A merry-go-round starts from rest and accelerates with angular acceleration 0.020 rad/s2 for 18 s .
How many revolutions does it make during this time?
Express your answer using two significant figures.
What is its average angular speed?
Express your answer using two significant figures.
A merry-go-round starts from rest and accelerates with angular acceleration 0.020 rad/s2 for 18 s ....
A merry-go-round starts from rest and accelerates with angular acceleration 0.010 rad/s^2 for 22 s . Part A How many revolutions does it make during this time? Express your answer using two significant figures. delta theta=rev Part B What is its average angular speed? Express your answer using two significant figures. Wav=rad/s
During startup of a power plant, a turbine accelerates from rest at 0.58 rad/s2 . 1-How long does it take to reach its 2600 rpm operating speed? Express your answer using two significant figures 2-How many revolutions does it make during this time?Express your answer using two significant figures.
A merry-go-round accelerates from rest to 0.74 rad/s in 33 s. Part A Assuming the merry-go-round is a uniform disk of radius 6.0 m and mass 3.20×104 kg , calculate the net torque required to accelerate it. Express your answer to two significant figures and include the appropriate units.
A merry-go-round starts from rest and accelerates uniformly over 19.5 s to a final angular velocity of 6.75 rev/min. (a) Find the maximum linear speed of a person sitting on the merry-go-round 6.50 m from the center. (b) Find the person's maximum radial acceleration. (c) Find the angular acceleration of the merry-go-round. (d) Find the person's tangential acceleration.
Calculate the net torque needed to accelerate this merry go round A merry-go-round accelerates from rest to 0.78rad/s in 32 s. Assuming the merry-go-round is a uniform disk of radius 8.0m and mass 3.20 Times 104kg , calculate the net torque required to accelerate it. Express your answer to two significant figures and include the appropriate units.
A discus thrower starts from rest and begins to rotate with a constant angular acceleration of 2.5 rad/s2 . Part A:How many revolutions does it take for the discus thrower's angular speed to reach 6.3 rad/s ? Part B: How much time does this take?
A merry-go-round accelerates from rest to 0.63 rad/s in 36 s. Assuming the merry-go-round is a uniform disk of radius 8.0 m and mass 3.20×104 kg , calculate the net torque required to accelerate it.
A fly wheel with radius 0.300 m starts from rest and accelerates with a constant angular acceleration of 0.600 rad/s2. For a point on the rim of the flying wheel, what are the magnitudes of the tangential, radial, and resultant accelerations and velocities after 2.00 seconds?
A Fly wheel with radius 0.300 m starts from rest and accelerates with a constant angular acceleration of 0.600 rad/s2. For a point on the rim of the flying wheel, what are the magnitudes of the tangential, radial, and resultant accelerations and velocities after 2.00 seconds?
Consider a father pushing a child on a playground merry-go-round. The system has a moment of inertia of 84.4 kg · m2. The father exerts a force on the merry-go-round perpendicular to its 1.50 m radius to achieve a torque of 375 N · m. (a) Calculate the rotational kinetic energy (in J) in the merry-go-round plus child when they have an angular velocity of 10.0 rpm. ___J (b) Using energy considerations, find the number of revolutions the father will...