A Smart Car, which has a mass of 1000 kg, is going 20 m/s. When it hits the barrier, it stops with a time of 0.5 seconds. What i
s the impulse on the car?
1 answer:
Answer:
need points sorry god bless
Explanation:
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Answer:
120 J
Explanation:
KE = mv²/2 = (0.15 kg * [40 m/s]²)/2 = 120 J
Answer:
mercury
Explanation:
Answer:
it's false coz
Speed is a scalar quantity.
