A cellphone steps into a “Graviton” and stands up against the frictional wall. The Gravitron starts to spin and the floor lowers below the cellphone but the cellphone does not accelerate downwards, she has no net force vertically. Assume: ● The radius of the Gravitron is 7.5 m ● The cellphone has a tangential velocity of 15 m/s ● The man has mass M Determine: Determine the minimum coe cient of static friction between the wall and the cellphone.

Q: elocity is An amusement ride has the passengers upside down in an inside loop. If the velocity s…

A: Given  Velocity at top V=20m/s r is radius

Q: answer A small body of mass m-2 kg swings in a vertical circle at the end of a cord of length R 10…

A: Total acceleration is the net acceleration of tangential and radial, the forces that acts on the…

Q: What is the maximum speed (in m/s) at which a car can round a corner with radius 25.0 m, if the…

A: The frictional force is given by Ff = μkN, where μk = the coefficient of static friction N = the…

Q: An airplane flys in a circular loop with radius of 750m, the pilot of the airplane have a mass of…

A:

Q: In this problem you will measure the gravitational constant in a series of “observational…

A: As per our guidelines we will solve first three subparts for you. To get remaining subparts solved…

Q: The 2860-lb car is traveling at 31 mi/hr when the driver applies the brakes, and the car continues…

A: Given: The weight of the car is 2860 lb.            The speed of the car is 31 mi/hr.            The…

Q: At a certain height above the earth's surface the gravitational acceleration is 90% of its value at…

A: We need to find-Height (h)=?Given that-gh=90100geghge=90100R=6400 km

Q: If the skier's speed at point A in the figure is 8.6 m/s , what is the normal force exerted by the…

A: Given: The mass of the skier is 64 kg. The speed of the skier at point A is 8.6 m/s. The height of…

Q: A race car starts from rest on a circular track. The car increases its speed at a constant rate at…

A: Given:- car increase at constant rate is 4.25 times around the track θ = ?

Q: curve with an acceleration of 5 m/s² and the curve has a radius of 12 m. mine the velocity the…

A:

Q: The magnitude of the force required to hold a particle with mass m in uniform circular motion with…

A: When the particle is in uniform circular motion with radius R and speed v and the centripetal force…

Q: In the figure, a car is driven at constant speed over a circular hill and then into a circular…

A:

Q: it takes a 600kg racing car 10 secs to travel at a uniform speed around a circular track with a…

A: Given data:  Mass (m) = 600 kg Time taken to complete one revolution (T) = 10 s Radius (r) = 50 m…

Q: PROBLEM 2: On an outdoor skate board park, a 40-kg skateboarder slides down the smooth curve skating…

A:

Q: 4The free-fall acceleration on the surface of the Moon is about one-sixth that on the surface of the…

A: solution as

Q: A cyclist travels round a circular track of radius 8.8 m at a constant speed of 7.6 m s-¹. a)…

A: Given that Speed (v)=7.6 ms-1 . Radius (r)=8.8 m   (a) The acceleration in cyclic path is given by…

Q: Miniature black holes. Left over from the big-bang beginning of the universe, tiny black holes might…

A: Mass of black hole ( M ) = 3 ×1011 kg Acceleration due to gravity ( g ) = 9.83 m/s2 Mass of body ( m…

Q: The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve…

A:

Q: Circular freeway entrance and exit ramps are commonly banked to handle a car moving at 13 m/s. To…

A: The maximum speed on the banked curve is directly proportional to the square root of the radius of…

Q: A string is attached to a 120-gram wooden cube. The string turns in a horizontal circle of radius…

A: Given: The mass of the wooden cube is m=120 g. The radius is r=5 cm. The angle is θ=25°.   (a) The…

Q: A 1,475 kg car moving on a flat, horizontal road negotiates a curve as shown in figure (a). If the…

A: Mass of the car, m=1475 kg   The radius of the curve, r=45 m   The coefficient of static friction…

Q: The 2-lb box slides on the smooth circular ramp. If the box has a velocity of 30 ft/s at A,…

A: as the ramp is smooth friction will be absent and thus energy will be conserved at every point.

Q: 5. A student conducts an experiment in which a ball is in a vertical circle from a string of length…

A:

Q: P.= 6 m A 1000 kg car starts from rest at point 1 and moves without 12 m 3 friction down the track…

A: Given Data Mass of the car is m=1000 kg Height of point 1 is h1=12 m Height of point 3 is h3=4.5. m…

Q: Engineering a highway curve. If a car goes through a curve too fast, the car tends to slide out of…

A:

Q: A 0.150-Kg ball on the end of a 1.10-m-long cord is swung in a vertical circle. a-) Determine the…

A: Mass of the ball (m) = 0.150 kg The length of the cord (L) = 1.10 m

Q: A conical pendulum is set up with a bob whose mass is 6.0 kg. When it is set in motion, at a speed…

A: Given:M = 6kg v =0.60m/s theta = 12degree

Q: A string can support a stationary hanging load of mass 25 kg before breaking. a) Calculate the…

A: Centripetal force is the net force required for objects to move in a circular motion. The…

Q: D-2. An automobile drag racer drives a car with acceleration a and instantaneous veloc- ity v. The…

A:

Q: Q. 2. A spherical object is projected up a slope at angle 0 with initial velocity vi. How long will…

A:

Q: On the surface of the Earth the acceleration due to gravity on an object is g. If an object is twice…

A:

Q: Pete Zaria is riding the Cliff Hanger at Great America. Pete enters a cylindrical barrel which makes…

A:

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.