Question

5) A skater accelerates down a ramp at a rate of 1.4 meters per second. It takes the skater 3.2 seconds to reach the bottom of the ramp, at which time she has a speed of 6.5 meters per second Calculate the skater's starting speed.​

Answer 1

Answer:

Initial velocity = 2.02 m/s

Explanation:

acceleration a = 1.4 m/s^2

time taken = 3.2 s

final speed v= 6.5 m/s

v= u +at

6.5 = u +1.4x3.2

u = 6.5-4.48 =2.02 m/s

Answer 2

Explanation:

takes the skater 3.2 seconds to reach the bottom of the ramp, at which time she has a speed of 6.5 meters per second ...