## projectile motion, Physics

Assignment Help:
in some case we take y=-g but in some case we take y=g... why???

#### Assignment, to find coefficient of viscosity of a liquid using stok''s law

to find coefficient of viscosity of a liquid using stok''s law

#### Viscosity of liquid, How to determine the co efficient of viscosity of liqu...

How to determine the co efficient of viscosity of liquid by capillary flow method?

#### Find the angular velocity of rotation, A mass m rotating freely in a horizo...

A mass m rotating freely in a horizontal circle of radius 1 m on a frictionless smooth table supports a stationary mass 2m, attached to the other end of the string passing through

#### Explain electrostatic potential energy, Two point changes q1 and q2 are pla...

Two point changes q1 and q2 are placed at a distance r from one another then electrostatic potential energy of two phase charge system will be kq 1 q 2 /r  . We take P.E. of two ch

#### Correspondence principle, Correspondence principle (N. Bohr) The princ...

Correspondence principle (N. Bohr) The principle that when a new, more general theory is placed forth, it has to decrease to the more specialized (and usually simpler) theory

#### Quantization of charge, quantization of charge

quantization of charge

#### Insulation resistance, This is the virtue of a material resists flow of ele...

This is the virtue of a material resists flow of electric current. It should be as high as possible. When material is subjected to an electrical pressure then will always be a flow

#### Coanda effect, Coanda effect The effect which indicates that a fluid t...

Coanda effect The effect which indicates that a fluid tends to flow along a surface, instead of flow through free space.

#### Acceleration, how many seconds dose it take an elevator to travel 373m if i...

how many seconds dose it take an elevator to travel 373m if it accelerates at 4.80 m/s^2 and has a velocity of 17.8m/s how much time does it take an elevator to travel 373 meters  