3.0 m `s(-^2)=…………….km h(-^2)`

1 kg m^2s^(-2) =…………g cm^2 s^(-2) .

A constant force acting on a body of mass 3.0 kg changes its speed from 2.0 m s^-1 to 3.5 m s^-1 in 25 s. The direction of the motion of the body remains unchanged. What is the magnitude and direction of the force?

A vehicle moving with a speed of 18 km h-^1covers……….m in 1 s.

A particle starts from the origin at f = 0 s with a velocity of 10.0 hatj m//s and moves in the x-y plane with a constant acceleration of (8.0 hat + 2.0 hatj) m s^-2 .

Calculate e.m.f. of the following cell at 298K: 2Cr(s) + 3Fe^(2+)(0.1M) rarr 2Cr^(3+)(0.01M) + 3Fe(s) E^0 (Cr^(3+)/Cr) = -0.074V & E^0 (Fe^(2+)/Fe)= -0.44V

The conductivity of 0.001M acetic acid is 4X10^(-2)S//m . Calculate the dissociation constant of acetic acid if lambda_m^@ for acetic acid is 390Scm^2mol^(-1) .

If m, v and c respectively denote mass, speed and the velocity of light, then in the equation m = m_0(1-v^2/c^2)^(-1/2), find the dimension of m_0

A motorboat starting from rest on a lake accelerate in a straight line at a constant of 3.0 m s^-2 for 8.0 s. How far does the boat travel during this time?

A cyclist is riding with a speed of 27 km/h. As he approaches a circular turn on the road of radius 80 m, he applies brakes and reduces his speed at the constant rate of 0.50 m/s every second. What is the magnitude and direction of the' net acceleration of the cyclist on the circular turn?