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Sav [38]
3 years ago
8

5) A 5 kg watermelon is raised 3 m by carrying it up the stairs to the second

Physics
1 answer:
Nutka1998 [239]3 years ago
3 0

Answer: 150J

Explanation:

m = 5 kg

g = 10 m/s2

h = 3m

P.E = mgh

P.E = 5 x 10 x 3

P.E = 150J

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Answer:

Hey Friend....

Explanation:

This is ur answer....

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5 0
2 years ago
a child hits a ball with a force of 350 N. (a) If the ball and bat are in contact for 0.12 is, what impulse does the ball receiv
Lina20 [59]

Explanation:

Given that,

Force with which a child hits a ball is 350 N

Time of contact is 0.12 s

We need to find the impulse received by the ball. The impulse delivered is given by :

J=F\times t\\\\J=350\times 0.12\\\\J=42\ N-m

So, the impulse is 42 N-m..

We know that he change in momentum is also equal to the impulse delivered.

So, impulse = 42 N-m and change in momentum =42 N-m.

7 0
3 years ago
The type of friction between the pavement and the tires on a moving vehicle is called.._____friction.
FinnZ [79.3K]

Answer:

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Kinetic friction is friction caused by motion. Kinetic energy is energy in motion.

5 0
3 years ago
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