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4 years ago

A football player kicks the ball through the goal posts with their foot and their toes are left stinging

Physics

1 answer:

GenaCL600 [577]4 years ago

5 0

Answer: The foot kicked the ball with alot of force the ball had force too so their toes are left stinging

Explanation:

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What occurs at thermal equilibrium

lawyer [7]

Its when both sides of a system are at the same temp. for example (sorry is this is a bad example) one of your hand was really cold and one was really hot from running it under hot water and you clamp your hands together the molecules in the hot hand (which are moving much faster due to the heat, will start bumping into the slow moving molecules in the cold hand, until it all balances out and both hands are the same temperature.

I hope the helps :)

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3 years ago

Read 2 more answers

Describe the shape of the earth besides round and tell me how it rotates

NNADVOKAT [17]

Answer:

The Earth is in hydrostatic equilibrium pretty much. Which is to say that if it were entirely liquid it would still be the same shape ignoring minor differences like mountain ranges that are in any case indistinguishable on the large scale.

A spinning liquid sphere will flatten out somewhat at the axis poles and expand somewhat in its equatorial region and that’s the way the Earth is.

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2 years ago

Suppose a planet has twice the mass of the earth and twice the earth's radius. What is the acceleration of an object in free fal

ira [324]

We use the equation:

g = G m / r2
where
G=constant universal gravitational = 6.67 x 10^-11 n m^2/kg^2 
m=planet mass=5.9736 x 10^24 kg (twice=11.9472) 
r radium planet=6.372 km (twice=12.744)

g= 6.67 x 10^-11 n m^2/kg^2 x 11.9472 10^24 kg/(12.744.000m)^2 
g=4.90 m/s^2 (1/2 of Earth gravity) <------- second option

6 0

3 years ago

I will fan and give 2 medals!!!!!!

Maksim231197 [3]

Corona

I. Rare gaseous envelope

II. Irregular pearly glow

III. Total solar eclipse

IV. Surrounds darkened moon

V. Caused by diffraction

Solar Prominence

I. loop shape

II. large bright gaseous

III. luminous hydrogen gas

IV. rises above chromospheres

V. anchored to surface (sun’s surface)

Solar Flare

I. Intense High-energy

II. Causes electromagnetic disruptions

III. In solar atmosphere

IV. Varies in brightness

V. Emits radiation

Sunspots

I. Surface dark spots

II. Strong magnetic fields

III. Solar magnetic storms

IV. Visible through telescope

V. Cooler than photospheres

I did this in class I got 100%

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3 years ago

A 90.00-kg hockey goalie, at rest in front of the goal, stops a puck (m = 0.16 kg) that is traveling at 30.00 m/s. at what speed

Ivahew [28]

5.3 cm/s This is a matter of conservation of momentum. Since there's no mention of the puck rebounding, I will consider this to be a totally non-elastic collision. So, let's determine the starting momentum of the system. Goalie is at rest, so his momentum is 0. Puck is moving at 30.00 m/s with a mass of 0.16 kg, so: 30.00 m/s * 0.16 kg = 4.8 kg*m/s So the starting momentum is 4.8 kg*m/s moving towards the goal. After the collision, the puck and goalie will have the same momentum. So figure out the mass of the new system: 90.00 kg + 0.16 kg = 90.16 kg And divide the system momentum by the system mass: 4.8 kg*m/s / 90.16 kg = 0.053238687 m/s Finally, round to the least precise datum, so the result to 2 significant figures is 0.053 m/s, or 5.3 cm/s.

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4 years ago