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VladimirAG [237]
4 years ago
5

1. Identify the quantity through the use of fundamental dimensions. nRT where: n = amount [mol] R = ideal gas constant [atm L/(m

ol K)] T = temperature [K] Choose from the following: Energy Correct! Press enter after select an option to check the answer Power Press enter after select an option to check the answer Velocity Press enter after select an option to check the answer Acceleration Press enter after select an option to check the answer Pressure Press enter after select an option to check the answer Force
Physics
1 answer:
Tatiana [17]4 years ago
7 0

Answer:

Energy

Explanation:

The easiest way would be to remember that PV=nRT and doing fundamental dimensions on that equation:[nRT]=[PV]=[P][V]=ML^{-1}T^{-2}L^3=ML^2T^{-2}, so the answer is Energy.

This is because we have to remember that P=F/A, and F has dimensions of mass (M) and acceleration (L/T^{-2}) while A has dimensions of longitude squared (L^{2}), which gives [P]=ML^{-1}T^{-2}. Volume has dimensions of L^{3}.

We can use any energy formula to know its dimensions, for example, from the Kinetic Energy we know that it must has dimensions of mass and velocity squared, [E]=ML^2T^{-2}, which is what we got.

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A car is moving in a straight line with the same speed of 100 m/s ,the acceleration in this
Amiraneli [1.4K]

Answer:

a = 0m/s²

Explanation:

Average acceleration = (change in velocity)/(time it takes). Since the car's change in velocity is zero, its acceleration is zero.

4 0
3 years ago
A ramp is 1.0 m high and 3.0 m long. What is the IMA of the ramp?
oksano4ka [1.4K]
To calculate the ideal mechanical advantage for an inclined plane, divide th length of the incline by the height of the incline. 
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Therefore the IMA of the ramp is 3 
This means the ramp increases the force that is being exerted by 3 times.
4 0
3 years ago
what is the approximate weight of a 20-kg cannonball on the moon if the acceleration due to gravity is 1.6m/s^2
monitta
On Earth, a cannonball with a mass of 20 kg would weigh 196 Newtons.
With the formula F=mg, where F is the weight in Newtons, m is the mass, and g is the acceleration due to gravity on the Earth which is 9.8m/s^2.
F=20kg x 9.8m/s^2= 196 Newtons

BUT on the moon, acceleration due to gravity is 1.6 m/s^2,
so F=mg=20kgx1.6m/s^2= 32 N
5 0
3 years ago
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goblinko [34]
Move the objects faster to get more friction.
8 0
3 years ago
Read 2 more answers
A football kicker kicks a ball with a mass of .42 kg. The average acceleration of the football was 14.8 m/s squared. How much fo
mrs_skeptik [129]

To find the force we use the formula,

F = ma , where m is mass and a acceleration

Using the formula,

F = ma

F = 0.42 x 14.8

F = 6.216 N / 6.22 N

Hope you liked the answer !

4 0
3 years ago
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