Physics End of Year Review

Which of the following are vectors? (Have both magnitude and direction) Choose all correct answers

• Velocity

• Speed

• Acceleration

• Distance

Which of the following is the correct unit for Force?

• Amps

• Meters per second squared

• Newtons

• Kilograms

Which of the following is equivalent to a Watt of Power?

• Joules

• Joules per second

• Kilowatt hours

• Kilogram meter per second squared

In an experiment where you are measuring distance travelled by a car at various speeds during a ten second interval, which of the variables is the dependent variable?

• Speed of the car

• Time of travel

• Distance travelled

• Acceleration of the car

A rider riding a Disney Bus starts running towards the back of the bus at 3 m/s, while the bus is in motion driving at a speed of 15 m/s. What is the rider’s relative velocity to a person outside the bus? (Give both direction and magnitude)

• 18 m/s

• 15 m/s

• 12 m/s

• 9 m/s

A man sees a bear and starts running from rest. He’s accelerating at a rate of 2 m/s² and his car is 30 m away. a. How long will it take him to get there?

• 2.5 s

• 3.5 s

• 4.5 s

• 5.5 s

• 15 s

An object is thrown vertically; at its highest point what will its velocity and acceleration be?

• v = 0 m/s; a=-10 m/s²

• v = 10 m/s; a=-10 m/s²

• v = -10 m/s; a=-10 m/s²

• v = -10 m/s; a=0 m/s²

How fast would you have to throw a ball vertically for it to reach a height of 40 m?

• 40 m/s

• 33 m/s

• 28 m/s

• 20 m/s

If a stone skipping champion is on top of a cliff near a lake and throws a stone at a velocity of 15m/s from a height of 20 m. How far away from the base of the cliff will the stone hit the water the first time?

• 60 m

• 50 m

• 40 m

• 30 m

. In the following table two objects displacements over time are shown. Determine the velocity of both objects when 4 seconds have passed.

• v₁= 4 m/s; v₂=3 m/s

• v₁= 2.5 m/s; v₂=1.5 m/s

• v₁= 40 m/s; v₂=24 m/s

• v₁= 2 m/s; v₂=1.2 m/s