# Month: May 2015

#### A body moving with constant acceleration | travels the distance 3 metre and 8 metre respectively in 1 second and 2 second | calculate the initial velocity and the acceleration of body | Sum Motion in one Dimension – Physics class 9

Problem :     A body moving with constant acceleration travels the distance 3 metre and 8 metre respectively in one second 2 second. Calculate the 1) initial velocity and…

#### Summary of Journey by Night | For Classv9

Sher Singh was a 12 year old brave boy; who lived in Laldwani village. He lived with his younger brother, mother and father. Sher Singh Bahadur was father of Sher…

#### Walking at 3/5 of his usual speed, a man is 4 hours too Late | Find his usual time | Speed Distance and Time

Walking at 3/5 of his usual speed,  a man is 4 hours too late.  Find his usual time. Suppose the usual speed of the man be x km/hr .Let distance…

#### A body moves from rest with uniform acceleration and travels 270 metre in 3 seconds | Find the velocity of the body at 10 seconds after the start | Sum Motion in one Dimension – Physics class 9

Problem : A body moves from rest with uniform acceleration and travels 270 metre in 3 seconds. Find the velocity of the body at 10 seconds after the start. Initial…

#### When brakes are applied to a bus the retardation produced is 25 cm/s2 and the bus takes 20 s to stop | calculate the initial velocity of bus the distance traveled by bus during this time |

Problem : When brakes are applied to a bus the retardation produced is 25 centimetre per second square (cm/s2 )and the bus takes 20 seconds to stop. Calculate a)the initial…

#### A car travels a distance 100 metre with a constant acceleration and average velocity of 20 metre per second | The final velocity required by the car is 25 metre per second | Find the initial velocity and acceleration of car | Sum Motion in one Dimension – Physics class 9

Problem: A car travels a distance 100 metre with a constant acceleration and average velocity of 20 metre per second. The final velocity required by the car is 25…