Which of the following is a unit of volume of solids?
2 answers:
Answer:
Cubic meters is the unit of volume.
Explanation:
Volume :
Volume is the multiplication of height, width and length of the solids.
In mathematically term,
Where, w = width
h = height
l = length
Put the unit into the formula
This is the unit of volume.
We know that,
Square meters is the unit of area.
Liters per cubic gram is the unit of density.
Gram per cubic centimeter is the unit of density in CGS.
Hence, Cubic meters is the unit of volume.
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Given that,
Mass of trackler, m₁ = 100 kg
Speed of trackler, u₁ = 2.6 m/s
Mass of halfback, m₂ = 92 kg
Speed of halfback, u₂ = -5 m/s (direction is opposite)
To find,
Mutual speed immediately after the collision.
Solution,
The momentum of the system remains conserved in this case. Let v is the mutual speed after the collision. Using conservation of momentum as :
So, the mutual speed immediately after the collision is 1.04 m/s but in opposite direction.
Answer:
<h2>602.08 N</h2>Explanation:
The force supplied by the train can be found by using the formula
w is the workdone
d is the distance
From the question we have
We have the final answer as
<h3>602.08 N</h3>Hope this helps you