What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 25.0 km/h?

Q: Lola can do a loop-the-loop on a skateboard of radius  4.9 m. What is the minimum speed needed for…

A:

Q: An object is initially moving in uniform circular motion. The object is connected to an inelastic…

A: When an external force is applied to an object moving in a uniform circular motion, the radial…

Q: A car is going around a loop-the-loop track. If the car is given an initial speed of 4.0 m/s, what…

A: Draw the free-body diagram of the car at the top of the loop.

Q: A roller-coaster car has a mass of 1220 kg when fully loaded with passengers. As the car passes over…

A: Given data- The mass of the roller coaster is m=1220 kg Radius of he circular hill is r=18.1 m

Q: Omar can do a loop-the-loop on a skateboard of radius 4.9 m. What is the minimum speed needed for…

A:

Q: all black with mass 0.0700 kg slides in a vertical cir r track. There is no friction bětween the…

A: Mass of block = 0.0700 kg  Circular path radius R = 0.800 m  Normal force at bottom Nb = 4.00 N

Q: You are rounding a curve on the road. The speed limit is 50mi/hr and the radius of curvature of the…

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

A:

Q: A ball is on the end of a string. The ball is being swung in a vertical circle at a constant speed.…

A: Given Data: The length of the string s: l=1.16 m The mass of the ball is: m=1.60 kg The maximum…

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

A:

Q: A child twirls a small 59-g ball attached to the end of a string (r = 1.04 m) so that the ball…

A: Given,Weight of ball (m) = 59 gRadius of string (r) =1.04 mTo Find,Speed at position 1Tension in…

Q: An engineer is trying to determine the speeds at which she can swing a 400kg wrecking ball without…

A:

Q: A woman places her briefcase on the backseat of her car. As she drives to work, the car negotiates…

A: It is given that, r=49.7 mv=14.3 m/s

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

A:

Q: nd 4. A 22.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rev/min. What…

A:

Q: A roller coaster goes inverted around a loop. The radius of curvature of the track is 8.0m. If a…

A:

Q: A roller coaster car goes over a hill, which can be modeled as a portion of a circular arc, at a…

A: The free body diagram of roller costar car when it is on top of the hill is as follow: For…

Q: A 1000 kg car is driving around a banked, circular track (if you are unsure of what a banked turn…

A:

Q: Circular motion, banked track, with friction: How slow can you go? A car drives in a circular path…

A: Solution: a). The free-body diagram is shown in the figure given below.

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 0.50-kg ball on the end of a rope is moving with uniform speed in a vertical circle of radius 3.0…

A: The solution for this question has been given below.

Q: 1500 kg vehicle is rounding a frictionless-banked curve which is elevated at 25° incline. How fast…

A:

Q: Help!!

A: Given that, Radius of the earth (Re)= 6.371 × 10³ Km Or,   Re = 6.371 × 10⁶ m Let M be the mass of…

Q: If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from…

A: (a) The ideal speed be calculated as, tanθ=v2rgv=rgtanθ=140 m9.8 m.s-2tan18°=445.79≃21.11…

Q: An RC car drives around in a circle of radius 1.00 m. The coefficient of static friction between the…

A: The force that opposes the motion of a moving or stationary object

Q: If the curve on the road has a bank angle of 18 degrees and the radius of curvature is 225m. a) what…

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Q: The tension is growing! Context At your summer job, your supervisor wants to test your physics…

A: Given: The tension in the winch cable is T = 44 N The angle of the cable from the horizontal is α =…

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.