Explanation:
The orbital radius of the Earth is
The orbital radius of the Mercury is
The orbital radius of the Pluto is
We need to find the time required for light to travel from the Sun to each of the three planets.
(a) For Sun -Earth,
Kepler's third law :
M is mass of sun,
So,
(b) For Sun -Mercury,
(c) For Sun-Pluto,
Answer:
b
Explanation:
she made a conclusion based off of her own observation, and isnt dumb enough to call a weather station
Energy is the one that is stored in the ball when it drops. Just before it hits the ground, the energy depends on the mass of the ball and its velocity. When the ball hits, it is compressed and the energy is stored in the compression of the air in the ball and the elasticity of the material that the ball is made from. Some is also converted to heat. The stored energy in the ball causes a force to make the ball back into a round shape and this force presses against the propels and floor the ball back up. The small amount lost as heat is the reason that the ball bounces up with less energy than when it hit.
An isolated system , it does not allow any matter or energy to be exchanged
Answer:
0.208 N
Explanation:
We are given that
Distance,d=0.41 m
The magnitude of the net electrostatic force experienced by any charge at point 4
Net force,
Where