A car is moving with uniform velocity of 60 m/s. It is stopped in 3 sec by applying a force of 2580 N through its brakes. Calculate the mass of the car, A) 125 N B) 43 N C) 51600 N D) 129 N
Answers
Answered by
1
Answer:
Explanation:
u=60m/s
v=0m/s
f=2580N
t=3
f=ma
2580=m*(0-60/3)
m=2580/-20
m=129 N
Answered by
0
Answer:
u = 60m/s
v = 0 m/s
t = 3 sec
F = 2580
A to Q
the brake is applied so the acceleration will be negative
F = ma
a = -F/m
v - u = at
0 - 60 = - 2580/m
m = 2580/60
m = 43 Kg.
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