Answer:
a = 1.25m/s^2
Explanation:
Force = mass x acceleration
Given mass M = 48kg and
Force F = 60N
60 = 48 x a
Divide both sides by 48
60/48 = 48 x a/48
1.25 = a
a = 1.25m/s^2
Answer:
From C to D, kinetic energy is transformed into
gravitational potential energy.
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Answer:

Explanation:
From the question we are told that
Volume V
Contains N particles
Leaks from a small hole of area A
Generally the equation for Flow rate is given as
Volume Flow Rate 
Mathematically we find the time taken to flow half way which is given by

Therefore the time taken is
