General Science Review 3.1: Question Preview (ID: 11957)


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__________ is the transfer of energy
a) work b) power c) kinetic energy d) potential energy
_________ is the rate of energy transferred
a) work b) power c) kinetic enery d) potential energy
What 2 things are measured in Joules?
a) work and power b) work and energy c) energy and power d) none of the choices
One biker (A) going 5 m/s and another biker (B) going 4 m/s reach the top of a hill. Which of the following statements is true?
a) biker A does more work than biker B b) biker B does more work than biker A c) both bikers do the same amount of work d) both bikers have the same amount of power
Kinetic energy increases when_______ and ________ increase
a) mass; volume b) mass; velocity c) weight; volume d) weight; velocity
What is the equation for calculating kinetic energy
a) 1/2 x mass x volume^2 b) 1/2 x mass x velocity^2 c) 1/2 x velocity x mass^2 d) 1/2 x volume x mass^2
Gravitational potential energy depends on _________ while elastic potential energy depends on _________
a) height; stretching b) height; compressing c) weight; compressing d) all of the choices
What is the gravitational potential energy of someone who weighs 80 N and is 5 m above ground
a) 400 Joules b) 40 Joules c) 16 Joules d) 160 Joules
__________ increases elastic potential energy while __________ decreases it
a) stretching; compressing b) compressing; stretching c) weighing more; weighing less d) weighing less; weighing more
What is the kinetic energy of an object with a mass of 6 kg and a velocity of 3 m/s?
a) 18 Joules b) 9 Joules c) 27 Joules d) 54 Joules
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