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Answer:
In free fall, mass is not relevant and there's no air resistance, so the acceleration the object is experimenting will be equal to the gravity exerted. If the object is falling on our planet, the value of gravity is approximately 9.81ms2 .
Answer:
Change in Displacement
Explanation:
delta/triangle = change
x = displacement
formula (if needed): final x - initial x
Answer: work and energy are closely related to Newton's laws of motion. You shall see that the energy of an object is its capacity to do work and doing work is the process of transferring energy from one object or form to another by means of a force.
Below is the solution:
angle = 25 deg
<span>m = 75kg </span>
<span>a = 3.6m/s/s </span>
<span>F[x] = 75(9.8) sin(25) = 310.62N </span>
<span>f[y] = 75(9.8) cos(25) = 666.1N </span>
<span>f=ma </span>
<span>310.62 - 666.1u = 75(3.6) </span>
<span>666.1u = 310.62 -270= 40.62 </span>
<span>u = 0.061 </span>
<span>175(9.8) sin(25) - 175(9.8)(0.061)cos(25) = 175a </span>
<span>175a = 724.79 -95.587= 629.203 </span>
<span>a = 3.595 m/s/s</span>
