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A solid disk and a hoop have the same mass, radius, and angular speed. If the same braking torque is applied to each, which takes longer to stop?
1. The disk
2. The hoop
3. More information is needed
A constant net torque is applied to a object. Which one of the following wil not be constant?
1. Angular acceleration
2. Angular velocity
3. Moment on inertia
4. Center of gravity
The 2.00 kg object below is released from rest at the height of 5.0 m on a curved frictionless ramp. At the foot of the ramp is a spring of force constant k = 450 N/m. The object slides down the ramp and into the spring, compressing it a distance x b..
Charge is scattered uniformly throughout a long cylindrical shell of inner radius R and out radius 2R. At what radius is the electric field equal to one-half the value on the outer surface.
A rocket sled moved down a track at 632 mi/h and came to rest in 1.4 s.determine the negative acceleration and the distance traveled
A parallel-plate capacitor has square plates that are 6.00cm on each side and 4.20mm apart. If the potential difference between the plates is 78.0V , how much electrical energy is stored in the capacitor
During the propulsive phase of a dive (pushing off the diving board), the net vertical and horizontal forces were 100 N and -100 N, what was the net angular impulse applied to the body
In the distant future, a physics 360 student is rushing to her exam traveling in a spaceship at relativistic speed. Compute the wavelength she would have seen
A thermos contains 150cm^3 of coffee at 85 celsius. To coolthe coffee, you drop two 11-g ice cubes into the thermos. What is the final temperature of the coffee
Consider two widely separated conducting spheres, 1 and 2, the second having six times the diameter of the first. Find the final charge q1 and q2
An attacker at the base of a castle wall 3.63 m high throws a rock straight up with speed 8.80 m/s at a height of 1.51 m above the ground. Find the change in speed of a rock
a hollow metal sphere has 7cm and 11cm inner and outer radii respectively. the surface charge density on the inside
You have an organ pipe that resonates at frequencies of 800, 1120, and 1440 Hz but nothing between these. determine the fundamental frequency for this pipe
A 4-kg mass is connected by a light cord passing over a pulley to a 2-kg mass. The pulley rotates about a frictionless axle and has a mass of 3kg and radius .2-m. find the acceleartion of the two masses
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