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alexira [117]
3 years ago
14

A mass of gas under constant pressure occupies a volume of 0.5 m3 at a temperature of 20°C. Using the formula for cubic expansio

n, what will be the volume at a temperature of 45°C without a change in pressure?
Physics
1 answer:
Kryger [21]3 years ago
6 0
No cubic expansion given
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If the mass of the sun is 1x, at least one planet will fall into the habitable zone if I place a planet in orbits___, ____, ____
nasty-shy [4]

If the mass of the sun is 1x, at least one planet will fall into the habitable zone. if I place a planet in orbits 2, 6, and 75, and all planets will orbit the sun successfully.

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8 0
2 years ago
Two parallel plates are 1 cm apart and are connected to a 500 V source. What force will be exerted on a single electron half way
VladimirAG [237]

Answer: 8*10^-15 N

Explanation: In order to calculate the force applied on an electron in the middle of the two planes at 500 V we know that,  F=q*E

The electric field between  the plates is given by:

E = ΔV/d = 500 V/0.01 m=5*10^3 N/C

the force applied to the electron is: F=e*E=8*10^-15 N

3 0
2 years ago
A 50.0 kg person is walking horizontally with constant acceleration of 0.25 m/s² inside an elevator. The elevator is also accele
Alexxandr [17]

Answer:

The acceleration is in 2 D as in between east and south.

Explanation:

mass, m = 50 kg

acceleration, a = 0.25 m/s^2 horizontal

acceleration of elevator, a' = 1 m/s^2 downwards

When a person on the ground the resultant acceleration of the person with respect to the ground is between east and south direction so the path os parabolic in nature. It graph is shown below:

6 0
2 years ago
A 60-kg woman stands on the very end of a uniform board, which is supported one-quarter of the way from one end and is balanced.
Tasya [4]

B 30 kg because


One quarter =1/2
Kg=60

1/2 of Kg
1/2*60
30 kg
5 0
2 years ago
A bike, a truck, and a train—all without passengers, motors, or engines—roll down the same hill. Put the vehicles in order from
Bezzdna [24]

Answer:

Train Bike Truck

Explanation:

3 0
2 years ago
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