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CBSE - IX - Physics - Force and Laws of Motion
What are the equations of motion
Asked by Nabakishoresahoo
3rd February 2020,
8:17 PM
CBSE - IX - Physics - Force and Laws of Motion
why a book on a table is not considered a action-reaction pair although normal force and weight(due to gravity or gravitational force of earth)are equal and opposite?
Asked by abinash.gupta003
17th August 2016,
7:14 PM
CBSE - IX - Physics - Force and Laws of Motion
Describe the nature of force acting in the above shown displacement time graphs
Describe the nature of force acting in the above shown displacement time graphs
Asked by Shringoyal
18th September 2015,
12:10 PM
CBSE - IX - Physics - Force and Laws of Motion
In a rocket , fuel burns at the rate of 1kg/s .This fuel is ejected from the rocket with a velocity of 60km/s . This exerts a force on rocket equal to ;-
Asked by SIDDHARTH SHARMA
24th November 2014,
11:16 AM
CBSE - IX - Physics - Force and Laws of Motion
The speed of a train at a constant rate α from zero to v , then remains constant for an interval , and finally decreases to zero at a constant rate β . If L be the total distance travelled then the total time taken is
ans.:- L/V + V/2[1/α+1/β]
HOW TO FIND IT ?
Asked by SIDDHARTH SHARMA
24th November 2014,
10:59 AM
CBSE - IX - Physics - Force and Laws of Motion
How can we derive newton's 1st law of motion with the 3rd law mathematically?
Asked by Arkajyoti Banerjee
11th October 2014,
12:58 AM
CBSE - IX - Physics - Force and Laws of Motion
A ball was moving at a velocity of 10m/s from rest and its mass is 200g. suddenly it was struck by a hockey stick which made it return along its original path at the velocity of 5m/s. What amount of impulse did act on the ball?
Asked by Arkajyoti Banerjee
20th September 2014,
5:43 PM
CBSE - IX - Physics - Force and Laws of Motion
(i) A ball was moving at a velocity of 10m/s from rest and its mass is 200g. suddenly it was struck by a hockey stick which made it return along its original path at the velocity of 5m/s. What amount of impulse did act on the ball?
Asked by Arkajyoti Banerjee
20th September 2014,
5:43 PM
CBSE - IX - Physics - Force and Laws of Motion
"The direction in which an object moves is given by the direction of velocity of the object and not by the direction of acceleration". Give an example to justify this statement.
Asked by Aravind soumi
11th September 2014,
3:35 PM
CBSE - IX - Physics - Force and Laws of Motion
A body of mass 10 kg is moving with the velocity of 10 m/s. It collides with a body of mass of 5 kg which is in rest. What is the total velocity after the collision?
Asked by Arkajyoti Banerjee
30th August 2014,
1:16 AM
