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Nostrana [21]
2 years ago
9

This table shows Wayne’s weight on four different planets. Planet Wayne’s weight (pounds) Mars 53 Neptune 159 Venus 128 Jupiter

333 Arrange the planets in decreasing order of their strength of gravity. Tiles MarsNeptuneJupiterVenus
Physics
1 answer:
oee [108]2 years ago
8 0
The correct order is (in decreasing order of gravity strength)
Jupiter - Neptune - Venus - Mars

In fact, Wayne's weight on each planet is given by
W=mg
where m is Wayne's mass, which is a constant value, and g is the gravity strength at the surface of the planet. Therefore, the Wayne's weight W on each planet is directly proportional to the gravity strength of that planet: so the planet with the strongest gravity is the one where Wayne's weight is the greatest (Jupiter, 333 pounds), followed by Neptune (159),  Venus (128) and Mars (53).
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Explain why the brakes of a car get much hotter than the brakes of a bicycle?
ValentinkaMS [17]

Answer: Car brakes produces more energy then the bicycle because the cars wheels produces a much bigger force that makes the car go and to stop that force the car uses greater amount of energy that transfers to heat  but in a bicycle the wheels do not turn that fast so when you press the break there is less energy that transfer to heat.

Explanation:

8 0
2 years ago
A crate slides down a ramp that makes a 20∘ angle with the ground. To keep the crate moving at a steady speed, Paige pushes back
VMariaS [17]

Answer:

Hence, work done= 287.54 J

Explanation:

Given data:

angle of ramp with the ground θ =20°

force applied = 76 N

work done on the crate to slide down 4 m down the ramp

W= F×d cosθ ( only the cos component of the force will slide the crate down)

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4 0
2 years ago
A 50 g tennis ball travels at a velocity of 15 m/s, hits a basketball with a mass of 600 g that is stationary on a frictionless
statuscvo [17]

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1.75 m/s

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m₁ u₁ + m₂ u₂ = m₁ v₁ + m₂ v₂

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8 0
2 years ago
For the Texas Department of Public Safety, you are investigating an accident that occurred early on a foggy morning in a remote
Bad White [126]

Answer:

JRJJEJERJRJERERJREREJERJJERJERTJE

ExpJERlanation:

SDSHERHJRESHERDHEDGERJEJERJERJERRJERSH

5 0
2 years ago
(8%) Problem 9: Helium is a very important element for both industrial and research applications. In its gas form it can be used
exis [7]

Answer:

2046.37 kPa

Explanation:

Given:

Number of moles, n = 125

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Height of the cylinder, h = 1.64 m

thus,

volume of the cylinder, V = πr²h

= π × 0.17² × 1.64

= 0.148 m³

Now,

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here,

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thus,

P × 0.148 = 125 × 8.314 × 293

or

P × 0.148 = 304500.25

or

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6 0
2 years ago
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