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- Q1
A ball is sitting at the top of a ramp. As the ball rolls down the ramp, the potential energy of the ball decreases. What happens to the potential energy as the ball moves?
It is lost as gravitational energy
It is destroyed as the ball moves.
It is converted to kinetic energy
It is used to make the ball slow down.
30sMS-PS3-2 - Q2
A toy robot can walk and talk and runs on batteries. Which type of energy is stored in the batteries?
chemical
electrical
nuclear
mechanical
30sMS-PS3-2 - Q3
How is mechanical energy calculated?
by dividing potential energy by kinetic energy
by adding potential energy and kinetic energy
by multiplying potential energy and kinetic energy
by subtracting potential energy from kinetic energy
30sMS-PS3-2 - Q4
Which of these statements is an example of energy transfer?
a plant using sunlight to produce glucose
a child rubbing her hands together to warm them
an open flame heating a pan of water
turning on a flashlight to produce a beam of light
30sMS-PS3-2 - Q5
Describe how energy is different from work
Users enter free textType an Answer30sMS-PS3-2 - Q6
A book is on a shelf 3.0 meters off the ground. Kinetic energy is found using the formula1/2 × mass × speed. Potential energy is found by taking mass × g × height, with g as the constant,9.8 m/s2. What is needed to determine the book’s mechanical energy as it sits on the shelf?
Users enter free textType an Answer30sMS-PS3-2