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2 years ago

At what point does the ball have the most gravitational potential energy?

Physics

1 answer:

nevsk [136]2 years ago

3 0

Point C. at this point, which is the highest point, all of the ball’s energy is gravitational potential energy.

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Which is more bussin? mcdonald’s or taco bell

Maksim231197 [3]

Answer:

it depends on what you wanna get

if its chicken nuggies then mcdonalds

if its bomb a.ss tacos that taste pretty good but with meat that looks like literal sh.it then probably tacobell

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2 years ago

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A 50kg meteorite moving at 1000 m/s strikes Earth. Assume the velocity is along the line joining Earth's center of mass and the

zysi [14]

As per the question, the mass of meteorite [ m]= 50 kg

The velocity of the meteorite [v] = 1000 m/s

When the meteorite falls on the ground, it will give whole of its kinetic energy to earth.

We are asked to calculate the gain in kinetic energy of earth.

The kinetic energy of meteorite is calculated as -

$Kinetic\ energy\ [K.E]\ =\frac{1}{2} mv^2$

$=\frac{1}{2}50kg*[1000\ m/s]^2$

$=\frac{1}{2}50* 10^{6}\ J$

$=25*10^6\ J$

Here, J stands for Joule which is the S.I unit of energy.

$Hence,\ the\ kinetic\ energy\ gained\ by\ earth\ is\ 25*10^6\ J$

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3 years ago

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Which of these substances has the greatest index of refraction?

Inessa05 [86]

D. diamond, is the best option..

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3 years ago

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Why do raindrops fall with a constant speed during the later stages of their descents?

BartSMP [9]

Firstly they have a acceleration downwards due the force downwards due they gravitational field acting on it's mass.
as it falls it gains speed, and as it gains speed the air Resistance which is a upward force actin on the drop increases, eventually the rain drop's upward and downward forces are balanced and hence there is no RESULTANT force therefore no acceleration, so the drops falls in constant speed (terminal verlocity is a better term)

Are you wondering that why is the raindrop still moving given that the forces are balanced? If so according to Newton's 1st law an object will keep moving or Remain at rest until a RESULTANT force acts on it.

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3 years ago

What is a wave coming into a barrier

3241004551 [841]

A wave looses its power as it comes to shore because it gets less deeper every second it gets closer to shore

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2 years ago