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CBSE - IX - Physics - Motion

A boy on a 78.4m high cliff drops a stone. One second later, he throws another stone downwards with some speed. The two stones reach the ground simultaneously. Find the speed with which the second stone was thrown.   (Acceleration due to gravity = 9.8 m/s2

Asked by arunk.agarwal 30th July 2016, 4:15 PM
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CBSE - IX - Physics - Motion

Is there any difference between accelerated motion and uniform acceleration?Explain your answer with examples?

Asked by abinash.gupta003 15th July 2016, 10:44 AM
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CBSE - IX - Physics - Motion

An object covers half the distance with a speed of 20m/s and the other half with a speed of 30m/s. Calculate the average speed of the whole journey.

Asked by manhas 13th June 2016, 7:06 PM
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CBSE - IX - Physics - Motion

Sir/Ma'am,please give an example for each as I have to make a working model on motion.
1-Circulatory motion
2-uniform and non uniform motion
3-Rotatory motion
4-Oscillatory motion
5-Rectilinear motion

Asked by Shawn 2nd June 2016, 7:56 PM
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CBSE - IX - Physics - Motion

A body travels along a circular path of radius 70 cm,after travelling half a revolution in 20 seconds. Find the average velocity and the average speed.

Asked by Shawn 1st May 2016, 1:19 AM
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CBSE - IX - Physics - Motion

A ball is dropped on to the floor from a height of 10 cm. It rebounds to a height of 2.5m. If the ball is in contact with the floor for o.o1 seconds , what is the average accelerationduring contact ??

Asked by SIDDHARTH SHARMA 24th November 2014, 11:12 AM
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CBSE - IX - Physics - Motion

A particle is moving in a straight line with initial velocity U and uniform accerleration A. if the sum of distances travelled in Tth & (T+1)th second is 100 cm. Then find its velocity after T second in cm/s 

Asked by SIDDHARTH SHARMA 24th November 2014, 11:08 AM
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