Diagram B is correct, because light refracts when passes from one material to another.
Yes, refer to Newton’s first law
Kinetic energy is the energy applied or present in a moving object. According to Newton's second law of motion the magnitude of acceleration of an object is proportional to the magnitude of the net force but inversely proportional to its mass. So the Kinetic Energy of a moving car of small vehicle is greater than the large vehicle if both are applied with the same net force. The greater the Kinetic Energy the longer the stopping distance
Answer: The given statement is True.
The proliferation of photosynthetic planktons results in harmful algal blooms. Due to this, the surface of the water body gets completely covered with algal bloom. This blocks the sunlight as it can not penetrate the water. Due to this, photosynthetic planktons are no more able to perform photosynthesis. This ultimately ends up depleting all oxygen from the body of water.
Thus, the given statement is true.
From Newton's second law of motion,
F = ma = mv/t
Where F is force, m is mass, a is acceleration, v is velocity, and t is time. Substituting the known values from the given,
(a) 5 N = (2 kg)(v)/(5 s) ; v = 12.5 m/s
(b) 10 N = (2 kg)(v) /(5 s) ; v = 25 m/s
(c) 15 N = (2 kg)(v) /(5s) ; v = 37.5 m/s
Therefore, the greater the amount of force, the higher is the final velocity of the block.