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A flywheel turns through 36 rev as it slows from an angular speed of 4.8 rad/s to a stop.
(a) Suppose a constant angular acceleration, calculate the time for it to come to rest.
(b) Calculate its angular acceleration?
(c) Calculate how much time is required for it to complete the first 18 of the 36 revolutions?
A series RC circuit with C = 32 μF and R = 6.8 Ω has a 24 V source in it. With the capacitor initially uncharged, an open switch in the circuit is closed. what is the voltage across the capacitor
A 2.00 kg hoop with a radius of 0.0750 m was placed at the top of a3.00 m long ramp. The top of the ramp was 0.800 m above the lower end of the ramp. The hoop rolled down the ramp. Compute the hoop’s speed at the bottom of the ramp.
A 62.8 kg canoeist stands in the middle of her canoe. The canoe is 3.3 m long, and the end that is closest to land is 2.5 m from the shore. What is the canoe's mass
Establish the average net force
a golf ball rolls up a hill toward a miniature golf hole. assume that the direction toward the hole is positive. if the
There are two horizontal forces on the 2.0 kg box in the overhead view of the figure below but only one is shown. find the second force.
A 10.0 kg shell is fired vertically upward. At its max height of 500.0 m, it explodes into 3 pieces. Where does the third piece land
A molecule of DNA (deoxyribonucleic acid) is 2.22 µm long. The ends of the molecule become singly ionized, Determine the effective spring constant of the molecule
A roller coaster goes 26 m along a section of track sloping 10 degrees below the horizontal, followed by a 15-m section sloping upward at 6 degrees, followed by an 18-m section of level track. Find the net displacement.
A wheel moves forward for 2 seconds making two complete revolutions. The wheel rotates during an arc length of 8.2 meters.
Evaluate the curvature radius of a concave mirror that produces a9.5-centimeter high virtual image of a5.7 centimeter high object
the light intensity incident on a metallic surface with a work function of 1.17eV produces photoelectrons with maximum kinetic energy of 4.17eV. what is the maximum kinetic energy of the photoelectrons
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