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A small block is attached to an ideal pring and is moving in SHM on a horizontal, frictionless surface. When the block is at x= 0.280m, the acceleration of the block is -5.30 m/s^2. What is the frequency of the motion?
A thin rod consists of two parts joined together. One third of it is silver and two-thirds is gold. The temperature decreases by 24C°.
A skier is accelerating down a 30.0 degree hill at 1.8 m/s^2. How long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if elevation change is 325 m.
A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 15 m/s due north relative to water.
What net torque must be applied to the wheel. How several meters would the molecule.
A 5 m x 12 m swimming pool slopes linearly from a 1.20 m depth at one end to a 3.40 m depth at the other. What is the mass of water in pool.
Two objects have masses m and 5m respectively.They both are placed side by side on a frictionless inclined plane and allowed to slide down from rest.
A convex lense of focal length 18 cm is used as a magnifying glass. at what distance from a tiny insect must you hold this lense to get a magnification of 3.
A certain superconducting magnet in the form of a solenoid of length 0.30 m can produce a magnetic field of 13.0 T in its core when its coils carry a current of 105 A. The windings, made of a niobium-titanium alloy, must be cooled to 4.2 K. Find o..
A highway curve of radius 500 m is designed for traffic moving at a speed of 73 km/hr. What is the correct banking angle of the road.
A circular loop in the plane of the screen lies in a 0.60 T magnetic field pointing into the screen. The loop's diameter changes from 18.5 cm to 6.0 cm in 0.50 s.
Find out the coefficient of static friction
Estimate how far from a piece of paper you must hold the lens to produce a sharp image of a streetlight 40 ft. Overhead.
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