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garri49 [273]
3 years ago
8

Come play among us with me the code is MTZTFF

Physics
2 answers:
djverab [1.8K]3 years ago
7 0

Answer:

GG

Explanation:

SVETLANKA909090 [29]3 years ago
6 0
I’m coming hold onnnnnnn
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Suppose you throw a baseball downward from a roof so that it initially has 120 J of gravitational potential energy, and 10 J of
Volgvan

Answer:

B.

It will be greater than 10 J.

Explanation:

The total mechanical energy of an object is the sum of its potential energy (PE) and its kinetic energy (KE):

E = PE + KE

According to the law of conservation of energy, when there are no frictional forces on an object, its mechanical energy is conserved.

The potential energy PE is the energy due to the position of the object: the highest the object above the ground, the highest its PE.

The kinetic energy KE is the energy due to the motion of the object: the highest its speed, the largest its KE.

Here at the beginning, when it is at the top of the roof, the baseball has:

PE = 120 J

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So the total energy is

E = 120 + 10 = 130 J

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