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mixer [17]
3 years ago
13

True or False? Energy is matter. 1. False 2. True

Physics
1 answer:
andriy [413]3 years ago
7 0

Answer:

False because it has no mass.

Explanation:

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1. 1500j of work was done to move a box 20m. What force was applied to the box ?
Fantom [35]

Answer:

1. 75N

2. 67,983 J (=67.98 kJ)

Explanation:

1. Work = Force x Distance

we are given that Work = 1,500J and Distance = 20m

hence,

Work = Force x Distance

1,500 = Force x 20

Force = 1,500 ÷ 20 = 75N

2. Potential Energy, PE = mass x gravity x change in height

we are given that mass = 165 kg and change in height = 42m

assuming that gravity, g = 9.81 m/s²

Potential Energy, PE = mass x gravity x change in height

Potential Energy, PE = 165 x 9.81 x 42 = 67,983 J (=67.98 kJ)

4 0
3 years ago
HELPPpPpPpPpPp!!!! ASAP !!!
DENIUS [597]

Answer:

50 N

Explanation:

8 0
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Fiesta28 [93]

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7 0
3 years ago
2 pts
const2013 [10]

Answer:

I think the answer 1

Explanation:

im probably wrong too i dont know

5 0
3 years ago
What is the form of energy that batteries store energy as
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::Answer::

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