vehicles equipped with disc brakes incorporate a mechanically operated drum-style parking brake in the center of the rear disc b
1 answer:
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Answer:
The correct option is a
Explanation:
From the question we are told that
The mass of the block is
The height of the vertical drop is
Generally from the law of energy conservation , the potential energy at the top of the slide is equal to the kinetic energy at the point after sliding this can be mathematically represented as
i.e
=>
=>
=>
Answer:
p=1
Explanation:
Well me know that v=m/s
and that a=m/s^2
so
Note: We don't take into account 2 because it's a scalar, it doesn't have units so it doesn't add anything to the equation.