Path of an object

If a man tossed a coin in a moving train and the coin fell back . Then in which type of motion train is moving? and how? CHANDRIMA Answer For the person who tosses the coin the motion is vertically upward if he do so. But for an observer outside the train the path of the [...]

Practice problems for class 9 SA1

Try to solve these problems, it will help you score good marks in Physics in first summative assessment. Calculate the force required to be imparted to a car to give it a velocity of 30 m/s in 10 s. The mass of the car is 1500 kg. For how long should a force of 200N … Continue reading Practice problems for class 9 SA1

A Numerical Problem from Projectile Motion

A short is fired from a gun on the top of a hill 90m high with velocity 80m/s at an angle of 30 degree with the horizontal. Find the horizontal distance between the vertical line through the gun and the ponit where the shot strikes the ground? (Shilpa asked this question) Answer: Take Sy= -90m … Continue reading A Numerical Problem from Projectile Motion