A merry-go-round starts from rest and accelerates with angular acceleration 0.010 rad/s^2 for 22 s ....
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 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 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 disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 4.20 rev/s; 75.0 revolutions later, its angular speed is 23.0 rev/s. Calculate (a) the angular acceleration (rev/s2), (b) the time required to complete the 75.0 revolutions, (c) the time required to reach the 4.20 rev/s angular speed, and (d) the number of revolutions from rest until the time the disk reaches the 4.20 rev/s angular speed. _...
A merry-go-round accelerates from rest to 0.68 rad/s in 24 s. Assuming the merry-go-round is a uniform disk of radius 7 m and mass 31000 kg, calculate the net torque required to accelerate it.
A 3.1-m-diameter merry-go-round with rotational inertia 110 kg · mº is spinning freely at 0.60 rev/s . Four 25-kg children sit suddenly on the edge of the merry-go-round. Find the new angular speed. Express your answer using two significant figures. IVO AQ R O 2 ? 1 rev/s Submit Request Answer Part B Determine the total energy lost to friction between the children and the merry-go-round. Express your answer using two significant figures. IVO AQ R O 2 ? AK...
The sphere starts from rest at 0 = 0° and rotates with an angular acceleration of a = (40 + 1) rad/s", where is in radians. (Figure 1) Part A Determine the magnitude of the velocity of point P on the sphere at the instant 0 = 8 rad. Express your answer using three significant figures. O ALQ vec R o 2 ? vp = ft/s Submit Request Answer Figure < 1 of 1 Part B Determine the magnitude of...
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 12 rev/s; 70 revolutions later, its angular speed is 19 rev/s. Calculate (a) the angular acceleration (rev/s2), (b) the time required to complete the 70 revolutions, (c) the time required to reach the 12 rev/s angular speed, and (d) the number of revolutions from rest until the time the disk reaches the 12 rev/s angular speed.