physics

A body accelerate from rest at (2m/s square) calculate its velocity after travelling 9m

1. 👍 0
2. 👎 0
3. 👁 325
1. A=2m/s,s=9m,v?,vsquare=usquare +2as, vsquare=2as,vsquare=2 multiply by 2 multiply by 9=36,vsquare=square root of 36, vsquare=6m/s square

1. 👍 0
2. 👎 0
2. V^2 = Vo^2 + 2a*d = 0 + 2*2*9 = 36
V = 6 m/s

1. 👍 0
2. 👎 0

1. 👍 0
2. 👎 0

Similar Questions

1. physics

A bus moves from rest with a uniform acceleration of 2m/s(square) for the first 10s. It then accelerate at a uniform rate of 1m/s(square) for another 15s, it continues at constant speed for 70s and finally comes to rest in 20s by

asked by Uloma on August 7, 2018
2. PHYSIC

A body accelerate uniformly from rest at 2ms-2 .calculate it,s velocity after travelling 9m

asked by DAVID on October 17, 2018
3. Physics

A body accelerates uniformly from rest at 2m/s².calculate its velocity after travelling 9m

asked by Lois on July 9, 2019
4. Physics

A body starts from rest and accelerates to a velocity of 5m/s in 20s. It then maintains this velocity for 10s and then decelerates to rest in further 10s. (a) Draw a velocity – time graph of the motion (b) Calculate the initial

asked by Mary on October 27, 2015
5. Science

A bullet travelling with velocity 60m/s penerates a trunk and comes to rest covering 0.5m. calculate the time taken during the retardation

asked by Divyank on June 19, 2018
1. physics

a body travelling along a straight line travels one half of the total distance with the velocity V0.The remaining part of the distance was covered with the velocity of V1 for half of the time and with velocity V2 for other half of

asked by samarth on May 22, 2015
2. physics (science)

A body travels from rest with acceleration 8m/s square . Find its velocity when it has covered a distance of 100m

asked by Emmanuella on December 19, 2016
3. Physics

Air resistance acting on a falling body can be taken into account by the approximate relation for the acceleration: a= dv/dt = g - kv, where k is a constant. (a) Derive a formula for the velocity of the body as a function of time

asked by Rose on September 26, 2013
4. science

determine the velocity of the truck if it starts from rest and accelerate at 2m/s² in 3.2s

asked by jeff on November 16, 2016
5. Science

A body that uniformly retarded comes to rest in 5.0s after travelling a distance of 10.0m. Calculate the retardation and initial velocity

asked by Mustapha on May 21, 2017