Physics Review - Kinematics

Sarah drives 20 kilometers east to the store and then 55 kilometers back west to visit her grandmother. What was her displacement in meters?

• -35 km

• 35 km

• -75 km

• • - 55 km

• 20 km

A tiger travels 50 meters north, 35 meters east, and then 10 more meters north. What is the tigers displacement?

• 61.5 meters

• 69.5 meters

• 68.5 meters

• 62.5 meters

• 65.5 meters

A cat walks 50 meters south, 20 meters west, and then another 15 meters north before coming to a stop. What was the cat's displacement?

• 47.13 meters

• 42.31 meters

• 45.13 meters

• 40.31 meters

• 39.31 meters

An ostrich runs 204 meters in 12 seconds. What was the ostrich's velocity?

• 16 m/s

• 18 m/s

• 16.9 m/s

• 17.1 m/s

• 17 m/s

If a car maintains a velocity of 15 m/s for 60 seconds, then how far did the car travel?

• 300 meters

• 4 meters

• 900 meters

• 0.25 meters

If a velociraptor maintains a velocity of 12.5 m/s for a total distance of 750 meters then how long did it take to cover said distance?

• 60 seconds

• 65 seconds

• 55 seconds

• 9,375 seconds

• 9,500 seconds

A crocodile swims across a rive that is flowing eastward with a velocity of 5.75 m/s, and the crocodile is swimming in a northern direction with a velocity of 8 m/s as is stalks a water buffalo calf. What would be the overall velocity experienced by the croc?

• 46 m/s

• 9.85 m/s

• 13.75 m/s

• 1.4 m/s

Two cars are 5,000 meters apart. The first car is moving in a northern direction with a velocity of 15 m/s and the second car is moving in southern direction with a velocity of 12 m/s. Use the relative velocity to find the amount of time it would take for the two cars to pass each other.

• 185.19 seconds

• 166.89 seconds

• 176.51 seconds

• 185.25 seconds

A boat travels upstream (north) with a velocity 10 m/s while the river flows north with a velocity of 8 m/s. What would be the total velocity experienced by the boat?

• 80 m/s

• 2 m/s

• 18 m/s

• 9 m/s

What would be your trajectory angle if you have a projectile velocity of 14 m/s and a y velocity of 8 m/s?

• 55.15 degrees

• 34.58 degrees

• 0.09 degrees

• 34.85 degrees

• 29.74 degrees