Look at the alongside figure. A stone is dropped from certain height. study the alongside figure and answer the following questions. 1. why is the distance covered by stone increased in each second?
2. The velocity of a stone is maximum at 'C'. Give reason
please answer.​

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.