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3 years ago

A 4n force is applied to an object with a mass of 2kg what is the accelertion of the object

Physics

1 answer:

Pavel [41]3 years ago

5 0

As per Newton's law we know that

F = ma

here we know that

F = 4 N

m = 2 kg

so from this equation we will have

4 = 2 a

a = 4/2 = 2 m/s^2

so the acceleration will be 2 m/s^2

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a skydiver jumped out of a plane and fell 9 miles to the ground. his average speed while falling was 174 miles/hour. how much ti

shutvik [7]

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t = 0.051 seconds

Explanation:

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A skydiver jumped out of a plane and fell 9 miles to the ground. It means 9 miles is the distance covered.

The average speed of the skydiver is 174 miles/hour

We need to find the time for which he dive last. It means t is the time taken. Total distance covered divided by time taken is called average speed. So,

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3 years ago

What is the speed of a car going v=1.000mph in SI units? Notice that you will need to change from miles to meters and from hours

Paha777 [63]

Answer: speed = 446.4m/s

Explanation: 1000mph implies that 1000 miles / 1 hour.

But it has been given that 1mile = 1609m,

hence

1000 miles = 1000 * 1609 = 1,609,000m

And I hour = 3600s

Hence 1000mph = 1,609,000/ 3600

1000 = 446.4m/s

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