Sorin hits a cricket ball straight up into the air. After 1.5 s, the ball is falling straight down with a speed of m
6.5 -. We want to find the initial vertical velocity of the ball. We can ignore air resistance.
S

A900 kg roller coaster car is travelling westward on the track and begins to slow down from 18m/s to 2m/s. how long does it take the roller coaster car to decelerate if the force acting on the car to slow it is 7024n? how far does the roller coaster travel during this time?

What are segments of dna that code for a particular trait. a combination of dna and proteins make up what

Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]