the answer is u÷7÷3=76
ke prop to v^2
ke1/v1^2=ke2/v2^2
400/50x50=joules/100x100
400x2x2
1600j
Answer:
0.75 m/s²
Explanation:
Newton's second law:
∑F = ma
3 N = (4 kg) a
a = 0.75 m/s²
Answer:8 meters
Explanation:100cm is a meter
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