Cards in this guide (9)
A rock is dropped from a cliff and hits the ground 6.0 seconds later How high is the cliff
A hammer is dropped off a roof of an apartment building that is 80 meters high How long will it take to hit the ground
The hammer will take square-root(2x80/9.8)= 4.04 seconds to hit
the ground.
The distance is related to the time by s=v0t + 1/2 gt^2 where
vo, the initial velocity is=0.
The answer is 4.04 or rounded is 4 seconds.
A plane is uniformly accelerated from 60 ms to 80 ms in 12 seconds what is the distance traveled by the plane during this period
((60m/s+80m/s)/2)x12s=840m
A plane traveling at 80 ms lands on a runway and comes to rest after 10 seconds What was the plane's deceleration
An arrow is shot straight up at an initial velocity of 250 ms How long will it take the arrow to hit the ground
A ball is thrown horizontally from a cliff at a speed of 15 ms and strikes the ground 45 meters from the base of the cliff How high was the cliff rounded to the nearest meter
What does a force cause a mass to do
What force is needed to give a 2000 kg car an acceleration of 1.5 ms³
120 meters northeast vector or scalar
Vector, magnitude and direction.