v(m/s) 50.0 40.0 30.0 20.0 10.0 -10.0 -20.0 -30.0 1.0 2.0 3.0 4.0 5.0 6.0 t(s)

Q: In the figure, block A (mass 1.7 kg) slides into block B (mass 3.0 kg), along a frictionless…

A:

Q: velocity

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Q: Grains from a hopper falls at a rate of 10 kg/s vertically onto a conveyor belt that is moving…

A: We must determine the force required to maintain the conveyor belt's constant speed.

Q: A 128 kg astronaut and his equipment are initially at rest. To move forward with a velocity of 2.34…

A: Given data:  Mass (m) = 128 kg Initial velocity (u) = 0 m/s Final velocity (v) = 2.34 m/s Force (F)…

Q: True or False: Dynamics is a branch of physics which describes the properties of the motion of the…

A: Dynamics: is the branch of mechanics (physics) that deals with the study of the motion of material…

Q: A particle with a mass of 0.1 kg is initially at rest. It experiences a constant force of 5 N for a…

A: We can find the final velocity of the particle by applying Newton's second law of motion and the…

Q: After falling from rest from a height of 30-m, a 0.50-kg ball rebounds upward, reaching a maximum…

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Q: The 100 kg block in the figure takes 5.6 s to reach the floor after being released from rest.(Figure…

A: Known mass, Time taken by the 100kg block to reach the floor, Distance covered by the 100kg block…

Q: The club was in contact with a ball, initially at rest, for about 0.0014 s. If the ball has a mass…

A: To obtain the average force in SI units of kilo newtons, first the speed of the ball needs to be…

Q: A girl riding a bicycle along a straight road with a speed of 5 m/s throws a stone of mass 0.5 kg…

A: Speed of bicycle = 5 m/s mass of stone = 0.5 kg speed of stone = 15 m/smass of girl and bicycle = 50…

Q: A soccer player kicks a 0.4 kg ball that is initially at rest so that it moves with a velocity of 20…

A: Ans:- Image-1

Q: A soccer goalkeeper accelerates a ball from rest at a speed of 15 m / s for the time that his foot…

A: Force on an object equals to change in momentum of object w.r.t. time.

Q: Big Boris (90kg) skates backward, 1.0 meter ahead of small skater Sofia (45 kg) , holding her hand…

A: Initially Sofia is 1m behind Big Boris. Now Sofia is 1m ahead of Big Boris. So displacement with…

Q: Two cars are stationary at the beginning. If the car having 500 kg mass starts to move to the east…

A: It is given that the two cars are stationary at the beginning. Mass of first car m1 = 500 kg Mass of…

Q: A 15 kg object at rest experiences 120 N of force for a duration of 0.20s. What is the final…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”