Q. A block of ice with mass 4.00 kg is initially at rest on a frictionless, horizontal surface. A worker then applies a vertical force F to it. As a result, the block moves along the x-axis such that its position as a function of time is given by x(t) = at2 + Bt3, where a = 0.2 m/s? and ß = 0.02 m/s³. Calculate the work done by the force during the first 4.00 s of the motion? А. 15 J В. О С. 2J D. 3J Е. 10 J
Q. A block of ice with mass 4.00 kg is initially at rest on a frictionless, horizontal surface. A worker then applies a vertical force F to it. As a result, the block moves along the x-axis such that its position as a function of time is given by x(t) = at2 + Bt3, where a = 0.2 m/s? and ß = 0.02 m/s³. Calculate the work done by the force during the first 4.00 s of the motion? А. 15 J В. О С. 2J D. 3J Е. 10 J
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Transcribed Image Text:Q. A block of ice with mass 4.00 kg is initially at rest on a frictionless, horizontal surface. A
worker then applies a vertical force F to it. As a result, the block moves along the
x-axis such that its position as a function of time is given by x(t) = at? + Bt³, where a =
0.2 m/s2 and B = 0.02 m/s³. Calculate the work done by the force during the first 4.00 s
of the motion?
A. 15 J
В. О
С. 2 J
D. 3J
Е. 10 J
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