Given:
m = 0.14 kg
v = 18 m/s
To find:
Kinetic energy= ?
Explanation:
Kinetic energy of the object is possessed when the object is in motion. It is define as the work done required to accelerate a body from rest to motion. Unit of energy is Joule and it is same as unit of work done. Energy is nothing but the capacity to do work.
Solution:
Kinetic energy of the ball is given by,
Kinetic energy = 
m = 0.14 kg
v = 18 m/s
Kinetic energy = 
Kinetic energy = 226.8 Joule
The lines can be traced out with a compass. The needle is like a permanent magnet and the north indicator is the north end of a magnet.
At a roller coaster, energy conversions from potential to kinetic energy and back repeatedly several times across the course of a trip. Kinetic energy is the force that an object possesses as a consequence of its movement.
All moving objects possess kinetic energy, which is defined with the mass and speed of the object. Potential energy is the energy that is deposited in an object due to its position corresponding to some zero point. Gravitational potential energy is highest at the top of the looping point of a roller coaster and smallest at the deepest end.
Answer:
Explanation:
Radio waves travel at the speed of light
= Speed of light = 
= Distance between two radios = 46 km
= Speed of sound in air = 348 m/s
= Distance sound travels across the newsroom = 2.1 m
Time taken by the radio signal to reach the required location is
Time taken by sound to reach the required location is
The time difference is
The difference in time that the message is received is .
