Midterm Quizizz

What is the formula for velocity?

• distance/time

• time/distance

• speed/time

• time/speed

What direction does friction act relative to motion?

• In the same direction

• in the opposite direction

• need more informtion

• it depends on the force

A bus travels 8 miles east, and then 6 miles west. What is its displacement?

(Hint: You can draw this on a number line to solve)

• 2

• 3

• 14

• -2

An object is launched horizontally from a cliff. The time it takes to hit the ground is

• more than if it was just dropped

• less than if it was just dropped

• the same amount of time as if it were just dropped

• impossible to determine

Which graph(s) represents a constant velocity?

• a and c

• c

• b and c

• b

What is unit of measurement for momentum

• m/s

• kg

• kg * m/s

• kg/m*s

What is the formula for acceleration

• t/(Vf-Vi)

• (Vf-Vi)/t

• (Vf - t)/Vi

• (Vi - t)/Vi

Which type of collision is the following: two objects collide and bounce off of each other

• elastic

• inelastic

Which type of collision is the following: two objects collide and continue as one

• elastic

• inelastic

What is the formula for the final momentum of a system?

• P1 + P2 = Pf

• Pf + P2 = P1

• P1 + Pf = P2

• Pf + P1 + P2 = P2