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Subject: Physics, asked on 13/1/16

Sam used to walk to school every morning and it takes him 20 minutes. Once on his way he realised that he had forgotten his homework  notebook at home.He knew that if he continued walking to school at the same speed, he would be there 8 minutes before the bell, so he went back home for the notebook and arrived school 10 minutes late. If he had walked all the way with his usual speed what fraction of the way to school had he covered at that moment when he turned back. Ans is (9/20)

Subject: Physics, asked on 22/1/23

A 2 kg block is pushed up an incline plane of inclination θ = 37deg imparting it a speed of 20 m s–1. How much distance will the block travel before coming to rest? The coefficient of kinetic friction between the block and the incline plane is μk = 0.5. Take g = 10 m s–2 and use sin 37deg = 0.6, cos 37deg = 0.8.

Subject: Physics, asked on 22/1/23

send me the ans
 

Subject: Physics, asked on 22/1/23

Two blocks P and Q of masses m1 = 2 kg and m2 = 3 kg respectively are placed in contact with each other on horizontal frictionless surface. Some external force F = 10 N is applied to the block P in the direction parallel to the surface. Find the following (a) acceleration of the blocks (b) force which the block P exerts on block Q

Subject: Physics, asked on 22/1/23

What minimum force F is required to keep a 5 kg block at rest on an inclined plane of inclination 300 . The coefficient of static friction between the block and the inclined plane is 0.25.

Subject: Physics, asked on 22/1/23

A 1.2 kg block is resting on a horizontal surface. The coefficient of static friction between the block and the surface is 0.5. What will be the magnitude and direction of the force of friction on the block when the magnitude of the external force acting on the block in the horizontal direction is (a) 0 N ? (b) 4.9 N ? (c) 9.8 N ?

Subject: Physics, asked on 21/1/23

A glass half filled with water is kept on a horizontal table in a train. Will the free surface of water remain horizontal as the train starts?

Subject: Physics, asked on 21/10/22

Please answer the ques

Subject: Physics, asked on 21/10/22

Dear Experts, please provide the answer of the following question.

Subject: Physics, asked on 15/10/22

Dear Experts, please provide the answer for the following question.

Subject: Physics, asked on 10/10/22

if 12N and 16N of force are perpandicular to each other acting on mass 200kg find the acceleration produced ?

Subject: Physics, asked on 1/9/22

Pls ans the ques
Asap

Subject: Physics, asked on 27/8/22

Please answer Q 14 & Q 15

Subject: Physics, asked on 1/8/22

In the figure a small particle m strikes the rod l and sticks to it .find the angular velocity of rod.

Subject: Physics, asked on 21/7/22

instantaneous velocity of a particle is given as V = 5e^t metre per second .find the average acceleration and average velocity of particle between instant t1 =2sec and t2=4 seconds .when t is equal to zero ,x=0.

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