Two people push a car for 3 s with a combined net force of 200 N. (AS)
(a) Calculate the impulse provided to the car.
(b) If the car has a mass of 1200 kg, what will be its change in velocity?
(Ans: (a) 600 N.S (b) 0.5 m/s)
plz..answer it with explanation
(a) Calculate the impulse provided to the car.
(b) If the car has a mass of 1200 kg, what will be its change in velocity?
(Ans: (a) 600 N.S (b) 0.5 m/s)
plz..answer it with explanation
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Answer:
a)Given conditions ⇒
Force acting = 200 N.
Time = 3 seconds.
Using the Formula,
Impulse = Force × Velocity
⇒ Impulse = 200 × 3
⇒ Impulse = 600 N-s.
Hence, the Impulse provided to the car is 600 N-s.
b)Impulse J= m ΔV
⇒ ΔV= J/m
⇒600 Ns/1200 kg
=0.5 m/s
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