F = m * a
F = 15 kg * 8 m/s²
F = 120 N
Answer B
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Answer:
The mechanism of energy transport through a medium involves the absorption and reemission of the wave energy by the atoms of the material. When an electromagnetic wave impinges upon the atoms of a material, the energy of that wave is absorbed.
Answer:
500÷25=20
so 20 coulombs per second
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Answer: The speed of the student is 5.45km/hr.
Explanation: The important concept here is to convert 33 minutes to hours by diving by 60 since one hour is equal to 60 minutes to get 0.55hr
Then velocity is equal to distance over time.
v=d/t
v= 3km/0.55hr
v=5.45km/hr
Answer and Explanation:
Hydrostatic equilibrium is the condition in which force is balance that is upward force and downward force the downward force is due to gravitational force and the upward force is due to the pressure. The Sun is said to be in hydrostatic equilibrium means the force acting on it is balance means upward force which is due to pressure is same as the force exerted by gravitation.