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SORU BANKASI Filtrele

9.Sınıf Fizik / Enerji Soruları


Soru 1

Şekilde sürtünmesiz yatay yolda 4 kg kütleli cisim 20 N’luk kuvvetle 40 m çekiliyor. Kuvvetin yaptığı iş kaç J’dür (g=10m/s²)?
A) 500B) 700C) 750D) 800E) 850

Soru 2

Kadirhan yerden 1 m yükseklikte tuttuğu topu düşey doğrultuda 4 m/s hızla yukarıya doğru atıyor. Bu durumda topun yerden maksimum yüksekliği kaç m olur (g=10m/s², hava sürtünmesi önemsizdir.)?
A) 2,4 mB) 2,8 mC) 1,8 mD) 2 mE) 3 m

Soru 3

Aşağıdakilerden hangisi ya da hangileri enerji biçimi değildir?

I. ısı
II. ses
III. ışık
IV. elektrik
V. sıcaklık
A) Yalnız IB) Yalnız VC) I - IV
D) II - IIIE) II - IV

Soru 4

Makara 6 kg’ lık yükü bir dakikada 20 m yüksekliğe çıkarıyor. Bu makaranın gücü kaç W’tır?
A) 20B) 30C) 40D) 60E) 80

Soru 5

Aşağıda bazı kavramlar ile birimleri eşleştirilmiştir.

Bu eşleştirmelerden hangisi yanlıştır?
A) Sıcaklık – ºC B) İş – joule
C) Isı – cal D) Enerji – N.m
E) Güç – Newton

Soru 6

Aşağıdaki durumların hangisinde bilimsel anlamda iş yapılmamaktadır?
A)  B)
C)  D)
E)

Soru 7

Aşağıdakilerden hangisi enerjinin bulunabileceği değişik biçimlerden biri değildir?
A) Elektromanyetik radyasyon
B) Kuvvet
C) Çekim potansiyel enerjisi
D) Ses
E) Kütle

Soru 8

Bir yük asansörünün motoru 400 N ağırlığındaki kabini sabit hızla 500 cm yüksekliğe 10 s’de çıkarıyor. Buna göre asansörün motorunun gücü kaç W’dır?
A) 400B) 300C) 200D) 100E) 50

Soru 9

Aşağıdaki kişilerden hangisi yaptığı hareketi doğru olarak tanımlamıştır?
A)  B)
C)  D)
E)

Soru 10

I. Nükleer enerji
II. Hidrolik enerji
III. Hidrojen enerjisi
IV. Doğal gaz

Yukarıdaki enerji çeşitlerinden hangisi veya hangileri yenilenemez enerjidir?
A) Yalnız IB) Yalnız IIC) I ve IV
D) II ve IIIE) I, II ve IV

Soru 11

Aşağıdakilerden hangisi yenilenebilir enerji kaynaklarına örnek verilebilir?
A) Petrol B) Doğal gaz
C) Nükleer enerji D) Jeotermal enerji
E) Kömür

Soru 12

Sürtünmenin ihmal edildiği ortamda A noktasından serbest bırakılan sarkacın hareketi gözlenmektedir. Sarkaca bağlı cisim, numaralandırılmış oklarla belirlenen yönlerde hareketini sürdürdüğüne göre;

I. Cisim, 1 yönünde hareket ederken potansiyel enerjisi artar, kinetik enerjisiyse azalır.

II. Cisim, 2 yönünde hareket ederken kinetik enerjisi artar, potansiyel enerjisiyse azalır.

III. Cisim, 3 yönünde hareket ederken potansiyel enerjisi azalır, kinetik enerjisiyse artar.

IV. Cisim, 4 yönünde hareket ederken kinetik enerjisi azalır, potansiyel enerjisiyse artar.

Yukarıdaki yargılardan hangileri doğrudur?
A) I ve IVB) I ve IIIC) II ve IV
D) II ve IIIE) III ve IV

Soru 13

Şekilde K bloğuna, 30 N büyüklüğünde net kuvvet uygulanarak 10 m yükseğe kaldırılmıştır. Aynı blok 2. şekilde yatay doğrultuda 50 N büyüklüğünde net kuvvet ile 10 m çekilmiştir.

İki şekilde yapılan işlerin birbirlerine oranı (W1 / W2) nedir?
A) 1 / 5B) 3 / 5C) 1D) 4 / 3E) 5

Soru 14

Bir vinç 10 000 J’lik enerji harcayarak ağırlığının büyüklüğü 1000 N olan bir yükü, 5 m yükseğe kaldırmıştır. Vinç ile yapılan bu çalışmanın verimi kaçtır?
A) % 5B) % 10C) % 50D) % 80E) % 100

Soru 15

Güneş’ten Dünya’ya ulaşan enerji yaklaşık olarak saniyede 170 milyar MW’dir. Bu enerjinin % 30’u yansıma ve saçılmalarla uzaya geri giderken % 20’si hava kürede soğrulur. Bu enerjinin % 50’si yeryüzüne ulaşır. Bu enerji sayesinde buharlaşan sular, yağmur ve kar olarak yeryüzüne tatlı su şeklinde geri döner. Barajlarda toplanan yağmur ve kar suları çekim potansiyel enerjisi kazanır. Yüksekten bırakılan sular, kinetik enerji kazanarak türbinleri döndürür. Suyun çekim potansiyel enerjisi kinetik enerjiye dönüşür. Bu sayede barajlardan elektrik enerjisi üretilir.

Güneş ile Dünya arasındaki enerji alışverişini anlatan yukarıdaki paragrafa göre aşağıdaki sonuçlardan hangisi çıkartılamaz?
A) Yalıtılmış bir sistemde enerji korunur
B) Enerji, bir cisim veya sistemden bir diğerine aktarılabilir
C) Enerji, bir türden diğerine dönüşebilir
D) Enerji, değişik biçimlerde bulunabilir
E) Dünya’mızdaki en temel enerji kaynağı Güneş’tir

Soru 16

Kütlesi sıcak gazlardan oluşan Güneş’in merkezinde saniyede 564 milyon ton hidrojen, nükleer olaylar sonucunda 560 milyon ton helyuma dönüşür. 4 milyon tonluk kütle ise enerjiye dönüşür. Bu dönüşüm esnasında sıcaklık aşırı derecede artar ve Güneş’in çekirdeğinin sıcaklığı 15,6 milyon °C olur. Güneş’in yüzey sıcaklığı ise 5500 °C’tur. Yukarıda Güneş’te meydana gelen olayların anlatıldığı kısa bir paragraf verilmiştir.

Bu paragrafa göre aşağıdaki ifadelerden hangisi doğrudur?
A) Güneş’in ısısı 15 milyon °C’tur
B) Güneş’in kütlesi sürekli olarak enerjiye dönüşür
C) Güneş’in merkezinden yüzeyine doğru sıcaklık akışı olur
D) Güneş’in merkezi, yüzeyinden yaklaşık 30 000 kat daha sıcaktır
E) Güneş’in ısısı, Dünya’nın ısısından daha fazladır

Soru 17

Aşağıda verilen;

I. Rüzgar enerjisi
II. Güneş enerjisi
III. Dalga enerjisi
IV. Doğalgaz

enerji türlerinden hangileri yenilenebilir enerji kaynakları arasında yer alır?
A) I ve IIB) I ve IIIC) I ve IV
D) I, II ve IIIE) III ve IV

Soru 18

Günümüzde üretilen elektrikli ve elektronik makinelerin üzerine yapıştırılan enerji verimlilik etiketlerinde en verimli aletleri simgeleyen renk aşağıdakilerden hangisidir?
A) KırmızıB) TuruncuC) Sarı
D) SiyahE) Yeşil

Soru 19

Aşağıda verilen;

I. Hidroelektrik
II. Jeotermal
III. Biyokütle
IV. Doğal gaz

enerji türlerinden hangileri yenilenebilir enerji kaynakları arasında yer alır?
A) l ve llB) ll ve lllC) l, ll ve lll
D) l, ll ve lVE) l, ll, lll, lV

Soru 20

Barajlarda üretilen elektrik enerjisinin evimizdeki ütüyü çalıştırmasına kadar geçen süreç düşünüldüğünde;

l. Kinetik enerji
ll. Potansiyel enerji
lll. Elektrik enerjisi
lV. Isı enerjisi

verilen enerji türleri sırası aşağıdakilerden hangisinde doğru verilmiştir?
A) ll - l - lll - lV B) l - ll - lll - lV
C) lV - lll - ll - l D) ll - lV - l - lll
E) lll - l - ll - lV
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Houston Texans.com, Comcast SportsNet and SportsTalk 980 to provide reside coverage
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ARLINGTON, Va. – The Washington Richesse Draft Day Party and uniform unveiling on Friday, June 22, at the Kettler Richesse Iceplex in Arlington, Va., will function current and former Richesse players, free skating, involved games, a locker room trip, new merchandise on sale as well as – the evening’s highlight – an amazing show to reveal the team’ohydrates new red, white and blue uniforms.
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Free tickets for the event are “sold out,” but fans can watch the consistent unveiling live on WashingtonCaps.com as well as Comcast SportsNet, which will provide live interview from Kettler Capitals Iceplex during “Buenos aires Post Live” at 5 g.m. and live protection of the unveiling during “SportsNite” from 6:30 p.meters. Immediately following the unveiling SportsTalk 980 will broadcast a one-hour show coming from Kettler Capitals Iceplex, featuring reaction to the newest uniforms and coverage with the NHL Entry Draft as the very first round unfolds in Columbus, Kansas.
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Comcast SportsNet play-by-play announcer Joe Beninati will emcee the introduction and participate in a cell discussion during the show on SportsTalk 980. Bj Sorenson from Comcast SportsNet will also be a part of the section discussion.

Fans at Kettler Capitals Iceplex will likely be treated to a variety of routines, including:
Appearances and autograph sessions together with Capitals alumni Mike Gartner along with Rod Langway – both Hall regarding Famers – as well as Yvon Labre and Kelly Callier. Visits and autographs from skipper Chris Clark and teammates Ben Clymer, Brent Manley, Brian Pothier and Jeff Schultz. Free skate boarding on the public rink (fans are encouraged to bring their skates as rentals are limited). Merchandise stands offering the initial chance to own new-look Capitals items. Interactive games both inside Kettler Richesse Iceplex and outside on the parking deck. A tour of the Capitals’ new locker area and training area. Food and beverage stations catered by Arlington restaurants The Front Page and also Rock Bottom Brewery. The chance to watch stay coverage of the first rounded of the NHL Entry Draft about giant screens in both rinks in addition to 42-inch plasma televisions on the “Draft Central” mezzanine stage.
Gartner’s visit is the first public appearance in Buenos aires, D.C., by the Capitals’ second-leading job scorer since he retired with 1998. He and the some other current and former Capitals will sign autographs and/or skate on the public rink after the homogeneous unveiling.
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The new merchandise for sale at Kettler Capitals Iceplex will include a variety of hats, long- and short-sleeved T-shirts and golfing shirts – including items manufactured for children and female fans. Your Capitals will also begin accepting pre-orders for the new uniforms. A result of the production time required to create the new Reebok EDGE Uniform System for all 30 NHL teams, nothing of he new clothing, league-wide, will be available for purchase until Sept.
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Fans who purchase a uniform from the Capitals will receive any Caps travel mug remembering the unveiling of the fresh uniforms as a give along with purchase, while supplies past. Fans not attending the actual Draft Day Party as well as uniform unveiling can find numerous preordering jerseys from the Capitals about WashingtonCaps.com beginning on Saturday, June 23.
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Doors will open up for the event at Your five:30 p.m. Fans are asked to be in his or her seats or in front of a single of the many TV screens by 6:30 p.mirielle. with the uniform unveiling starting point at approximately 6:Forty p.m.

Event Schedule

5:30 delaware.m. - Doors Available to Public

Open Skate on Blue rink
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6:Thirty p.m. - All supporters with red tickets are required to be seated in Red-colored rink seating area.

Fans with blue lotto tickets are requested to gather around monitors

6:50 p.m. - Unveiling from the new uniform

7:00 p.michael. - Live NHL Entry Draft display begins

7:30 p.m. * Locker room tours

8:00 p.m. - Alumni and Gamer autograph sessions begin

9:00 p.m. - Alumni and Gamer autograph sessions end

10:00 p.m. - Draft day Party concludes
All Times Eastern
Houston, Va. ndash; The Houston Richesse will celebrate the NFLrsquo;utes Hockey is for Everyone thirty days at their game against the Atlanta Thrashers on Friday, Feb. Five. The game kicks off a month-long motivation designed to celebrate hockeyrsquo;s advancement and diversity.
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In keeping with the gamersquo;s theme of Hockey is for Everyone, youth players by Fort Dupontrsquo;s ldquo;Kids about Icerdquo; will form the Caps A flag Tunnel and the Ice Group will be from the Montgomery Youth Dance shoes Association Under-16 Girls. During the intermission there'll be a shootout featuring players through Special Hockey Houston together with members of the Houston IceDogs, NOVA Awesome Cats, Baltimore Saints and Montgomery Cheetahs taking part. Sitting in Greenrsquo;s Gang and Ovirsquo;s Crazy 8s will be children from the Fort Dupont Cannons.
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Continuing with Handbags is for Everyone month, upon Monday, Feb. 8 secretary coach Dean Evason, forwards Alex Ovechkin and Alexander Semin and also Slapshot will visit one of the Richesse adopted D.C. Open Schools ndash; Emery Education Campus inside Northeast Houston ndash; for a Lids Hockey School visit, where they will teach the students distinct drills and donate dance shoes equipment. That night Capitals forward Brooks Laich will pay a visit to Fort Dupontrsquo;s ldquo;Learn to Playrdquo; Kids Deshaun Watson Houston Texans Jerseys Uniform system and skate with youngsters and show them some dance shoes skills. The Capitals Youngsters Hockey Department and Laich may donate helmets, pucks and branches to the program after the program. On Friday, Feb. Twenty-six the Capitals will be visiting the other adopted D.Do. Public School ndash; King Elementary School in Southeast Oregon ndash; for the second February Limits Hockey School visit. As soon as the Caps lead students in a hockey clinic they will donate a set of street hockey products.
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Following the monthrsquo;s Hockey is perfect for Everyone theme the Capitals are partnering with the Junior Womenrsquo;s Hockey League to show the third annual 2010 JWHL Problem Cup which will be held Feb. 12-15 at Kettler Capitals Iceplex. The Freshman Womenrsquo;s Hockey League will be the premier developmental league regarding prospective female collegiate people in the US and Canada. The actual league includes teams coming from across North America including Alberta, B . c ., Ontario, Manitoba, Minnesota and Massachusetts. The leaguersquo;s local group is the Houston Pride away from Rockville, Md. The Championship sport will take place at 13 a.m. on Monday, Feb. 15, at Kettler Richesse Iceplex. Admission to the tournament is free of charge and the tournament schedule is available at www.jwhl.org.
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To complete Hockey is for Everyone thirty days the Houston Capitals are generally proud to support the local high school graduation hockey state championship video games for Maryland and The state of virginia. The Northern Virginia Scholastic American football League (NVSHL) and the Maryland Scholastic Hockey League (MSHL) will host the actual ldquo;Capitals Cuprdquo; state championship competition for high school hockey. The actual Maryland Championship game will need place on Saturday, Feb. Something like 20, at 7 p.mirielle. at The Gardens Ice Home in Laurel, Md. The The state of virginia championship game will take place on Friday, Feb. 26, from 7 p.m. from Kettler Capitals Iceplex in Houston, Va. More resources for the tournaments visit the nfl websites at www.nvshl.org and www.mshl.org.
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Hockey is designed for Everyone
Hockey is for Everyone month is an initiative that runs in the course of February and celebrates hockeyrsquo;ersus growth and diversity. Hockey is designed for Everyone provides support and different programming to nonprofit junior hockey organizations across The usa that are committed to offering kids of all backgrounds the opportunity to perform hockey. Since its inception, Hockey is for Everyone has exposed more than 45,000 kids to unique hockey encounters.