a horse exerts a pull cart of 300N so that horse cart system moves with a uniform speed 18 km/h on a level road calculate the power developed by horse in watt and horsepower​

To stimulate car accidents auto manufacturers study the collisions of moving cars with mounted springs of different spring constants. Consider a typical simulation with a car of mass 1000 kg moving with a speed 18 km/h on a smooth road and colliding with a horizontally mounted spring of a spring constant 6.25 10^3N/m. what is the maximum compression of the spring?

An elevator can carry a maximum load of 1800 kg (elavator + passengre) is moving up with a constant speed of 2 m s^(-1) .The frictional force opposing the motion is 4000 N.Determine the minimum power dilivered by the motor to the elevator in watts as well as in horse power.

A car A is travelling on a straight level road with a uniform speed of 60 km/h. It is followed by another car B which in moving with a speed of 70 km/h. When the distance between then is 2.5km, the car B is given a deceleration of 20km//h^2 . After how much time will B catch up with A

A horse runs along a circle with a speed of 20k m//h . A lantern is at the centre of the circle. A fence is along the tangent to the circle at the point at which the horse starts. Find the speed with which the shadow of the horse moves along the fence at the moment when it covers 1/8 of the circle in km/h.

A train weghing 1000 quintals is running on a level road ith a uniform speed of 72 km//h .If teh frictional resistance amounts to 50 g wt.per quintal,find power in watt,take g= 9.8 m s^-2 .

Classify the following as motion along a straight line, circular or oscillatory motion:motion of a horse pulling a cart on straight road?