(numbers 6-8) A 3 kg block is initially sliding up a 30° incline at 5 m/s. It slides 2 m along the surface before coming to rest. 6. How much work did gravity do on the block during this segment of motion? a) -20 J b) -30 J c) -40 J d) -60 J e) more information is needed to determine 7. How much work did kinetic friction do on the block during this segment of motion? a) -2.5 J b) -5 J c) -7.5 J d) -10 J e) more information is needed to determine 8. Which force has a magnitude a) gravity b) normal c) kinetic friction d) none of the above e) more than one of the above Newtons while the block is sliding? h
(numbers 6-8) A 3 kg block is initially sliding up a 30° incline at 5 m/s. It slides 2 m along the surface before coming to rest. 6. How much work did gravity do on the block during this segment of motion? a) -20 J b) -30 J c) -40 J d) -60 J e) more information is needed to determine 7. How much work did kinetic friction do on the block during this segment of motion? a) -2.5 J b) -5 J c) -7.5 J d) -10 J e) more information is needed to determine 8. Which force has a magnitude a) gravity b) normal c) kinetic friction d) none of the above e) more than one of the above Newtons while the block is sliding? h
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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6, 7, & 8. Please help answer these questions, im extremely stuck thank you so much!!
Transcribed Image Text:(numbers 6-8) A 3 kg block is initially sliding up a 30° incline at 5 m/s. It slides 2 m along the surface before
coming to rest.
6. How much work did gravity do on the block during this segment of motion?
a) -20 J
b) -30 J
c) -40 J
d) -60 J
e) more information is needed to determine
7. How much work did kinetic friction do on the block during this segment of motion?
a) -2.5 J
b) -5 J
c) -7.5 J
d) -10 J
e) more information is needed to determine
8. Which force has a magnitude
a) gravity
b) normal
c) kinetic friction
d) none of the above
e) more than one of the above
Newtons while the block is sliding?
h
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