What is the mass of the cart with a constant net force of 200 N is exerted to accelerate from rest to a velocity of 40 m/s in 10s?
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Explanation:
Solution: Force, F= 500 N ; mass of the body, m= 1000 kg.
From newtons second law of motion,
F = ma, where F, m and a are the force , mass and acceleration respectively.
a=
m
F
=
1000
500
=0.5ms
−2
To find initial velocity , consider the equation of motion v
2
=u
2
+2 as
Since the body is retarding
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