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3 years ago

The football player running towards the goal line has

Physics

2 answers:

blagie [28]3 years ago

8 0

the football player has speed

-Dominant- [34]3 years ago

8 0

He has speed, velocity, kinetic energy, hypermotivation, an elevated heart rate, and he typically has THE BALL.

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Unit Test Review

PolarNik [594]

Answer:

option B...

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2 years ago

Marco is conducting an experiment. He knows the wave that he is working with has a wavelength of 32.4 cm. If he measures the fre

liq [111]

Answer: D. the wave has traveled 97.2 cm in 1 second.

Explanation:

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3 years ago

Is friction used when buttering a cake pan?

Elena L [17]

Answer: friction is used when 2 and 2 things mix and come together but normally friction slows things down but when buttering a pan it doesnt slow down

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3 years ago

Read 2 more answers

When is the pressure of the man on the ground more – lying position or standing

Wittaler [7]

Hi,

The man on the ground in standing position has more pressure. This is because when he stands, only his legs are in contact with the ground. While lying, his body is more in contact with the ground, therefore, he exerts less pressure.

To the point, a man standing position on the ground had more pressure.

More is the area of contact, less is the pressure efforted.

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3 years ago

A woman of mass 50 kg is swimming with a velocity of 1.6 m/s. If she stops stroking and glides to a stop in the water, what is t

Snezhnost [94]

Answer:

Impulse of force = -80 Ns

Explanation:

Given the following data;

Mass = 50kg

Initial velocity = 1.6m/s

Since she glides to a stop, her final velocity equals to zero (0).

Now, we would find the change in velocity.

$Change \; in \; velocity = final \; velocity - initial \; velocity$

Substituting into the equation above;

Change in velocity = 0 - 1.6 = 1.6m/s

$Impulse \; of \; force = mass * change \; in \; velocity$

Substituting into the equation, we have;

$Impulse \; of \; force = 50 * -1.6$

Impulse of force = -80 Ns

Therefore, the impulse of the force that stops her is -80 Newton-seconds and it has a negative value because it is working in an opposite direction, thus, bringing her to a stop.

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2 years ago