What is the acceleration of the car that changes its velocity from 30 m/s to a dead stop in 10seconds? Select one:
a. 20 m/s
b.-3 m/s
c. 3 m/s
d. -20 m/s

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Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.