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Q: The lower part of the platform, whose vertical section is seen in the figure, is bent in the form of…

A: Given: The figure of an inclined platform with circular rail at the bottom is given. h is the height…

Q: VA R В

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Q: Ezra geta excited and starta to awing the ball fanter around the circle. When the ball is at the…

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Q: A roller coaster car goes around a loop-the-loop, so it is upside down at the top at point A. The…

A: At the highest point A the normal force is balanced by the centripetal acceleration. Therefore,…

Q: Ar a circus, a stunt rider is going to do a Loop-de-Loop. The radius of the circular part of the…

A: Radius, r = 8.13 m Mass, m = 318 kg Speed, V = ?

Q: determine the minimum speed that Diavolo must have at the top of the loop to maintain contact with…

A: Newton's Second Law of motion According to Newton's Second Law of motion, the rate of change of…

Q: As a roller coaster crosses the top of a 50 m diameter loop the loop, it’s apparent weight is the…

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Q: A smooth ball of mass m slides down a frictionless incline (see figure). The ball is released a…

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Q: (a) Consider a box that is subjected to a constant net force F. The constant net force includes the…

A: a kinematic equation is           vf2-vi2 = 2a∆x              ∆x= vf2-vi22a  work done is…

Q: Point A, at the top or the circle od radius R is connected to different points on this circle with…

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Q: Modern roller coasters have vertical loops like the one shown in the figure below. The radius of…

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Q: A possible new Olympic snowboarding event has boarders slide down a concave hill from point A and…

A: Free body diagram at P:

Q: In an amusement park roller coaster ride, a car starts from rest at point A and races through a…

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Q: The mass of a roller coaster car, including the riders, is 512 kg. The path of a portion of the ride…

A: SOlution: Given that m = 512 kg VA = 12.8 m/s VB = 22.5 m/s rA =18.8 m rB =10.2 m rC =6.6 m

Q: (a) Consider a box that is subjected to a constant net force F. The constant net force includes the…

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Q: A roller coaster cart is released at the top of a frictionless track at the point A (see Figure…

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Q: Malar is playing with a toy car track set and has made a vetical loop she wants to send a 150-gram…

A: Given of car =150 g Height of which she releases radius o loop =20 cm

Q: hello guys. can you solve it? thank you...

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Q: A long straight wire and a rectangular loop lie in the same plane, as shown in the the figure above,…

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Q: A puck is sliding around a circular track that is banked at an angle o with respect to the…

A: Given that:v=32.7 m/sR=414 m

Q: A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill,…

A: Initial speed (u) = 0 msRadius of second hill (R) = 35.7 m The height of first hill = h

Q: An electric motor is used to drive the shaft of a small water pump During a performance test, the…

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Q: roller coaster cart is released at the top of a frictionless track at the point A (see Figure…

A: Apparent weight = Normal reaction For circular motion object requires centripetal force which is…

Q: A rollercoaster car starts at rest at some initial height h0 and then rolls down an incline. At the…

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Q: A roller-coaster car may be represented by a block of mass 40.0 kg. The car is released from rest at…

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Q: In the figure the pulley has negligible mass, and both it and the inclined plane are frictionless.…

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Q: A wind turbine on a wind farm turns in response to a force of high-speed air resistance, R=0.5DρAυ2.…

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Q: A roller coaster car may be approximated by a block of mass m. The car, which starts from rest, is…

A: The minimum initial height has to be 2.5 times the radius R of the cart (Also expressed in terms of…

Q: A roller coaster car filled with passengers has a mass of 4800 kg. What speed must it have at the…

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Q: The figure shows a ball attached to one end of an ideal string of length L=1.1 m. The string's other…

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Q: An accelerometer C is mounted to the side of the roller-coaster car and records a total acceleration…

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Q: A massless spring of constant k = 88.2 N/m is fixed on the left side of a level track. A block of…

A: The spring constant is, k=88.2 N/m.The mass of block is, m=0.50 kg.The coefficient of kinetic…

Q: A car rounds a level (unbanked) curve with a radius of 95 m without skidding at a speed of 25 m/s.…

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Q: In the figure, a small block of mass m = 0.021 kg can slide along the frictionless loop-the-loop,…

A: Given data: Mass of the block, m=0.021 kg Radius of the loop, R=13 cm=0.13 m Height from which the…

Q: A ball of mass m is attached to a string of length L. It is being swung in a vertical circle with…

A: Let Tt be the tension on the string at the top position, Tb be the string’s tension at the bottom…

Q: calculate the power available with (a) υ=8.0 m/s and (b) υ=24.0 m/s.

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Q: A mass m = 77 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with…

A: Part-a The mass of the block m = 77 kg. The radius of the loop R = 19.9 m. The height of the…

Q: than on the sides so that the downward centripetal acceleration at the top will be greater than the…

A: Radius of curvature (R) = 16 mAcceleration (a) = 1.5 g

Q: A car in an amusement park ride rolls without friction around a track. The car starts from rest at…

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Q: And don't worry about whether the passengers would actually survive the trip. They are lightweight…

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Q: Problem L A roller-coaster car is moving on top of a vertical loop, as shown. The speed when it is…

A: The speed of car is v=15 m/s. The radius of loop is r=50 m. The mass of car is m=150 kg.

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.