2 years ago

As a bullet shot vertically upward rises, the kinetic energy of the bullet

Physics

1 answer:

algol [13]2 years ago

3 0

The kenitc energy of the bullet lowers as it keeps going up.

Because gravity is pushing the bullet down as the bullet goes up.

I'm pretty sure that the way to put this answer.

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Emily’s vacuum cleaner has a power rating of 200 watts. If the vacuum cleaner does 360,000 joules of work,

gtnhenbr [62]

Divide 360000 by 200 to get 1800 seconds, or half of hour.

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3 years ago

What direction does an applied force move an object

monitta

The object will move in the direction of the applied force.

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2 years ago

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Paula ran a total of 72meters directly toward school at a constant velocity. She ran one-third of that distance in 8seconds. Wha

Nezavi [6.7K]

Answer:

3 meters per second

Explanation:

72 divided by 3= 24 meters in 8 seconds

24/8= 3, so 3 meters per second

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2 years ago

How much force is required to accelerate a 50 kg with a mass at 4 m/s2?

GalinKa [24]

Answer:200N

Explanation:

Mass=50kg

Acceleration=4m/s^2

Force=mass x acceleration

Force=50 x 4

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2 years ago

A fan converts 4.2 kJ of electrical energy to kinetic energy every minute. The power of the fan is...

miss Akunina [59]

The power of the fan is 70 Watt.

<h3 /><h3>What is power?</h3>

Power can be defined as the rate at which energy is used. The S.I unit of power is Watt (W)

The power of the fan can be calculated using the formula below.

<h3>Formula:</h3>

P = E/t.......................... Eqaution 1

<h3>Where:</h3>

P = Power of the fan
E = Energy of the fan
t = time

From the question,

<h3>Given:</h3>

E = 4.2 kJ = 4200 J
t = 1 minutes = 60 seconds.

Substitute these values into equation 1

P = 4200/60
P = 70 Watt.

Hence, The power of the fan is 70 Watt.

Learn more about power here: brainly.com/question/3631756

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2 years ago