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Elis [28]
3 years ago
9

When air resistance equals the weight of an object, the object has reached

Physics
1 answer:
MissTica3 years ago
6 0

Answer:

When air resistance equals the weight of an object, the object has reached free fall.

Explanation:

  • When an object has only force acting on it as gravity then, it experiences free fall.
  • During free fall all the forces except gravity is balanced by one another.
  • In the question, object's weight is balanced by air resistance so it is in the state of free fall.
  • At the null point of free fall, object experiences weightlessness i.e. it feels like object is not attracted by any force.  
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Suppose you have a piston in a cylinder where the gas temperature is 26.0° C and has a volume of 1.75 L. What is the volume of t
blsea [12.9K]

Answer:

1.62 L

Explanation:

Charle's law for ideal gases states that for a gas kept at constant pressure, the ratio between volume and temperature is constant:

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where in this problem we have

V_1 = 1.75 L is the initial volume of the gas

T_1 = 26.0^{\circ}+273=299 K is the initial temperature of the gas

V_2 is the final volume of the gas

T_2 = 3.0^{\circ}+273=276 K is the final temperature

Solving the equation for V2, we find

V_2 = \frac{V_1}{T_1} T_2 = \frac{1.75 L}{299 K}(276 K)=1.62 L

8 0
2 years ago
Read 2 more answers
In order for work to happen you MUST have?
Nataly_w [17]

Explanation:

it requires energy

hope it helps

7 0
2 years ago
As an ice cube melts, its molecules
fomenos

Answer:

A. absorb heat energy and move farther apart

Explanation:

The answer is A since when a ice cube takes in heat, it changes form and melts down to a liquid : water.

The molecules in water are farther apart since they are moving around alot but can be contained in a container.

3 0
3 years ago
What gas law applies to the situation you have described above. Why?
Allushta [10]

If you give us the situation described then I'll be able to help.

6 0
3 years ago
a spring with a constant of 80N/m is stretched by a force of 240N. how much the displacement of the spring from equilibrium?
Inessa05 [86]

Answer:

1200N/m

Explanation:

given parameters:

force on the motorcycle spring is 240N

Extension 2cm or 0.02m

unknown _

spring constant:

:?

solution:

to a spring a force applied is given as :

f=ke

f is applied as force

k is spring constant

e is the Extension

240= kx0.02

k=1200N/m

8 0
2 years ago
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