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Sergio039 [100]
3 years ago
5

Projectile motion how long was the football up in the air

Physics
1 answer:
Alex Ar [27]3 years ago
7 0
The football was up in the air continuously from the instant it left the kicker's toe until the moment it hit the ground or anything else.
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Which are examples of a medium? water and air amplitude and wavelength crests and troughs compressions and rarefactions
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Answer:

water and air

Explanation:

  • A wave is a transmission of a disturbance from one point or the source to another  point.
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  • The medium may be in gaseous form, slid form or liquid form. Therefore water and air are example of medium of transmission of a wave.
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Venus and Earth

Explanation:

The force of gravity depends on your mass AND the mass of the planet you stand on. Earth and Venus are about the same size, so they have about the same mass. If you go to Venus, your mass hasn't changed, and the planet mass is almost the same as earth- so the force of gravity on you (AKA your weight) will be the same.

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How many moles of He atoms are in 6.00 g of He?
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How can you decrease the momentum of an object?
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You will have to "put force against the object to slow it down." Momentum is the force that is keeping a object moving in a certain direction so if you would want to slow down the object you will have to put another force against the object to slow it down or stop it. For example: a person kicks a ball, the ball moving is the momentum. So, if you would want to stop the ball you would have t put something in its path to slow it down which is the decreasing of it's momentum. Therefore you would put a bump in the wall and when the ball hits the bump it slows down.

Hope this helps!
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Which ion will act as a weak base in water?
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Answer:

An example of a weak base is ammonia. It does not contain hydroxide ions, but it reacts with water to produce ammonium ions and hydroxide ions. The position of equilibrium varies from base to base when a weak base reacts with water. The further to the left it is, the weaker the base.

Explanation:

I hope this helps!!

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