Physics Calculations Review

A car goes from 0 m/s to 60 m/s in 3 seconds. What is the car's acceleration?

• 25 m/s

• 30 m/s

• 20 m/s2

• 30 m/s2

Pete is driving down 7th street. He drives 150 meters in 18 seconds. Assuming he does not speed up or slow down, what is his speed in meters per second?

• 8.3 m/s

• 8.3 m/s2

• 0.12 m/s

• 0.12 m/s2

A roller coaster is moving at 25 m/s at the bottom of a hill. Three seconds later it reaches the top of the hill moving at 10 m/s. What was the acceleration of the coaster?

• -5 m/s2

• -5 m/s

• 1.2 m/s

• 1.2 m/s2

A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.

• 100 m/s2

• 4 m/s2

• 0.25 m/s2

• 13 m/s2

Bobby accelerates from rest to 150 m/s in 10 seconds. If Bobby’s car weighs 1,444 kg, how much force

is exhibited by the racecar?

• 216,600 N

• 216,600 F

• 21,660 N

• 21,660 F

Natalie lifts a 15kg rock from the ground onto a 1.5 meter high wall. What is the amount of potential energy

she has just given the rock?

• 22.5 N

• 22.5 J

• 220.5 N

• 220.5 J

A car has a mass of 2,000 kg and is traveling at 28 meters per second. What is the car’s kinetic energy?

• 784,000 J

• 56,000 J

• 112,000 J

• 548,800 J

A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. What is the KE of the car?

• 22,400 J
• 44,800 J
• 896,000 J
• 1,792,000 J

What is the momentum of a 15kg girl moving at a speed of 1.3m/s?

• 16 kg*m/s

• 20 kg

• 20 m/s

• 20 kg*m/s

The force of gravity on Jupiter is a little more than 2 times the gravitational force on Earth. If an object has a mass of 50 kg and a weight of 490 N on Earth, what would be the object's approximate mass and weight on Jupiter?

• 50 kg and 490 N
• 100 kg and 490 N
• 50 kg and 980 N
• 100 kg and 980 N