3 years ago

If you double the velocity of a moving object, how is it's momentum affected?

1 answer:

8 0

Well momentum is = to Mass*Velocity so let's use an example to figure this out

If I weighed 50kg and I was jogging at 3m/s then I broke into a run at 6m/s how will me momentum be affected?
3m/s*50kg=150
6m/s*50kg=300

So as you can see by doubling the velocity you also double the momentum

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2 years ago

a mass of 10kg is placed on a horizontal table with coefficient of friction is 0.5. if the mass is static, determine weight of t

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Explanation:

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2 years ago

What does the law of conservation of matter state

r-ruslan [8.4K]

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Matter can be changed, but not created or destroyed.

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2 years ago

Q1) An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours.To cover the same distance in 1(2/3) hours, it must

Pepsi [2]

Answer:

D) 720 kmph

Explanation:

First, let's find what distance this aeroplane covered. Distance (d) is the product of speed and time - here, we have a speed of 240 kmph and a time of 5 hours, gives us

$d=240\cdot5=1200$ km

Using that same fact, we can set up a new equation to solve for speed (s) when we have a distance of 1200 km and a time of 1 2/3 hours. For the sake of cleanliness, I'm gonna rewrite 1 2/3 as the improper fraction 5/3:

$1200=(5/3)s$

Multiplying both sides of the equation by 3/5:

$s=(3/5)(1200)=720$ kmph

So our answer is D.

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2 years ago