The magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the _______ and the __
2 answers:
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Answer:
B 14.5 m/s to the east
Explanation:
We can solve this problem by using the law of conservation of momentum.
In fact, if the system is isolated, the total momentum of the system must be conserved.
Here the total momentum before the stuntman reaches the skateboard is:
where
M = 72.0 kg is the mass of the stuntman
v = 15.0 m/s is his initial velocity (to the east)
The total momentum after the stuntmen reaches the skateboard is:
where
m = 2.50 kg is the mass of the skateboard
v' is the final velocity of the stuntman and the skateboard
Since momentum must be conserved, we have
And solvign for v',
And since the sign is the same as v, the direction is the same (to the east).
Answer:
<h3>The answer is 2.0 g/mL</h3>Explanation:
The density of a substance can be found by using the formula
From the question
mass = 100 g
volume = 50 mL
We have
We have the final answer as
<h3>2.0 g/mL</h3>Hope this helps you