Answer:
<h2>4 m/s</h2>Explanation:
The speed of the ball can be found by using the formula
p is the momentum
m is the mass
From the question we have
We have the final answer as
<h3>4 m/s</h3>Hope this helps you
2 Points
2 answers:
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Answer:
The work done by the campers is
(b) is correct option.
Explanation:
Given that,
Weight = 5000 N
Frictional force = 300 n
Distance = 1000 m
Constant rate of speed = 0.20 m/s²
We need to calculate the force
Using newton's law of motion
We need to calculate the work done
Using formula of work done
Put the value into the formula
Hence, The work done by the campers is