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A string is wrapped around a pulley of radius 3.05? , and a weight hangs from the other end. The weight falls with a constant acceleration 3.40m/s2
What's the angular acceleration of the pulley?
If the weight starts from rest 1.35m above the floor, what's the pulley's angular velocity when the weight hits the floor?
One fragment, whose speed immediately after the explosion is zero, falls vertically. Illustrate what is the horizontal speed of the other fragment?
You're doing a double-slit experiment with two different colors. What's the wavelength of that color
A gas with ?=75 is at 285K when it's compressed isothermally to one-third of its original volume and then further compressed adiabatically to one-fifth of its original volume
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 10 s, it rotates 2 revolutions. What was the angular acceleration during this time
A 3.0 m tall, 64 cm diameter concrete column supports a 205,000 kg load. By how much is the column compressed
A tank with a volume of 0.150 m contains 27.0 degrees celcius helium gas at a pressure of 100 atm. How various balloons can be blown up if each filled balloon so a sphere 30.0 cm in diameter at 27.0 and absolute pressure of 1.20atm .
A 4.5kg box slides down a 4.6m -high frictionless hill, starting from rest, across a 2.4m -wide horizontal surface, What is the speed fo the box just before hitting the spring
A 14.8cm diameter loop of wire is initially oriented perpendicular to a 1.3T magnetic field, What is the average induced emf in the loop
A submarine dives 90.0 m at an angle of 8.0° below the horizontal. What are the horizontal and vertical components of submarine's displacement? (Imagine that upward and the direction of the submarine's horizontal motion is positive.)
A particle with a charge of q = -5.00 nC is moving in the uniform magnetic field of vec{B}=( -1.20 T ) hat{z}. The magnetic force on the particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}.
What is kinetic energy of the shell
Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. Determine the speed of each disk after the collision
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