a string of fifty 15 ohm christmas tree lights are connected in series. one burns out, they all burn out. calculate the total re
1 answer:
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Answer:
Potential energy
Explanation:
Given data
Weight of the person = 1000 N
Mass of the person =
Speed = 6.26
Kinetic energy is given by
Put the values in above formula we get
When the person reach top point then at this point the velocity is zero & kinetic energy at top point is equals to the potential energy.
Therefore potential energy
Answer:
Explanation:
As we know that the force due to propeller when it will push the water backwards is given as
now we know that
so we have
here we know that
now the force is given as
now the acceleration of the ship is given by Newton's II law