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7nadin3 [17]
2 years ago
5

1. As a person stands on earth they put a force on the ground and the ground puts a force on them.

Physics
1 answer:
Scorpion4ik [409]2 years ago
8 0

Answer:

mb

Explanation:

m b

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5) A 5 kg watermelon is raised 3 m by carrying it up the stairs to the second
Nutka1998 [239]

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

3 0
3 years ago
This should be pretty easy i think.
timama [110]

Answer:

its a sure for not but i think its a 192583

3 0
2 years ago
The energy stored in a wooden log transforms when the log is burned. Which of the following explanations BEST describes how the
Makovka662 [10]

Answer:

D. the amount of chemical energy equals the amount of heat and light energy.

Explanation:

Given that the first law of thermodynamics affirmed that energy is neither created nor destroyed however, it can be transformed from one form to another. In other words, while, during the transformation of energy, no energy is lost, the input energy is also equal to output energy.

Hence, the chemical energy stored in the log is EQUAL to the heat and light energy produced by burning.

5 0
3 years ago
two ice skaters push each other, and move in opposite directions. the mass of one is 75 kg, and his speed is 2 m/s. if the mass
sattari [20]

momentum conservation

75x2 = 30 x her speed

75x2/30=150/30=5m/s

7 0
4 years ago
Which statement best describes the common features of sound waves and light waves
Viktor [21]
Sound waves or bounces off the wall and light waves are waves of light
7 0
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