Question

Sand drops from a stationary hopper at the rate of 5 kes onto a conveyor belt moving with a
constant speed of 2 m/s! What is the force required to keep the belt moving and what is the power
delivered by the motor moving the belt? (Impulse J=Ft=mv)
10
a) 10 N, 20 W b) 20 N, 10 W
c) 10 N, 10 W d) 20 N, 20 W
I want with solution ​

Answer 1

Answer:

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