Answer: 20580 Joules of work is done by the firefighter.
Explanation:
Work done is defined as the force times distance travelled.
work=
Given:
mass= 75 kg
acceleration due to gravity =
h= height = 28 m
Putting in the values we get,
work=
Thus 20580 Joules of work is done by the firefighter.
More empty space in mass !!
Vector A is of magnitude 12 m and it makes an angle of 37 degree with Y axis
So here we can say that
Similarly we have
So here we have
option A is correct
Answer:
continual drift
Explanation:
it exsplain why the tectonic plates move
A it sinks the submarine because of the water that is going into the submarine