When disc B is brought in contact with disc A, they acquire a common angular velocity in time t. The average frictional torque on one disc by the other during this period is (a) c) 2700 31 910 4t (b) (d) 910 2t 3/0 2t
Q: A solid sphere of mass M = 5 (kg) and radius R = 1 (m) is shifted with both the speed vo = 10 (m /…
A: Solution: m = 5 kg R = 1 m v' =10 m/s
Q: A particle moves through an xyz coordinate system while a force acts on the particle. When the…
A:
Q: At time t, 7 = 8.10t² î - ( 5.10t + 4.50t²) ĵ gives the position of a 3.0 kg particle relative to…
A: Given that r⇀=8.1t2i^-5.1t+4.5t2j^ mass of particle m=3 kg The torque is given by τ⇀=r⇀×F⇀ where F…
Q: A ventilation fan with a moment of inertia of 8.2 kg-m2 has a net torque of 4.1 N-m applied to it.…
A:
Q: Force F = (8.55 N )î – (9.95 N )k acts on a pebble with position vector T = (6.87 m )ĵ – (2.53 m )k,…
A:
Q: A compact disc (CD) is known to have a constant angular acceleration of 40 rad/s^2. If it starts…
A:
Q: A car initially traveling at 33.1 m/s undergoes a constant negative acceleration of magnitude 1.70…
A: The initial velocity of the car u = 33.1 m/s Acceleration of the car a = - 1.70 m/s2 Radius of the…
Q: A student holds a bike wheel and starts it spinning with an initial angular speed of 7.0 rotations…
A: Given data: The initial angular speed is ni=7.0 rotation per second. The time taken is t=10.0 s.…
Q: A ventilation fan with a moment of inertia of 1.7 kg-m2 has a net torque of 8.2 N-m applied to it.…
A:
Q: 53. ssm A motorcycle accelerates uniformly from rest and reaches a linear speed of 22.0 m/s in a…
A:
Q: A ventilation fan with a moment of inertia of 9.4 kg-m2 has a net torque of 7.1 N-m applied to it.…
A: Given data The moment of inertia is given as I = 9.4 kgm2. The net torque is given as T = 7.1 Nm.…
Q: During a dive, a 44 kg diver has a final radius of gyration of 0.3 m and an angular velocity of 620…
A:
Q: A ventilation fan with a moment of inertia of 4.1 kg-m2 has a net torque of 8.7 N-m applied to it.…
A: Given data: Moment of inertia (I) = 4.1 kg.m2 Net torque (τ) = 8.7 N-m Time (t) = 2.7 s Required:…
Q: A steam fan in a thermal power plant has a moment of inertia of 3 kg ∙ m2 about its axis of…
A: Given data: Moment of inertia, I=3 kg.m2 Angular frequency, ω=3600 s-1 Time, t=3 s
Q: Earth has a mass of 6.0 x 1024 kg, a radius of 6.4 x 105 m, and an angular velocity of 1.2 x 105…
A:
Q: A ventilation fan with a moment of inertia of 4.6 kg-m2 has a net torque of 8.6 N-m applied to it.…
A: Calculate the angular acceleration of the fan. α=τI=8.6 N·m×1 kg·m/s21 N4.6 kg·m2=1.87 rad/s2 Here,…
Q: A merry-go round is accelerated uniformly from the rest at a rate of 10 rad/s2 for 30 s. If the net…
A: The objective of this question is to calculate the moment of inertia of the merry-go-round. The…
Q: Starting from rest, a 6cm-radius compact disc takes 3s to reach its operating angularvelocity of…
A: The objective of the question is to find the magnitude of the net torque applied to the compact…
Q: Starting from rest, a 6cm-radius compact disc takes 3s to reach its operating angularvelocity of…
A: The objective of the question is to find the magnitude of the net torque applied to the compact…
Q: An airliner arrives at the terminal, and the engines areshut off. The rotor of one of the engines…
A:
Q: A7.56 kg toy car moves along an x axis with a velocity given by V=-2.88t i m/s, with t in seconds.…
A: "Since you have posted a question with multiple sub-parts, as per strict guidelines to us we will…
Q: A car initially traveling at 26.2 m/s undergoes a constant negative acceleration of magnitude 1.80…
A: Given data The initial velocity of the car is v=26.2 m/s The accleration is, a=-1.80 m/s2 The radius…
Q: A disk of mass M is spinning freely at 4.45 rad/s when a second identical disk, initialiy not…
A: Write the given values with suitable variables. Here, ω1i and ω2f are the initial angular speed of…
Q: 1.2 m 73. ssm A rotating door is made from four rectangular sections, as indicated in the draw- ing.…
A:
Q: During the launch from a board, a diver's angular speed about her center of mass changes from zero…
A:
Q: A couterclockwise torque of +1.10 N•m is applied to a bicycle wheel of radius 26 cm and mass 0.72…
A: Torque = 1.1 Nm Radius of ring = 26 cm = 0.26 m mass = 0.72 Kg Moment of inertia of a ring = M R 2…
Q: A 10.0 kg toy car moves along an x axis with a velocity given by v = -7.89t³ i m/s, with t in…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: What is the magnitude of angular momentum (in 106 kg.m²/s) of the F-16 at time = 2 s. Assume the…
A: Moment of Inertia The moment of inertia of a rigid body about an axis is defined as the sum of the…
Q: A disc of 5cm radius and 1kg mass begins to move from rest and accelerates uniformly under the…
A: The moment of inertia of a solid disk is given by I=12MR2 Here, M is the mass and R is the radius.…
Q: On the Wheel of Fortune game show, a solid wheel (of radius 7 m and mass 10 kg) is given an initial…
A: Given Data: The radius is, R=7 m. The mass is, m = 10 kg. The angular velocity is, v=1.14 rad/s.…
Q: At time t, 7 6.80t² î - (2.50t + 5.10t2)ĵ gives the position of a 3.0 kg particle relative to the…
A:
Q: Chapter 11, Problem 041 GO The figure shows a rigid structure consisting of a circular hoop of…
A: Given that, The period of rotation of the hoop, t = 1.4 s R = 0.2 m and m = 4.1 kg We need to find…
Q: On an old-fashioned rotating piano stool, a student sits holding a pair of dumbbells at a distance…
A: The initial moment of inertia of the system was Ii=(5+2×5×0.602) kg.m2=8.6 kg.m2 The initial angular…
Q: A child exerts a tangential 53.4-N force on the rim of a diskshaped merry-go-round with a radius of…
A: The expression for torque is,
Q: A discus thrower moves the discus in 2.40 complete revolutions about his body in 1.43 s (starting…
A:
Q: A uniform disk has a mass of 0.911 K g and a radius of 1.371 m. Starting from rest , it accelerates…
A:
Q: A sanding disk with rotational inertia 3.7 x 10-3 kg-m² is attached to an electric drill whose motor…
A: In this question we have to find the angular momentum and angular velocity. Please give positive…
Q: Two astronauts (figure), each having a mass of 70.0 kg, are connected by a d = 11.0-m rope of…
A:
Q: ventilation fan with a moment of inertia of 9.4 kg-m^2 has a net torque of 7.1 N-m applied to it If…
A:
Q: On takeoff, the propellers on a UAV (unmanned aerial vehicle) increase their angular velocity from…
A:
Q: A 7.62 kg particle with velocity = (9.74 m/s )î - (2.04 m/s ) Ĵ is at x = 3.16 m, y = 9.00 m. It is…
A:
Q: a) Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment of…
A: a. the angular momentum of an ice skater is
Q: A car initially traveling at 26.2 m/s undergoes a constant negative acceleration of magnitude 1.80…
A:
Q: 73. ssm A rotating door is made from four rectangular sections, as indicated in the draw- ing. The…
A:
Q: A ventilation fan with a moment of inertia of 4.9 kg-m2 has a net torque of 4.1 N-m applied to it.…
A:
Q: 30H z. You apply a 5N force A heavy wheel (hoop) (10kg and R = perpendicular to the edge of the…
A: The magnitude of torque acting is given by the product of force and the perpendicular distance…
Step by step
Solved in 2 steps
