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Question: A 0.344 kg mass is attached to a spring and undergoes simple harmonic motion with a period of 0.95 s. The total energy of the system is 2.8 J.
Find the amplitude of the motion.
A wedding ring is tossed into the air and given a spin, resulting in an angular velocity of 12.5 rotations per second. what is the diameter of the ring
A man of mass m = 70.0 kg pushes a rotating platform of mass M = 85.0 kg and radius R = 3.00 m at the playground with a tangential force tF of magnitude 55.0 N for 10.0 s. Ignore air resistance.
A particle undergoes a displacement Δr of magnitude 57 m in a direction 25° below the x axis. Express Δr in terms of the unit vectors x and y.
A 12 kg piece of zinc at 65C is placed in a container of water. The water had a mass of 20 kg and a temperature of 12C before the zinc was added. What is the final temperature of water and zinc
Two astronauts of equal mass 76 kg are holding on to opposite ends of a straight rope in space. The length of the rope between them is 18meters. What is the new angular velocity of the two astronauts
A disk with a rotational inertia of 6.44 kg·m2 rotates like a merry-go-round while undergoing a torque given by ? = (9.36 + 6.44t) N · m. What is its angular momentum at t = 3.00 s
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V highest potential difference operating at 5000 rad/s .
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. What must be the horizontal distance between the saddle and limb when the ranch hand makes his move
Some nucleus of 74X189 (atomic mass = 188.96191 u) undergoes - decay to become 75X189 (atomic mass = 188.95922 u). What is the energy (in MeV) released in this process
Assume that radiant energy from the sun arrives at your location with an intensity of 850 W/m2. In this EM radiation, what are the maximum values of the radiated electric and magnetic fields?
In a certain time, light travels 5.11 km in a vacuum. During the same time, light travels only 2.54 km in a liquid. What is the refractive index of the liquid
A dog sits 1.50 m from the center of a merrygo-round with an angular speed of 1.78 rad/s. what is the dog's mass
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