4. Increasing the mass of this freight train will
1 answer:
Answer: #1. increase. #2. decrease #3. speed.
Explanation:
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Explanation:
increase the distance of cube from black and dull substance
F=ma
a=F/m
a=2000/1000
a=2 m/s^2
The duck at 12m/s has a greater speed than the heron which travels at 10m/s
