An 80N weight is swung in a vertical circle at the end of a cord of 1.20m long. If the velocity of the weight a the top is 4m per sec,what is the value of the tension in the cord at 150 degrees pasr the top position?

Q: let's consider a Particle moves in circular orbit, find force equation. r is const

A: We have a particle moving in circular orbit of radius say r. At time t let the particle be at any…

Q: A car moving at 73 km/h negotiates a 91-m-radius banked turn designed for 45 km/h. What’s the…

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Q: Turn to chapter 4, problem 46, expect let's have the cliff angled at 21 deg., the skier launching at…

A: Given: Expect let's have the cliff angled at 21 deg., the skier launching at 20 m/s, and the cliff's…

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Q: A 834 kg automobile is moving at a maximum speed of 33 m/s on a level circular track of radius 362…

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Q: A child sitting 1.40 m from the center of a merry -go- round moves with a speed of 1.55 m/s ,…

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Q: The loaded cab of an elevator has a mass of 1.40 × 103 kg and moves 186. m up the shaft in 16.0 s at…

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Q: Friction is needed for a car rounding a curve. But, if the road is banked, friction may not be…

A: Consider the car’s FBD on the banked road (assuming no friction). Here, Mg is the car’s weight and…

Q: A car moves at speed v across a bridge made in theshape of a circular arc of radius r. (a) Find an…

A: Step 1 The free body diagram of the situation stated is as shown

Q: A string 0.6m long is used to whirl a 1.5-kg yoyo in a vertical circle at a uniform velocity of…

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Q: What is the smallest radius R about which an automobile can turnwithout skidding at 100 km/h if μ =…

A: For not skidding, the centripetal force is balanced by the friction force.  μ m g =m v2R where, v is…

Q: Please see attached image for question. Thank you!

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Q: A 902 kg automobile is moving at a maximum speed of 37 m/s on a level circular track of radius 216…

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Q: A circular automobile racetrack is banked at an angle θ, to the horizontal, such that no friction…

A: Solution: Given that ; No friction condition V = 30m/s r = 400 m Fnet = Fcentripetal force mg tanθ…

Q: bläs 4 The net force causing the centripetal acceleration can be evaluated EF = m.ac = m(v^2/r) O EF…

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Q: An elevator weighing 15kN starts from rest and acquires an upward velocity of 3m/sec in a distance…

A: Given that: Weight of the elevator: W=15 kNMass of the elevator: m=Wg=15×1039.81=1529.05 kgInitial…

Q: 7/1norder to swing a O.l kg mass tied to one enc of a cord In a hori2ontul çircle of tangemial Spel…

A: 7) given, Mass (m) = 0.1kg Radius of circle (r) =0.5m Tangential speed (v)= 0.2m/s.

Q: If a 1100kg-car makes a circular turn with a radius 15m on a  at road how fast can it go without…

A: The idea is that the static friction force of:     F = u m g = 0.5 * 1100 *9.8 = 5390 Newton   5390…

Q: a curve in a highway as a radius of 120m and is banked at 3degrees .on a day when the road is icy…

A: θ=3.00 r = 120m g = 9.8 m/s2

Q: A fire acrobat is swinging a fireball attached to a 61m string in a vertical circle. If the fireball…

A: The given data are listed below with appropriate variables. Here, L denotes the length, v denotes…

Q: a vehicle with a mass of 2.5x10^3 kg is driving at a speed of 56 km/h around a level roadway with a…

A: Given , mass of vehicle , m = 2.5×10-3 kg             Speed , v = 56 km/hr =56×518 = 15.56 m/s…

Q: Right after Princess Peach has thrown a turtle shell at Mario to take the lead, she comes up on a…

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Q: A car can go around a curve of radius 43m at a speed of 12 m/s without skidding . What is the angle…

A: Given that:- R=43 mv=12m/sg=9.8 m/s2θ=?

Q: 9H atudent atachos a muss of 6.5ng to one end of a rope. The Studente then Swings the maso ina…

A: 9 Given  Mass m=0.5kg Radius r=1m Tangential speed v=4m/s

Q: If a car travels at 15m/s and the track is banked , what s the smallest radius(m) it can travel…

A: The condition for no skidding in a banked road is given by:- mv2/r = mgtanø r= v2/gtanø

Q: A 25g ball is swinging at the end of a rope in a circle. If the tension in the rope is 5N, and the…

A: m = 25 g T = 5 N v = 10 m/sLength of rope ??

Q: A stuntman whose mass is 70 kg swings from the end of a4.0-m-long rope along the arc of a vertical…

A: Given,

Q: A0.30-kg object is şwung in a vertical circular path on a string 0.40 m long. It its speed is 5.0…

A: given data, mass of object, m = 0.30 kg radius of the circular path = length of string, r = 0.4 m…

Q: A car rounds a banked curve of radius R, at a speed V that is smaller than that given by the…

A: Given: Speed,V=rg tanθ Coefficient of friction,μ=0

Q: A curve in a ro ad has radius of 240 m. IF the road surface is level and on a rain day the coe…

A: Given that, Radius = 240 m Coefficient of static = 0.48

Q: A car goes around a curve on a road that is banked at an angle of21.5°. Even though the road is…

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Q: During an Olympic bobsled run, the Jamaican team makes a turn of radius 7.6 m at a speed of 96.6…

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Q: How Can we measure qravitahonal acceleration using an inclined pian?

A: Suppose a block is placed on an inclined plane with an inclination thetha.

Q: vAn engineer propa rond. Bonkingy thent is Svoh at cerrain Speed, friction ut all is needed Gur the…

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Q: Give a numerical estimate of the minimum safe radius of curvature ?minrmin for an unbanked, circular…

A: Let,f=centripetal forceFN=Normal forceM=mass of the vehicleg=gravitational accelerationFc=…

Q: A 100 g bolo is swung in a circle 60 cm in radius at a speed of 10 m/sec. What is the centripetal…

A: Newton's second law states that the net force acting on an object produces an acceleration in the…

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.