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damaskus [11]
3 years ago
10

a 70 kg desk sits on the floor motionless If gravity is pulling it with an acceleration of 9.8 m/s/s how much force is gravity e

xercising on the desk
Physics
1 answer:
adell [148]3 years ago
3 0

Since force is mass*acceleration,

F = 70kg * 9.8 m/s

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DESCRIBE floods and droughts. What are their effects? EXPLAIN how they can be prevented
BabaBlast [244]

Answer:

<u>EFFECTS: ( doughts)</u>

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<u>EFFECTS:( FLOODS)</u>

  1. The immediate impacts of flooding include loss of human life, damage to property, destruction of crops, loss of livestock, and deterioration of health conditions owing to waterborne diseases.
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3 0
3 years ago
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A body weighs 100newtons when submerged in water. calculate the upthrust action on the body​
Andrews [41]

Answer:

Upthrust = 20 N

Explanation:

The question says that "A body weighs 100N in air and 80N when submerged in water. Calculate the upthrust acting on the body ?"

Upthrust is defined as the force when a body is submerged in liquid, then liquid applies a force on it.

ATQ,

Weight of body in air is 100 N

Weight of body in water is 80 N

Upthrust is equal to the weight of body in air minus weight of body in water.

Upthrust = 100 N - 80 N

Upthrust = 20 N

So, 20 N of upthrust is acting on the body.

7 0
3 years ago
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