Physics

Q.

Kg is a unit of Mass and Newton is a unit of weight. So, why we use Kg in case of weight instead of Newton.

Q.

Taking velocity, force and time and the fundamental units find the dimension of mass

Q.

A reaction with reaction equilibrium qotient Q_c and equilibrium constant K_c, will proceed in the direction of the product when

a. Q_c=K_c

b Q_cc

c Q_cK_c

d Q_c=0

Q.

if the area of a circle is 16pie r² unit², write the radius of the circle.

Q.

An 8cm cube has a 4 cm square hole cut through its center. What is the remaining volume, in cm3?

Q.

A slab of iron of dimensions 60 cm x 20 cm x 28.26 cm is used to cast an iron pipe. the outer diameter of the pipe is 10 cm and the thickness is 1 cm, calculate the length of the pipe.(take pie = 3.14)

Q.

wht is the area of a cirle?

Q.

what is K_c for the reaction

Fe³⁺(aq) + 3OH^-(aq) Fe(OH)₃ (s)

Q.

IF THE RADIUS OF A CIRCLE IS 7/ SQUARE ROOT OF PI CM, THEN WHAT IS THE AREA OF THE CIRCLE?

Q.

If force (F) and density (d) are related as:

F= α/(β+√d)

Find the dimensions ofβ.