Answer:
115911.09915 J
Unchanged
Decreased
Explanation:
m = Mass of motorcycle = 180 kg
v = Velocity of motorcycle = 9 m/s
F = Force = 400 N
s = Displacement = 300 m
= Angle above the horizontal = 15°
Work done is given by
The work done is 115911.09915 J
It can be seen that the force applied is constant so it does not matter if the speed of the motorcycle changes.
Tension on the rope would be
Work done
So, the work done would be reduced.
Answer:
Acceleration does not affect mass. Acceleration only affects weight.
Explanation:
Your mass is the same on Earth compared to on the moon, but your weight is going to be different because the acceleration due to gravity is going to be different.
Answer:
Está incompleto, falta más
Answer:
The correct answer is - B. Increase the time it takes to stop the egg once it hits his hand.
Explanation:
In order to catch the egg the force and time makes an impulse to the egg to change its momentum and bring it to rest. In order to change the momentum, one needs to decrease the force exerted onto the egg and increase the time it takes to make it rest.
Less force can be given to the egg by increasing the time to bring it to rest stop the egg once it hits his hand. Other than this it should be caught to the sides.
