2 rocks of the same mass are rolling down a hill at different speeds (one faster than the other). which rick would have more kin
2 answers:
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Answer:
The velocity of other mass is 3.60 m/s.
Explanation:
Given that,
Mass of first block = 8 kg
mass of second block = 4.3 kg
Speed = 6.7 m/s
We need to calculate the speed of first mass
Using conservation of momentum
where, m₁ =mass of first block
m₂ =mass of second block
m₁ =mass of first block
v₂ =speed of second block
Put the value into the formula
Negative sign represent the opposite direction of initial value.
Hence, The velocity of other mass is 3.60 m/s.
Answer:
the Power required is 300 W
Explanation:
We know that the definition of work is given by the following expresion:
the distance is 1.5 meters and the Force is equal to 1000 N.
Replacing this values in the work expresion
And the power is equal to the amount of work done in a given time, therefore we have:
Time in seconds