How long does ball is taken when it throws vertically, A boy throws a ball ...

A boy throws a ball vertically upward with a velocity of 6 meters per second. How long does it take the ball to return to the boy's hand? Ans: A boy throws a ball vertically

Elastic collision, what is elastic collision

what is elastic collision

Michelson interferometer diagram,

Hookes law, Hooke's law (R. Hooke): The stress applied on any solid is...

Hooke's law (R. Hooke): The stress applied on any solid is proportional to the strain it generates in the elastic limit for that solid. The constant of that proportionality is

Circular motion, the value of 10 radian is?

the value of 10 radian is?

Derive the conservation law, Suppose a fluid (say, water) occupies a domain...

Suppose a fluid (say, water) occupies a domain D ⊂ R 3 and has velocity field V=V(x, t). A substance (say, a day) is suspended into the fluid and will be transported by the fluid

How temperature of sun rays increase by sunlight reflected, Does sunlight r...

Does sunlight reflected off a mirror enhance the temperature of the sun-rays? A standard planar mirror will not enhance the energy contained in the rays that reflect off it. In

Making a shadow stick, Making a shadow stick In an open space on the sc...

Making a shadow stick In an open space on the school ground drive a 130 cm stick into the ground and let the children stay a record of the length of the shadow, calculated two

Low of succeve disintigration, Dirive an expretion for low of succecive dis...

Dirive an expretion for low of succecive disintigretion

Determine the Effect of air resistance, An object in free fall has an accel...

An object in free fall has an acceleration of 9.80 m/s 2 assuming that there is no air resistance. What is the speed of an object dropped from the top of a tall cliff 3.50 s a