General Physics Year Review

A rocket speeds up from 12 m/s to 70 m/s in 4 seconds and then from 70 m/s to 113.5 m/s in 3 seconds. What is the average acceleration of the rocket during these time intervals

• 14.5 m/s^2

• 25.375 m/s^2

• 33.833 m/s^2

• 10.875 m/s^2

A 12 kg rock is dropped from a cliff and falls for 5.6 seconds. What is the height of the cliff?

• 117.6 m

• 153.664 m

• 54.88 m

• 329.28 m

As a person dives into a pool, which of the following statements is most true?

• Their Kinetic Energy turns into Potential Energy

• Their Mechanical Energy Increases

• Their Potential Energy turns into Kinetic Energy

• Their Mechanical Energy Decreases

A 4 kg wagon is being pushed to have a velocity of 5 m/s. What is the kinetic energy of the wagon?

• 20 J

• 80 J

• 100 J

• 50 kg

A person sings a precise high note, causing a glass to shatter. What is the wave interference that causes this phenomena?

• Resonance

• Diffraction

• Refraction

• Reflection

A 0.15 kg baseball is caught and stopped after 0.06 seconds. If the baseball was moving at 50 m/s. What was the force exerted on the baseball by the catcher?

• 0.45 N

• 20 N

• 125 N

• 10.5 N

A basketball, a table, and a bulldozer are dropped from the same roof in a vacuum. Which object will land first?

• The Basketball

• The Table

• The Bulldozer

• Each object will hit the ground at the same time

A Voyager is launched from the Earth into space and moves further and further away. What happens to the force gravity between the objects as the Voyager continues on its journey?

• The Force of Gravity stays the same

• The Force of Gravity increases

• The Force of Gravity decreases

• The Force of Gravity increases and then decreases

What is the resultant Acceleration of the 6kg box shown in this image after being pushed with a force of 85 N to the East and 142 N to the West?

• 0 m/s^2

• 9.5 m/s^2

• 37.83 m/s^2

• 14.16 m/s^2

Given this Set of waves and the length of the Set. What is the wavelength of just One of these waves?

• 28 m

• 7 m

• 56 m

• 14 m