When a motorcyclist leaves the ground on a jump andleaves the throttle on (so the rear wheel spins), why doesthe front of the cycle rise up?

Q: Two horses are side-by-side on a merry-go-round: one at the edge, and one near the axis. Each horse…

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Q: When you ride a bicycle forwards, in what direction is the angular velocity of the wheels?

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Q: An open barrel is spinning with an initial angular velocity. Rain falls into the barrel, filling it…

A: When an open barrel is spinning with some initial angular speed, the barrel has initial rotational…

Q: A four-wheel vehicle of mass 1000 kg moves uniformly in a straight line with the wheels revolving at…

A: Given data: Vehicle's mass m = 1000 kg angular velocity ω=10 rad/s wheel's radius r = 0.2 m time t =…

Q: Why the flywheel's mass centralize in its outer edge?

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Q: Calculate the Torque that a child must apply to swing a rock of mass 0.5 kg in a radius 1.16 meters.…

A: mass of rock (m) = 0.5 kg radius (R) = 1.16 m Initial velocity (u) = 0 msfinal velocity (v) = 5…

Q: Two gerbils run in place with a linear speed of 0.55 m>s onan exercise wheel that is shaped like…

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Q: uniformdisk that can rotate around its center like amerry-go-round. The disk has a radius of2.00 cm…

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Q: A four-wheel vehicle of mass 1000 kg moves uniformly in a straight line with the wheels revolving…

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Q: A discus thrower accelerates a disc with mass of 2 kg from rest wit four full turns (revolutions)…

A: We have givenMass of disc (m)=2 kg Four turn of revolution (θ)=4×2π=8π  radInitila velocity u=0…

Q: What is the final velocity of a hoop that rolls without slipping down a 6.00–m–high hill, starting…

A: Solution: given that h = 6 m

Q: A wheel rolls without slipping to the right. At the point marked with an "X", what angle does the…

A: Given:Wheel is rolling without slipping.let the mark be at distance r from center.Let the radius of…

Q: What is rotational inertia, and it is similar to inertia?

A: Rotational inertia depends on the distribution of mass about an objects axis of rotation.

Q: A bicycle mechanic mounts a bicycle on the repair stand and starts the rear wheel spinning from rest…

A: Given : Initial angular velocity (wo) = 0 Final angular velocity (w) = 200 rad/s Time (∆t) = 4.00 s

Q: When one of the authors was a teenager, the rate of rotation for popular music records on a record…

A: When one of the authors was a teenager, the rate of rotation for popular music records on a record…

Q: (I) Calculate the translational speed of a cylinder when itreaches the foot of an incline 7.20 m…

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Q: On the basis of the law of conservation of angular momentum, discuss why a helicopter must have more…

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Q: The cars in a soapbox derby have no engines; they simplycoast downhill. Which of the following…

A: Rotational Energy of any car can be given as,

Q: Two inclines have the same height but make differentangles with the horizontal. The same steel ball…

A: When the ball rolls from the top of the incline to its bottom, the potential energy due its height…

Q: a) Arigid wheel is rotating with is non-constant velocity. Show that the resultant acceleration of…

A: As per guidelines, question (a) is answered. For the remaining question to be answered, post that…

Q: What is the angular momentum of a wheel with a moment of inertia of 5.37 kg-m2 turning at 10.0 rpm?

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Q: What's the difference between the angular velocity of the second hand of a wrist watch and the…

A: Solution: as given that To find the difference between the angular velocity of the second hand of a…

Q: On a rotating turntable, does tangential speed vary with the distance from the center?

A: The tangential speed is given by

Q: A tree of 35 m length and a mass of 500 kg is chopped down. Consider the situation when the tree…

A: Draw the free-body diagram of the tree when it is about to hit the ground. From the free…

Q: When a car drives off a cliff it rotates forward as it falls. For a higher speed off the cliff, will…

A: After driving off a cliff, the front wheels lose contact with the edge of the cliff, so the ground…

Q: What is law of inertia for rotating systems in terms of angular momentum?

A: According to Law of conservation of angular momentum if there is no unbalanced external torque acts…

Q: As a dancer performs a pirouette on her toes and draws her hands closer and starts spinning faster.…

A: Conservation of angular momentum explains this.

Q: Suppose David puts a 0.60-kg rock into a sling of length1.5 m and begins whirling the rock in a…

A: Firstly moment of inertia of rock moving in horizontal circle will be calculated as follows: I=MR2 I…

Q: When considering rolling friction, we say the wheel is sliding across the surface it is in contact…

A: In rolling friction the object rolls on the surface and in sliding friction it takes place when two…

Q: If the boy on the bicycle in the preceding problem accelerates from rest to a speed of 10.0 m/s in…

A: Given values-  Change in velocity=dv=vf-vi=10ms-0ms=10ms Time = dt =10 s

Q: agnitude of the angular acceleration from least to greatest (that is, least occurs fırst, greatest…

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Q: When a diver first leaves the diving platform their body is stretched out. When they tuck, what…

A: We have to answer the following: When a diver first leaves the diving platform their body is…

Q: If a wheel, turning at a constant angular speed, makes ten complete revolutions every second, what…

A: The number of revolutions every second made by a wheel is given as,

Q: Describe about Angular Acceleration as a Vector?

A: Angular acceleration is the value we get after differentiating angular displacement twice with…

Q: Insottball,the pitcher thYO WS under hand With the arm qully 0-154 kg, leaves the hand at aspeed 07…

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Q: Suppose the polar ice sheets broke free and floated toward Earth’s equator without melting. What…

A: The expression for angular momentum (L) is: L=Iω Here, I is the moment of inertia, ω is the angular…