angeladahlgren2701 angeladahlgren2701

19-12-2022
Physics

Answered

A block of mass M is sliding with an initial speed v along a horizontal surface with negligible friction. A constant force of magnitude F is exerted on the object at an upward angle of 60 degrees from the horizontal, causing the object to speed up. If the block remains in contact with the floor, what is the change in the block's kinetic energy as it moves a horizontal displacement, d?

a) 1/2fd
b) Fd
c) Fd/m
d) 2Fd

Answer :

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