When the velocity of an object increases the acceleration is _ _ _ _. *
Negative
Positive
Zero
Positive and Negative
Answers
Answered by
3
Answer:
10 m s-2) (Ans. 1.2 * 106 J, 2.4 x 1053)
at the base of the mountain is taken as zero.
(Take g = 10 m s-2) (Ans. 1.2 * 106 J, 2.4 x 1053)
A Sherpa of mass 80 kg is instructed to carry a package
of mass 20 kg from the base camp to the summit of a
mountain 1200 m high. (i) How much work the Sherpa
has to do against gravity? (ii) Also, find the change in
potential energy of the package if the potential energy
at the base of the mountain is taken as zero.
(Take g = 10 m s-2) (Ans. 1.2 * 106 J, and prevent sending or
Answered by
0
Answer:
acceleration is positive
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