Free fall questions

An helicopter acceleration down a runway at 3.20m/s until is finally lifts off the ground. Determine the distance traveled before takeoff.

• 1721.34m

• 156.98m

• 1987.09m

• 1235.01m

Tags

NGSS.HS-PS2-1

A truck starts from rest and acceleration uniformly over a time of 5.21 seconds for a distance of 110m. Determine the acceleration of the car.

• 14.98

• 54.43

• 13.57

• 32.55

Tags

NGSS.HS-PS2-1

A train acceleration uniformly from 18.5m/s to 46.1 m/s in 2.47 seconds. Determine the acceleration of the car

• 7.98m

• 12.98m

• 43.98m

• 11.17m

Tags

NGSS.HS-PS2-1

What is free fall

• Any objects regarding of mass it will fall at the same rate

• Acceleration = -9.81m/s^2

• Has both horizontal and vertical motion

• Only has vertical motion

How many equation are there to use for freefall ?

• 5

• 8

• 1

• None

Tags

NGSS.HS-PS2-4

find the displacement from t=0 to t=3

• -44.1m

• 56.9m

• 32.9m

• -54.8m

Kevin drops a pile of shingles from the top of the roof located 8.52m above the ground . Determine the time for the shingles to hit the ground ?

• 33.8s

• 65.9s

• 1.32s

• 4.98s

Tags

NGSS.HS-PS2-4

Cody is riding the Giant Drop at Great America. The ride drops him and he free falls for 2.6s . How far will he fall?

• 54.87m

• -33,124m

• 776.98m

• -45.876m

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Is Horizontal motion only on the x-axis

• False

• True

How many variables are used for freefall ?

• 8

• 9

• 1

• 5