Displacement is (select all that apply)

A shopping cart given an initial velocity of 2.0 m/s undergoes a constant acceleration of 3.0 m/s². What is the magnitude of the cart's displacement after the first 4.0 s of its motion?

A curious kitten pushes a ball of yarn at rest with its nose displacing the ball of yarn 15.4 cm in 3.00 s. What is the acceleration of the ball of yarn?

A rock is thrown straight upward with an initial velocity of 24.5 m/s where the downward acceleration due to gravity is -9.81 m/s². What is the rock’s displacement after 1.00 s?

Human reaction time is usually about 0.20 s. If your lab partner holds a ruler between your finger and thumb and releases it without warning, how far can you expect the ruler to fall before you catch it?

A runner moves 40 m to the right and then 10 m to the left. What is the runner’s displacement after the two moves?

What is the standard SI unit for acceleration?

What is the standard SI unit for distance?

select all of the properties that are scalars

Select all of the properties that are vectors

a vector is a quantity with

In one-dimensional motion, the average speed of an object that moves from one place to another and then back to its original place has which of the following properties?

A cheetah can run at approximately 100 km/hr and a gazelle at 80.0 km/hr. If both animals are running at full speed, with the gazelle 70.0 m ahead, how long before the cheetah catches its prey?

An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 10.0 s. What distance does the car travel?

A rock, released at rest from the top of a tower, hits the ground after 1.5 s. What is the speed of the rock as it hits the ground? (g = 9.8 m/s² and air resistance is negligible)

A trucker drives with an average velocity of 27 m/s towards the east on a perfectly straight highway. What will the trucker's displacement be after 2 minutes?