neel starting from rest gains an ar velocity of 10 rad/s after rmly accelerated for 5 sec. The angle through which it has turnec
Q: Disk B is at rest when it is brought into contact with disk A which is rotating freely at 450 rpm…
A:
Q: particle moves 6 m along a circle of radius 2.0 m. (Enter the magnitudes.) A.)Through what angle…
A:
Q: A CD rotates at 5600 revolutions per min. The disk has a radius of 15 cm. What is the centripetal…
A: ω=5600 rpm×2π rad1 rev×1 min60 s=586.43 rad/s
Q: A wheel 32 cm in diameter accelerates uniformly from 245 rpm to 360 rpm in 6.3 s A) How far will a…
A: Angular acceleration of the wheel = α t= 6.3 sec Initial angular velocity ωi=245 rpm =4.083 rps…
Q: A centrifuge is rotating at 5000 rev/min when a brake is applied causing a deceleration of -5.0…
A:
Q: Macmillan A newly discovered planet has a mean radius of 1350 km. A vehicle on the planet's surface…
A: Given Mean radius of Planet is Rp =1350 km Speed of vehicle moving in the same direction of Planet's…
Q: 6) A giant Ferris wheel is spinning at 70 rad/s. It is switched off and accelerates at the rate of…
A: Here, we calculate the given as follow,
Q: The total acceleration develop at the rim of the wheel 100 m/s/s. What is the wheel centripetal…
A:
Q: A engine wheel with 2m radius starts from rest and rotates with an acceleration of 5 rad/s2. How…
A: According to rotational kinematics θ=ω0t+12αt2 where θ=angular displacement ω0=Initial angular speed…
Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min, clockwise (when…
A:
Q: A wheel, starting from rest, rotates with a constant angular acceleration of 2.90 rad/s2. During a…
A: Let time elapsed before that interval is t Now, angular speed after t sec W = 0 + 2.9×t
Q: (a) Convert 49.0 rev/min to radians per second. rad/s (b) Convert 3.95 rad/s to rev/min. rev/min…
A: Part (a): Given: The angular speed of the object is 49 rev/min. Calculation: The angular speed in…
Q: A turntable of radius 60 cm undergoes constant acceleration from rest to 3.0 rev/s in 2.5 seconds.…
A:
Q: Agolf ball is launched with the initial conditions shown in the figure. Determine the radius of…
A: Given,u=154 mi/h=225.867 ft/sθ=12° The free body diagram is shown below,
Q: A windmill wheel makes 4.5 rotations a second. If the windmill wheel slows down to a complete stop…
A: The objective of the question is to find the angular acceleration of the windmill wheel which slows…
Q: EXAMPLE 13: A compact disc is rotating at 50 rpm. If it takes 10 complete revolutions before slowing…
A:
Q: A toy top accelerates from rest to 17 rad/s in 0.50 s. How many revolutions does it make?
A: Given: final angular velocity ω=17 rad/sinitial angular velocity ωo=0 [starts from rest]time t…
Q: A lab centrifuge spins at 1470 rad/s (14,000 rpm). Suppose it has radius 8.20 cm. What is the…
A:
Q: ao In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the…
A: Let ar denote the centripetal acceleration, ω denote the angular velocity of the trainee, r denote…
Q: How fast (in rpm) must a centrifuge rotate if a particle 7.8 cm from the axis of rotation is to…
A: The centripetal acceleration is a given by a=ω2r…
Q: 8. A discus thrower turns with angular acceleration a=50rad/s, moving the discuss in a circle of…
A: The centripetal acceleration of a body is given as ac=rω…
Q: At the 10 second mark, what is the angular speed (in degrees per second)? Is it just 220…
A: Given:Time, t = 10th mark on graph
Q: A hamster is running on the circular spinning wheel in his cage. It is turning at a rate of 50 rpm…
A:
Q: At its peak, a tornado is 60.0 m in diameter and carries 500 km/h winds. What is its aguler velocity…
A: The objective of the question is to find the angular velocity of the tornado in revolutions per…
Q: If a centrifuge has an angular acceleration of 33.8 rad/s2 and a radius of 30 meters, what is its…
A:
Q: A disk iwth a 0.45 m radius rotates from rest with a constant angular acceleration of 0.24 rad/s2,…
A: Radius of object is Angular acceleration is Initially object is at rest Time is Note:Find:(a)…
Q: How many radians does an motorcycle tires rotate after starting from rest and accelerating at a…
A: For circular angular motion, the formula for angular displacement θ and angular acceleration α is…
Q: A disk spins at 4.0 revolutions/second. What is its period, in second?
A:
Q: A drill bit is able to reach 2000 rpm in 0.50 s. Assuming a constant angular acceleration, how many…
A: Given: The final angular speed of the drill is dω=2000 rpm= 2000×2π60 s=209.44 rads. Time required…
Q: An ultracentrifuge accelerates from rest to 9.83 x 10° rpm in 2.23 min. What is its angular…
A: Given : Initial angular velocity (wo) = 0 Final angular velocity (w) = 9.83 x 105 rpm = 9.83 x…
Q: A figure skater can rotate at 5 rad/s, and their arms can reach out 0.7m. What would be the…
A:
Q: A large ball (radius=0.75m) with an initial rotation speed of 36rad/s is rolling up an incline…
A: Given: r=0.75 mωo=36 rad/sω=12 rad/ss1 =54 m
Q: An airplane propeller is rotating at 1900 rpm 1rev/min2. (a)Computethe propeller’s angular velocity…
A: Given: An airplane propeller is rotating at 1900 rpm.a. As we know,1 rpm means revolution per minute…
Q: Kristen performs a backward flip (one revolution) in 0.75 seconds. c.) If the radius of her body…
A:
Q: The center O of the wheel is mounted on the sliding block, which has an acceleration ao = 7.1 m/s²…
A: Angular acceleration and tangential acceleration: For an object rotating about an axis, the…
Q: If a centrifuge has an inital angular velocity of 20 rotations per second and and a constant angular…
A:
Q: A young boy swings a yo-yo horizontally above his head so that the yo-yo has a cen- tripetal…
A:
Q: Convert 46.0° to radians. rad (b) Convert 20.0 rad to revolutions. rev (c) Convert 71.0 rpm to…
A: (a) The angle's magnitude is given as θ=46° The angle in terms of radians is given as: θ=46°×π…
Q: A bicycle tire accelerates uniformly from rest to 3.89rad/sec in 9.0 s. Calculate how many radians…
A:
Q: A centrifuge accelerates uniformly from rest to 13000 rpm in 180 s. A. Through how many…
A: The acceleration is uniform. So, we can calculate the average velocity as shown below.
Q: The power to electric motor rotating at 600 rpm is cut off. If the magnitude deceleration of the…
A:
Q: #16. The frequency of a merry go round is 5 times per minute. What is the tangential velocity of the…
A:
Q: What would Earth’s rotational period have to be for objects on the equator to have a centripetal…
A:
Q: rad/s2 of a rotating disk is related to its angular velocity ?, rad/s by ? = 4 √?. When t = 0, the…
A:
Q: How fast (in rpmrpm) must a centrifuge rotate if a particle 5.2 cmcm from the axis of rotation is to…
A: Given : Distance of particle from the axis of rotation, r = 5.2 cm = 0.052 m Acceleration of the…
Step by step
Solved in 2 steps with 2 images
