A bicycle has a momentum of 12 kgm/s. What momentum would the bicycle have if it had <span>three times the mass and twice the speed.
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Answer:
I assume that the force of 2N is applied along the direction of motion and was applied for the whole 1 meter, the formula of work is this; Work = force * distance * cosθ where θ is zero degrees. Plugging in the data to the formula;
Explanation:
Work = 2N * 1m * cos 0º.
Work = 2N * 1m * 1
Work = 2Nm
Work = 2 joules
In 1967, John Wheeler invented the name "black hole" for the first time. However, there is no unified naming system for black holes.
Answer:
t=7.33 s
Explanation:
According to Newton's second law:
because we don't want the box to slide, the acceleration has to be zero.
we know that:
Now having the acceleration, we can use the following formula.
