5. A child rides a bicycle in a circular path with a radius of 2.0 m. The tangential speed of the bicycle is 2.0 m/s. The combined mass of the bicycle and the child is 43 kg. What is the centripetal force on the pair? O 2 N O 4N

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: a) Angular speed = (88.2/4.95 )1/2                                 = 4.22 rad/s

Q: A 80 Kg man rides a spinning amusement park ride that has a radius of 10.8 m. If the person's…

A: Given data :              Mass of the man , m = 80 kg              Radius , r = 10.8m…

Q: An athlete swings a 3.40-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A: Given that:m=3.40 kgr=0.600 mω=0.650 rev/s

Q: roller coaster consists of a hollow cylindrical radius r=2.4 m. Riders stand along the inside of the…

A: Hollow cylindrical radius R =2.4 mAngular speed of coster w = 33 rpmMass of rider m = 50kg.

Q: (a) Find the angular speed w at which it is spinning. (b) Find the centripetal acceleration, ac with…

A: (a) The relation between angular velocity and frequency is:

Q: s of the Earth is 6380 km calculate the tangential velocity of a person at the equator caused by the…

A: Given : Earth's radius, R=6380 km We know, Tangential velocity or linear velocity is motion of…

Q: A 80kg person sits 2m from the center of the rotating platform and the platform has a tangential…

A: Given data *The mass of the person is m = 80 kg *The distance of the center of the rotating platform…

Q: fixed axis 0.69 m away. The mass is initially at rest and undergoes a constant angular acceleration…

A: Given: The Mass(m)= 0.39 kg. The distance (R)= 0.69 m. The angular acceleration α=4.77 rad/s2 The…

Q: y m k m X Consider the above system of two blocks connected by massless frictionless pulley and…

A: Since gravity, spring force are conservative force field, so yes energy will be conserved Along x…

Q: An athlete swings a 5.50-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A:

Q: A 20.0-kg child sitting 1.20 meters from the center of a merry-go-round moves with a tangential…

A: Given: The mass of the child m = 20 kg            The distance from the center of a merry-go-round r…

Q: goes in a horizontal circle 25 times in 3.75s. What is the tangential acceleration on the ball if…

A:

Q: 5. A high-speed ultracentrifuge spins a biological sample in a test tube in order to separate the…

A: a) Convert the value of angular speed.

Q: A car of mass M= 1400 kg traveling at 65.0 km/ hour enters a banked turn covered with ice. The road…

A:

Q: 2.) A spinning, flat disk of radius 2.0 m has a tangential velocity at its edge of 4.5 m/s. a.…

A:

Q: A ladybug traveling with tangential velocity v sits halfway between the axis and the edge of a…

A:

Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 3.50 min. (a) What is its angular…

A:

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: Centripetal acceleration =ω2R Linear speed=V=ωR where ω=angular speed R =radius

Q: At Marquette's latitude, the distance from the surface of Earth to the north-south rotation axis of…

A: distance (r) = 4.39×106 m Time period of earth due to daily rotation = 24 hr

Q: A particle is moving in a circle of radius 0.40 m. At an instance when the angular speed is 2.0…

A: Given: The radius of the circular path is 0.4 m. The angular speed is 2 rad/s. The angular…

Q: A centrifuge spins from rest with an angular acceleration of 226 rad/s2. What is the angular speed…

A:

Q: Please help: A compact disk with a 12.0 cm diameter is rotating at 37.8 rad/s a. What is the…

A: As Radius or diameter and angular speed of the disk is given then we use the formula for Linear…

Q: The tires of a car make N revolutions as the car reduces its linear speed uniformly from initial…

A: Given,

Q: What is the magnitude of the tangential acceleration of a bug on the rim of a 12.0-in.-diameter disk…

A: Given:- d = Diameter of rim = 12 in = 12 x 0.0254 = 0.3048 m  r = Radius = d/2 = 0.3048/2= 0.1524 m…

Q: 2. We can use a simple model which uses our understanding of uniform circular motion to estimate the…

A: Given: Mass of planet = M Radius of planet = R Mass of stone = m

Q: In an amusement park rocket ride, cars are suspended from 4.25-m cables attached to the rotating…

A: According to Newton's 2nd Law in X-direction:∑Fx=Tsinθ=marTsinθ=mar------(1)we know,…

Q: 2. We can use a simple model which uses our understanding of uniform circular motion to estimate the…

A: Given data, Mass of the planet = M Radius of the planet = R Mass of the rock = m

Q: A bicycle is riding at a tangential speed of 13.2 m/s around a circular track. The magnitude of the…

A:

Q: As a result of this change: a)The centripetal acceleration of the ant increases. b)The angular…

A:

Q: 1. A ferris wheel with a 20 m radius and tangential speed of 4 m/s has all 70 kg of you riding it.…

A: Here, we use the dynamics of circular motion to get required.

Q: A 0.500-kg ball that is tied to the end of a 1.50-m light cord is revolved in a horizontal plane…

A: The free-body diagram of the ball is,

Q: QUESTION 5 A windmill-style softball pitcher executes a pitch in 0.5s. If her pitching arm is 1m…

A:

Q: 5. A hoop of radius 0.20 m and a mass of 0.35 kg is released from rest and allowed to roll down an…

A:

Q: It takes a time t = 0.65 s for a record to revolve on a record player once. A particular point on…

A: As we know that for a circular motion, Angular speed (ω) = 2 π/T  ---------(1) Where T is time…

Q: 2. We can use a simple model which uses our understanding of uniform circular motion to estimate the…

A:

Q: A young boy swings a yo-yo horizontally above his head so that the yo-yo has a cen- tripetal…

A:

Q: QUESTION 7 A 1,200-kg car, that is moving in a 40-m radius circle on level ground, has a tangential…

A: Given data: Mass of the car is, m= 1200 kg The radius of the circle is, r= 40 m Tangential velocity…

Q: 1. A ball is rotating along a 3.8m-radius circle with a constant speed of 1.64 m/s. At some point,…

A:

Q: 2.) A spinning, flat disk of radius 2.0 m has a tangential velocity at its edge of 4.5 m/s. a.…

A: The objective of the question is to find various parameters related to the motion of a spinning…

Q: A ferris wheel with a 20m radius and tangential speed of 4 m/s has all 70kg of you riding it. How…

A: Here, we use the dynamics of circular motion to get the required.

Q: An ultracentrifuge accelerates from rest to 109700 rpm in 2.05 min. ω = 109700 rpm t = 2.05 min l…

A: a) Apply the first angular kinematic equation to determine the angular acceleration.

Q: A person rides a Ferris wheel that turns with constant angular velocity. Her weight is 526.0 N. At…

A: (A) The apparent weight at the top of the ride will be W' = W + 1.5  = 526 + 1.5 = 527.5 N

Q: stone in a sling is swung in a circle of radius r = 1.5 m with a constant angular velocity of ω = 15…

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.