3 years ago

A jogger runs 300 meters due east and then turns and runs 500 meters due west.

1 answer:

3 0

It’ll be 200 meters West because 500-300=200 and The west direction has the greatest force you could say ... Anytime you have a question asking about displacement you subtract then use the direction with the greatest number ..

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How much work is done when you lift a 5kg bag of groceries 1.5 m?

olga55 [171]

Answer:

7.5J

Explanation:

5x1.5=7.5

8 0

3 years ago

13. An object with a mass of 2.0 kg has a force of 4.0 newtons applied to it.

julsineya [31]

Answer:2m/s²

Explanation: Well F=MA so sice F=4N and M=2kg let's plug in the values

4N=2KG*A

A=4N/2KG

A=2m/s²

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3 years ago

When air resistance equals the weight of an object, the object has reached

MissTica

Answer:

When air resistance equals the weight of an object, the object has reached free fall.

Explanation:

When an object has only force acting on it as gravity then, it experiences free fall.
During free fall all the forces except gravity is balanced by one another.
In the question, object's weight is balanced by air resistance so it is in the state of free fall.
At the null point of free fall, object experiences weightlessness i.e. it feels like object is not attracted by any force.