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  3. 2. a 2kg puck is located at position (5???? 2???)m

2. A 2kg puck is located at position (5???? 2???)m with velocity (?7???? ???)m/s at time...

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Physics

2. A 2kg puck is located at position (5???? 2???)m with velocity(?7???? ???)m/s at time t=0s. I apply a
constant force of magnitude 10N in the direction (?4???+ 2???) for10 seconds. At time t=10s, the
puck is at position (????+ 10???)m with a velocity of 5m/s in thedirection (???+ ???).
a. How much work did I do on the puck?
b. How much work is done on the puck total?
c. What is the average power input to the puck from allsources?

Answer & Explanation Solved by verified expert
3.8 Ratings (583 Votes)
Force 10 4i 2j sqrt 42 22 894427 i 44721359 j acceleration Forcemass 894427 i 44721359 j 2 4472135 i 2236067 j so displacement 7 10 05 4472135 102 i 110 05    See Answer
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