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An air-track glider attached to a spring oscillates with a periodof 1.17 s. At t=0 s the glider is 2.6 cm left of the equilibriumposition and moving to the right at 39.02 cm/s.
What is the phase constant? (in degrees)
A sheet of glass is coated with a 496 nm thick layer of oil (n = 1.42). What is the color of the most part of transmitted light
consider a mass of 20kg on the left and another 10kg on the right connected by a rope and being pulled to the right
an object 4.59 kg traveling at 2.76 ms collides with another object 11.80 kg that has an initial velocity of 1.81 ms in
A pulley system is used to lift a piano 3.4 m. The acceleration of gravity is 9.81 m/s2 . If a force of 2315 N is applied to the rope as the rope is pulled in 17 m, what is the efficiency of the machine
Two moles of a monatomic gas with an rms speed of 294 m/s are contained in a tank that has a volume of 0.12 m3. If each gas particle has a mass of 8.220 × 10^-26 kg, what is the temperature and absolute pressure of the gas?
A thin uniform rod (mass = 0.75 kg) swings about an axis that passes through one end of the rod and is perpendicular to the plane of the swing. What is the maximum kinetic energy of the rod as it swings
A 126.6 {\rm N} carton is pulled up a frictionless baggage ramp inclined at 33.0^\circ above the horizontal by a rope exerting a 75.4 {\rm N} pull parallel to the ramp's surface. Calculate the work done on the carton by the rope
a 69 g ice cube can slide without friction up and down a 35 degree slope. the ice cube is pressed against a spring at
In an is ometric exercise a person places a hand on a scale and pushes vertically downward, keeping the forearm horizontal. This is possible because the triceps muscle applies an upward force perpendicular to the arm, as the figure indicates.
The leg and cast weigh 177N (w1). Find out the weight w2 and the angle α required so that no force is exerted on the hip joint by the leg plus cast.
Suppose you carry a bag of groceries weighing 100 N from your car to your kitchen, a distance of 61 m, without raising or lowering the bag
in a game of lawn chess where pieces are moved between the centers of squares that are each 1.61 m on edge a knight is
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