A child is playing with a car track, which has a loop of radius 23 cm as shown in the figure, when the car is at the highest point of the loop it has a speed of 7.5067 m /s, if the car has a mass 45 g, then we can say that the value of the normal force exerted by the track on the car at that point is: V R a) N = 3.087 N b) N = 10.584 N c) N =1.764N |3D d) N = 11.466 N

Q: A 3.00-kg ball swings rapidly in a complete vertical circle of radius 2.00 m by a light string that…

A: Answer: The work done on it by gravity is -118J and the work done on it by the tension in the string…

Q: A ball of mass 2 kg is tied to one end of a string of length 1 m and the other end of the string is…

A: Given-Mass (m) = 2 kg = 2000 gLength (L) = 1 mSpeed of ball at lowest point (s) =15 msθ = 30°g = 10…

Q: a) Determine the velocity of the block at B (m/s) (b) Determine the velocity of the block at C (m/s)…

A: a) For A to B, The block’s velocity at B can be determined by the work-energy theorem and using the…

Q: 92. A 2 kg ball is attached to a 0.80 m string and whirled in a horizontal circle at a constant…

A: Given: Mass m = 2kg Length of string L = 0.80 m Speed = 6 ms. To determine: The work done on the…

Q: How much gravitational potential energy (in J) (relative to the ground on which it is built) is…

A:

Q: A car going in a circle with a constant speed v. How much work is done by the centripetal force F on…

A: Centripetal force act in radially inward and the car is moving in tangential direction of the…

Q: How much work is done from point A to B by friction ?

A: Given: mass of car = 110 kg. at vertical loop velocity at the bottom (v1 ) = 25 m/s velocity at top…

Q: A car traveling in a circle with a uniform speed of 10 m/s means that each cycle around the 10…

A: Given 1. Uniform speed = 10 m/s length of circumference = 10 m We have to calculate the time taken…

Q: 13. A man moves the 0.1 kg object shown in a vertical plane from position X to position Y along a…

A: We know that , work done = mgh Given that , Mass = .1 kg Radius = 2 m

Q: At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls…

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Q: A roller coaster car of mass, m, enters the bottom of a frictionless vertical loop of radius 12.0m…

A:

Q: A 2,000-kg minivan is traveling on level ground at a constant speed of 10 m/s in a circle of radius…

A: Given data: Mass (m) = 2000 kg Speed (v) = 10 m/s Radius of circular path (r) = 50 m Required: Work…

Q: The car's mass is M = 0.6 kg and the radius of the hill is R= 0.4 m. The car's kinetic energy at the…

A:

Q: The figure below shows a roller-coaster vehicle on a track. The vehicle is fully loaded with…

A: (a) The expression for the force exerted by the track on the car is as follows: FA=mg+mvA2r1…

Q: At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls…

A: Radius of the room, R = 8.8 m Acceleration due to gravity, g = 9.8 m/s2 Coefficient of friction…

Q: A snowboarder drops from rest into a halfpipe of radiusR and slides down its frictionless surface to…

A: a)PEi at top = mgRKEi at the top = 0PEf at top = 0KEf at the top = 1/2mv2

Q: At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls…

A:

Q: A roller coaster goes through a loop with radius 10 m (at the top). What speed is necessary for the…

A:

Q: A 0.6-kg mass attached to the end of a string swings in a vertical circle (radius = 2 m). When the…

A:

Q: M = 825kg R = 9m 0 = 75° D = 11m We're trying to design a roller coaster such that a cart with total…

A: According to work - energy theorem  Work done by all forces = change in kinetic energy Work done by…

Q: A 1.2-kg tether ball is attached to one end of a light, uniform 1.5-m-long rope which is attached to…

A:

Q: An engineer is working on a new roller coaster, and he begins by making a scale model. On this…

A:

Q: A. True B. False Q.4: A 1-kg particle is attached to the end of a rope (J). it rotates in a vertical…

A:

Q: A 0.50-kg ball that is tied to the end of a 1.4-m light cord is revolved in a horizontal plane, with…

A:

Q: question 22 please

A: Let the tension in one of the chain connected to the swing at the lowest point be denoted by T.The…

Q: An engineer is working on a new roller coaster, and he begins by making a scale model. On this…

A: This problem can be solved using the mechanical energy conservation principle. According to this…

Q: A cart of mass m= 303 kg is going around a circular loop-the-loop. There is no motor. The cart moves…

A: Given, Radius = 18 m mass of cart = 303 kg Normal force at top = 1328 N

Q: A boy takes a 2.0-kg rock and ties it to the end of a light, uniform, 0.80-m-long rope. He then…

A: At the top of the circle, there will be three forces, the tension on the rope, the weight of the…

Q: The car's mass is M = 0.6 kg and the radius of the hill is R= 0.4 m. The car's kinetic energy at the…

A: We know that: The mass is M=0.6 kg The radius is R=0.4 m KE=1.3MgR Calculating the speed of the…

Q: A light rod is 88 cm long. Its top end is pivoted on a low-friction horizontal axle. The rod hangs…

A: Given that:- Length of light rod=88cm

Q: A 0.50-kg ball that is tied to the end of a 1.1-m light cord is revolved in a horizontal plane, with…

A:

Q: A ball of mass 2.3 kg, at one end of a string of length L=D4.5 m, rotates in a vertical circle just…

A: Solution: gaven that  m = 2.3 kg length = radius = L = 4.5 m

Q: A motorcyclist performs uniform circular motion on a globe of death with a radius of 4.00 m. It has…

A: Given, Radius of globe of death ,r = 4.0 m  Speed ,v = 10.9 m/s  Mass = 200 kg  g = 10.0 m/s2

Q: The car is fully loaded with passengers and has a total mass of 575 kg. At point A, the car is at…

A:

Q: An engineer is working on a new roller coaster, and he begins by making a scale model. On this…

A: vo=1.5 m/sinitial height, h1=2 mmass of car,m=0.5 Kgfinal height at A, h2= 1.9 m

Q: The “Giant Swing” at a county fair consists of a vertical central shaft with a number of horizontal…

A:

Q: A 0.7-kg mass attached to the end of a string swings in a vertical circle (radius = 2.3 m). When the…

A:

Q: A light, rigid rod is 77.0 cm long. Its top end is pivoted on a frictionless, horizontal axle. The…

A: Length of rod (L) = 77 cm Radius of path = 77 cm H = 2R = 2×0.77 m = 1.54 m

Q: A 0.6 kg mass attached to the end of a string swings in a vertical circle (radius = 2.1 m). When the…

A: Mass of the object attached at the end of the string, m=0.6 kg   The length of the string, r=2.1 m

Q: small cube (M = 0.45 kg) is at a height of 315 cm up a frictionless track which has a loop of…

A: m=0.45 Kg h=315-(2*47.25) = 220.5 cm = 2.205 m   law of conservation   (1/2)*m*v^2 = m*g*h

Q: The figure shows a ball with mass m = 0.69 kg attached to the end of a thin rod with length L = 0.99…

A: Hi, as this problem contains multiple sub-parts, hence the first three sub-parts will be solved for…

Q: A massless spring of constant k = 78.4 N/m is fixed on the left side of a level track. A block of…

A: Given, Spring constant, k=78.4N/m. Mass of block, m=0.50Kg. The coefficient of kinetic friction…

Q: A matchbox car track begins at a height y=1.0, goes down hill to y=0, goes around a vertical loop of…

A: We know, the centripetal force is given by F=mv2r The force on the car due to gravity is given by…

Q: A cart of mass 14 kg moves inside a vertical circular track of radius 13 m, as shown in the figure.…

A: Given data- mass of cart m=14 kg Radius of circular track R=13 m Normal force exerted by the track…

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.