A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 880 N on him. The mass of the losing player plus equipment is 86 kg, and he is accelerating at 2.6 m/s2 backward. f = 880 Nm1 = 86 kgm2 = 118 kga = 2.6 m/s2 What is the magnitude of the force in friction, in newtons, between the losing players feet and the grass as he slides backwards?

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Q: 2. Determine the force exerted by the floor on you. c. 4371.72 N а. 4271.72 N b. 4171.72 N d.…

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Q: 16. 100. kg Joe Burrows of the Cincinnati Bengals runs 7.67 m/s directly up the middle on a…

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Q: Problem 1:  A student of mass m = 72 kg runs at a velocity vi = 1.53 m/s before jumping on a…

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Q: A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has…

A: Thrust = Rate of fuel consumption x relative velocity Thrust= 1656x103 N

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Q: how would you sovle this>?

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A: In this case, the charges have the same sign. So the force would be repulsive.   The expression for…

Q: The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously…

A: a) Since the charges have same charge, so they are repulsive. The magnitude of force between them is…

Q: A BB gun is fired at a cardboard box of mass m2 = 0.75 kg on a frictionless surface. The BB has a…

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Q: Fill in the blanks  Constant hanger mass (kg)=  0.020 kg Constant net force (N)= hanger mass x g…

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Q: Two ice skaters suddenly push off against one another starting from a stationary position. The 45-kg…

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Q: What is the change in velocity of a 0.45 kg grocery cart if you exert a force of 2.5 N on it for 1.5…

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Q: Consider the following diagram. A force of 60 N acts on 20.0 kg and 10.0 kg blocks that are adjacent…

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Q: A rocket whose initial mass is  14,900 kg is in deep space and consumes fuel at a rate of  74.5 kg…

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Q: F D three blocks are in contact with each other and their masses are: m (A) = 44.4 kg, m (B) = 34.4…

A: By newton's second law of motion. F=ma Fk=frictional force= μN

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Q: A man of mass m = 65 kg jumps off a table at height h = 2 m. While hitting the floor he bends his…

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Q: A rocket whose initial mass is  12,500 kg is in deep space and consumes fuel at a rate of  62.5 kg…

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Q: The average speed of a nitrogen molecule in air is about 6.70∗10 2 m/s, and its mass is 4.68∗10 -26…

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Q: A system of three particles with masses m1 = 3.0 kg, m2 = 4.0 kg and m3 = 8.0 kg is placed on a two…

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Q: particle of mass m1 accelerates at 5.00 m/s2 when a force F is applied. A second particle of mass m2…

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Q: Two ice skaters suddenly push off against one another starting from a stationary position. The 45-kg…

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Q: A small engine causes a 0.20-kg model airplane to accelerate at a rate of 12 m/s2 . What is the net…

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Q: Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.