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The block in the figure below has a mass of 5.7 kg and it rests on an incline of angle %u03B8. You pull on the rope with a force F = 34 N. Assume the incline is smooth and determine the angle of the incline if the block moves with constant speed.
a 3 kg mass attached to a spring oscillates with a period of 0.5 seconds and amplitude of 1/4 meter. find the maximum speed of the mass
A beam of initially unpolarized light passes through a sequence of three ideal polarizers. What is the ratio of the intensity of light
The mass of nitrogen molecule, N2, is 4x10^26 kg. What is its root mean square (rms) speed at 40 degrees Celsius
A 2.40 MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward the sound receiver as the heart beats.
Evaluate the magnitude of the acceleration of each mass. What percentage of error in would be made if the moment of inertia of the pulley were ignored? Ignore friction in the pulley bearings.
The tractor beam exerts a constant force of 4.0 104 N on the shuttlecraft. Both spacecraft are initially at rest. Explain how far does the starship move as it pulls the shuttlecraft aboard?
Two identical metallic blocks are connected by a light spring having the spring constant 100 N/m and an unstretched length of .30 m. A total charge Q is slowly placed on the system, causing the spring to stretch to an equilibrium length of .40 m. ..
The motor in a refrigerator has a power of 156 W. If the freezing compartment is at 268 K and the outside air is at 302 K, what is the maximum amount of energy
What is the horizontal component of the ball velocity
A rock is suspended from the string and moves downward at constant speed. Which statement is true concerning the tension in the string if air resistance is ignored.
The figure below shows a conducting rod sliding along a pair of conducting rails. The conducting rails have an angle of inclination of theta= 39.0 degrees. What is the rod's terminal speed?
A bicycle wheel of mass M (assumed to be concentrated at its rim) and radius R is mounted horizontally so it may turn without friction on a vertical axle. A dart of mass mo is thrown with velocity vo above and sticks in the tire.
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