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almond37 [142]
2 years ago
8

1

Physics
1 answer:
jekas [21]2 years ago
5 0

Answer:

it's rock

Explanation:

hope it's help you

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Gravity pulls downward on a rock with a force of 800 N. If you pull upward on the rock with a force of 400 N, what is the total
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The answer is
a. 400 N downward
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3 years ago
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Why are renewable sources of energy better than nonrenewable sources?
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A stone weighing 0.7 kilograms rolls down the inclined plane from position B to position A. Position A is located at sea level.
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2 years ago
If you sleep 33% in a day, how many hours is that?
lesantik [10]

In this question, one has to carefully understand that the total number of hours in the day can never be more that 24 hours. based on this important fact the answer to the question can be very easily deduced. The only requirement is calculating perfectly.
Number of hours in a day = 24 hours
Percentage of hours of sleep in a day = 33%
Amount of sleep in the day = (33/100) * 24
                                             = 7.92 hours
So 33% of sleep in a day is equal to 7.92 hours. I hope this answer has helped you. In future you can keep the procedure in mind for solving such problems.
5 0
3 years ago
You leave the doctor's office after your annual checkup and recall that you weighed 689 N in her office. You then get into an el
son4ous [18]

Answer: 0.455 m/s^2

Explanation:

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m = 78.3

now on the elevator

f = 721 = m x a

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the elevator is moving down because there is a increase in weight. the acceleration of elevator = 10.26-9.8 = 0.455

8 0
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