The tension in the string and the acceleration must be equal for both masses. (See the free body diagrams)
Answer:
diagram: see image, x-component: 84.3 N, acceleration: 4.38 m/s^2
Explanation:
(see image for further explanation)
V=IR
60-V
The current that passes through a 10-ohm resistor = I
I=60/10
6 amperes
#3, they both come after infared and are not harmful to living cells.
amount of work done is 5880 J
Given:
mass of object = 50kg
Final height = 20m
initial height = 8m
To Find:
amount of work done
Solution:
work is done when a force acts upon an object to cause a displacement. You can calculate the energy transferred, or work done, by multiplying the force by the distance moved in the direction of the force.
The work done by gravity is given by the formula,
W = mgh
W = 50 x 9.8 x ( 20-8)
= 5880 J
So the work done is 5880 J
Learn more about Work done here:
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