A book sitting on a table, a puck sliding across frictionless ice, a child sitting on a merry-go-round turning at constant speed, a man leaning against a wall, a rock falling at constant terminal velocity, a car driving around a curve at a constant speed of 40 mph, a man pushing a box across a frictionless surface, a soccer ball placed on the grass, and air inside and outside of an inflated balloon. For all classify a) the netforce (0 or nonzero) and b) which newtons law it best demonstrates (1st, 2nd, 3rd).

Q: A 2.8 kg ball strikes a wall with a velocity of 6.7 m/s to the left. The ball bounces off with a…

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Q: Training is over, and the zombie apocalypse is upon us. You are at the top of a 50-m-high hill. A…

A: The velocity of the car at the bottom of the hill is:

Q: Problem 5. A box of mass m is sliding across a table (H = 1.5 m tall) with an initial speed of vo =…

A: Step 1: Given  Step 2: Calculation for part (a)  Step 3: Calculation for part (b)  Step 4:…

Q: The speed of a 110-g toy car at the bottom of a vertical circular portion of the track is 8.25 m/s.…

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Q: . Find the coefficient of kinetic friction between the runners of the sled and the s

A: Given that Horizontal Force, F = 23 N Mass of the body/sled , m= 20kg Initial speed of the body/sled…

Q: Two objects are at the top of a frictionless slope, object A has twice the mass of object B. If you…

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Q: For a short time, the 400-kg roller-coaster car with passengers is traveling along the spiral track…

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Q: A guy dives from a cliff of height H at an initial speed 0 (for simplicity). During the first phase…

A: Given that: The height of the cliff is H The initial speed is u= 0 Touchdown speed at the water…

Q: A constant force acts on a body of mass 0.9 kg at rest for 10s. If the body moves a distance of 250…

A: Given data, Mass of the body m = 0.9 kg Body is initially at rest u = 0 m/s Distance traveled S =…

Q: A 19-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 32 N.…

A: GivenMass of the sled is Applied horizontal force is Initial speed of the of the sled is Final speed…

Q: Two children are sliding down a snowy hill which is inclined by 40.9 degrees with respect to…

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Q: A 75 kg P1020 student standing on a scale in a moving elevator looks down at the scale and notes…

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Q: A skier slides down a hill in a straight line. The hill is 60m high and the coefficient of kinetic…

A: Given. M = 70 kg a = 20° u = 0.1 h = 60m

Q: 100 kg 20° mo 90 kg 105 kg O 101 kg O 100kg

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Q: A driver in a 2290-kg car car traveling at 42.7 m/s slams on the brakes and skids to a stop. If the…

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Q: A roller-coaster vehicle has a mass of 509 kg when fully loaded with passengers (see figure). 10 m…

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Q: ŁOne non-powered sled is sliding over a snowed surface, first down from the top of Rat and inclined…

A: Given: The inclination of the plane surface with horizontal is 45 degrees The top of the inclined…

Q: radius R without slipping, the friction force acting on the car and the normal force

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Q: Bret drops a box full of physics equipment while moving it to the lab. The box starts sliding down…

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Q: In a research facility, a person lies on a horizontal platform which floats on a film of air. When…

A: This question is based on law of conservation of linear momentum. For an isolated system linear…

Q: coefficient of friction between the tires of Shirley's 1985 Ford Coupe and the dry pavement is 0.71.…

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Q: Jason takes off down a 40 m high hill with a slope inclined at 20° on his jet powered skis with a…

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Q: A stone with a weight of 4.89 N is launched vertically from the ground level with an initial speed…

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Q: An airplane of mass 3.60 x 10° kg experienced problem in all its tyres when it was about to touch…

A: Mass of the airplane, M = 3.60 x 105 kg Displacement of airplane, d = 728 m Coefficient of Kinetic…

Q: A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.6 m/s.…

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Q: A block of mass 13 kg is given an initial speed of 12 m/s, after which it slides across a horizontal…

A: initial speed = 12 m/s d = 18 m mass = 13 kg

Q: You are driving your 1450-kg car on a straight highway at 67 mph when a deer jumps out into the…

A: (given) Mass of driving car =1450 kg           Speed of car = 67 mph =67/3600 =0.02 m/s…

Q: A 100 kg skier starts from rest at the top of a ski slope that is 50 m long. If his final speed at…

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Q: A skater starts from rest at the top of a frictionless hill that is inclined at 12⁰ with the…

A: Given : coefficient of friction between snow and skis, μ = 0.125              angle of inclination,…

Q: I kg is initially A wedge of mass driven up a frictionless ramp by a horizontal force F = 50 N due…

A: Since you have posted question with multiple sub-parts. We will solve first three sub-parts for you.…

Q: The coefficient of friction between the wheels of Yamaha motorcycle and the dry pavement is 0.79. An…

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Q: The track near the top of wonderland's roller coaster is looped with a diameter of 18 m. When you…

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Q: A roller-coaster vehicle has a mass of 505 kg when fully loaded with passengers (see figure).   (a)…

A: a) The expression for force of the track on the vehicle is F=mg+v2r Substitute values in the above…

Q: A 2.0- kg box is moving at constant speed of 2.0m/s on a frictionless horizontal floor. You apply a…

A: Given Mass of a bix = 2.0 kg  box is moving at constant speed = 2.0m/s frictionless horizontal floor…

Q: An object of mass m=2 kg placed on a rough horizontal surface is given an initial speed of 10 m/s…

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Q: Bank robbers have pushed a 1000 kg safe to a third-story floor-toceiling window. They plan to break…

A: Let M denotes the mass of the safe, m denotes the mass of the furniture, f denotes the friction…

Q: A hockey puck with mass 0.166 kg is pushed across the ice with a constant force of 0.89 N. The…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.