The tires on a new compact car have a diameter of 2.0 ft and are warranted for 57,000 miles. (a) Determine the angle (in radians) through which one of these tires will rotate during the warranty period.< rad (b) How many revolutions of the tire are equivalent to your answer in (a)? rev
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- What hanging mass (in kg) must be placed on the cord to keep the pulley from rotating (see the following figure)? The mass on the frictionless plane is 5.7 kg. The inner radius of th pulley is 20 cm, and the outer radius is 39 cm. (Assume the 5.7 kg mass and the hanging mass are only connected to the inner and outer radii, respectively.) 5.7 kg M = ? 33°The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.59 m and 0.98 m, respectively. The respective rotational speeds are 456 rev/min and 4143 rev/min. a) Calculate the speeds of the tips of both rotors. b) Compare these speeds with the speed of sound, 343 m/s.A flywheel in the form of a uniformly thick disk of radius 1.63 m has a mass of 37.1 kg and spins counterclockwise at 463 rpm. Calculate the constant torque required to stop it in 3.00 min.
- The driver of a car traveling at 22.5 m/s ap- plies the brakes and undergoes a constant deceleration of 1.34 m/s?. How many revolutions does each tire make before the car comes to a stop, assuming that the car does not skid and that the tires have radii of 0.45 m? Answer in units of rev.The tires on a new compact car have a diameter of 2.0 ft and are warranted for 56,000 miles. (a) Determine the angle (in radians) through which one of these tires will rotate during the warram rad (b) How many revolutions of the tire are equivalent to your answer in (a)? revThe tires on a new compact car have a diameter of 2.0 ft and are warranted for 56,000 miles. (a) Determine the angle (in radians) through which one of these tires will rotate during the warranty period.< rad (b) How many revolutions of the tire are equivalent to your answer in (a)? rev
- Needs Complete typed solution with 100 % accuracy.A rock is wedged in the tread of wheel of a car and is 0.114 meters away from the center the axis of rotation). Calculate the tangential speed (in meters/second) of the rock when the wheel is rotating at 6.53 revolutions/second. Express your answer without units and as a positive number with two decimals.A car accelerates uniformly from rest and reaches a speed of 22.4 m/s in 8.92 s. Assume the diameter of a tire is 57.8 cm. (a) Find the number of revolutions the tire makes during this motion, assuming that no slipping occurs. rev (b) What is the final angular speed of a tire in revolutions per second? rev/s
- The tires on a new compact car have a diameter of 2.0 ft and are warranted for 60,000 miles. (a) Determine the angle (in radians) through which one of these tires will rotate during the warranty period. < X 0.362 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. rad (b) How many revolutions of the tire are equivalent to your answer in (a)? 3.168*18^ revThe flywheel of a steam engine runs with a constant angular velocity of 132 rev/min. When steam is shut off, the friction of the bearings and of the air stops the wheel in 1.40 h. (a) What is the constant angular acceleration, in revolutions per minute-squared, of the wheel during the slowdown? (b) How many revolutions does the wheel make before stopping? (c) At the instant the flywheel is turning at 66.0 rev/min, what is the tangential component of the linear acceleration of a flywheel particle that is 42.7 cm from the axis of rotation? (d) What is the magnitude of the net linear acceleration of the particle in (c)?A flywheel with a diameter of 0.611 m is rotating at an angular speed of 287 rev/min. (a) What is the angular speed of the flywheel in radians per second? |(b) What is the linear speed of a point on the rim of the flywheel? (c) What constant angular acceleration (in revolutions per minute-squared) will increase the wheel's angular speed to 556 rev/min in 149 s? (d) How many revolutions does the wheel make during that 149 s? (a) Number Units (b) Number Units (c) Number Units (d) Number Units