An initially stationary object of mass m accelerates horizontally and uniformly to a speed vf during a time interval of length t. (Use any variable or symbol stated above as necessary.) (a) In this interval, how much work is done on the object by the force accelerating it? 1/2mv ²/1 W = (b) What is the instantaneous power due to that force at the end of the interval? P = X (c) What is the instantaneous power due to that force at the end of the first half of the interval? P =
An initially stationary object of mass m accelerates horizontally and uniformly to a speed vf during a time interval of length t. (Use any variable or symbol stated above as necessary.) (a) In this interval, how much work is done on the object by the force accelerating it? 1/2mv ²/1 W = (b) What is the instantaneous power due to that force at the end of the interval? P = X (c) What is the instantaneous power due to that force at the end of the first half of the interval? P =
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Transcribed Image Text:An initially stationary object of mass m accelerates horizontally and uniformly to a speed v, during a time interval of length
t. (Use any variable or symbol stated above as necessary.)
(a) In this interval, how much work is done on the object by the force accelerating it?
W =
(b) What is the instantaneous power due to that force at the end of the interval?
P =
/m²
2
P =
X
(c) What is the instantaneous power due to that force at the end of the first half of the interval?
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