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kupik [55]
3 years ago
10

What is the kinetic energy of a 478 kg object that is moving with a speed of 15 m/s

Physics
1 answer:
Tpy6a [65]3 years ago
7 0
The kinetic energy would be 53,775J:)
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Which of the following statements is true?
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Hi there!

Question - Which of the following statements is true?

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A meteor is approaching earth, what's its motion?
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Estimate how long a 2500 W electric kettle would take to boil away 1.5 Kg of water . The specific latent heat of vaporization of
andrew-mc [135]

The time it would take a 2500 W electric kettle to boil away 1.5 Kg of water is 2400 seconds

<h3>How to calculate the time</h3>

Use the formula:

Power × time = mass × specific heat

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Substitute the values into the formula

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2500 × time = 1. 5 × 4000000

Make 'time' the subject

time = 1. 5 × 4000000 ÷ 2500 = 6000000 ÷ 2500 = 2400 seconds

Therefore, the time it would take a 2500 W electric kettle to boil away 1.5 Kg of water is 2400 seconds.

Learn more about specific latent heat of vaporization:

https://brainly.in/question/1580957

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8 0
2 years ago
Calculate the amount of momentum of an object with a mass of 10 kg travelling al a
irina [24]

Answer:

50kg.m/s

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v= velocity

so in other words, momentum= mass times velocity

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Which of these experiments would make use of qualitative data
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It has to due with numbers so I would say the last one!
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3 years ago
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