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A 30-lb uniform cylinder can roll without sliding on a 15°-incline. A belt is attached to the rim of the cylinder, and a spring holds the cylinder at rest in the position shown. If the center of the cylinder is moved 2 in. down the incline and released, determine
(a) the period of vibration,
(b) the maximum acceleration of the center of the cylinder.
A force vector points at an angle of 50.6° above the +x axis. It has a y component of +280 newtons. Calculate the magnitude of the force vector.
You are standing 5 m from a tractor when the operator starts it ip the intensity is 3 x10^-5 W/m^2. How much did the sound level change
A sample of vegetable oil with density 911 kg/m^3 is found to have a mass of 32.7g. Find the volume of this sample
The Achilles tendon, which connects the calf muscles to the heel, is the thickest and strongest tendon in the body. How much tensile stress is required to stretch this muscle by 5.4% of its length
Determine the angular acceleration
Two trucks of equal mass collide at a 90 intersection. If the momentum of truck A is 9.50x10^4 kg km/h east and the momentum of B is 1.05x10^5 kg km/ north, what is the resulting momentum of the final mass
A long straight solenoid with a cross-sectional area of 6.15 cm2 is wound with 46 turns of wire per centimeter, Determine the average induced emf in secondary coil
A 2.60 kg container made of silver is initially at room temperature 20 Degree C. 1.45 liters of warm water is poured into this container. What is the total heat capacity of the silver container?
After the skier on the hill had been moving for 5.0 s, friction of the snow suddenly increasedmaking the net force on the skier zero. what is new coefficient of friction? how fast would the skier now be going after skiing for 5.0s.
A small speaker of mass 3 kg is swinging as a simple pendulum on the rope of length 0.9 m while emitting a sound of a single frequency f and power 101 W. When the pendulum is at the end of its swing: 0 radians from vertical position (the furthest awa..
A vector of magnitude 10 has an angle with the positive x-axis (east) of 120 degrees. What are its components
An elevator has a mass of 1200Kg and has cables which arerated at no more than 9.82 E+04 N of tension. What is the largest load of passangers, in Kg, that it can carry safely
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