A car of mass 1000 kg moving with a velocity of 36km/h comes to rest in 5 seconds . What is the acceleration produced by the car ? Also calculate the force exerted by the car.
A) 5 m/s², 2000 N
B) -5 m/s², -2000
C) Both A & B
D) None of the above
Answers
Answered by
1
Answer:
c
Explanation:
v=10. u=0
a=v-u/2
10/2=5
f = ma
Answered by
1
Answer:
a = -2m/s^2 & F = -2000N
Explanation:
Given : mass = 1000kg
initial velocity = 36km/h = 10m/s
final velocity = om/s
time taken to come to rest = 5s
Now , we know that
a = v-u/t
so , a = 0 - 10 / 5
therefore , a = -2m/s
now we have to calculate force
So , F = ma
using this formula we get
F = 1000 x ( -2m/s)
F = -2000 N
Hence , a = -2m/s^2 & F = -2000 N
Similar questions