Question

15. (N) 23). A 5 kg object that moves along the x-axis is acted upon by a net force that varies with position as shown in the

28). At a certain moment, an object of mass 2 kg is moving with a velocity - 1+2j m/s. 3 seconds later, the objects velocity

/s m 50 30). A baseball approaches home plate at a speed of 40.0 m/s, moving horizontally in the x-direction just before bein

5 kg ty v = Tv-10 í m/s 31). A chunk of putty of mass 3 kg traveling in the +ve y- direction at 8 m/s collides and sticks to

The answers are 23 (D), 28 (A), 30 (A), and 31 (D). Please show the step by step solution. I need to understand HOW to do these problems so please only answer if you can help.

Thank you in advance!

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Answer #1

2 2 . cho work done = change in kinetic Energy (+2x25) + (Y2x2x25) - ( + XIX is)-(s) Area of tx graph - KF- 225 echange in KE

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The answers are 23 (D), 28 (A), 30 (A), and 31 (D). Please show the step...
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