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A spring that has an unstretched height of 15.0 cm sits on top of a table. If a 75.0-gram block is dropped from a height of 35.0 cm above the table top and comes to rest 7.5 cm above the table top after landing on and compressing the spring, what is the spring constant?
solve each equation. write the missing quantity the correct unit of measure and the quantity being measured1. x4 kmh
A ball is thrown vertically upward with an initial speed of 10m/s from the top of a building, at a height of 25m from the ground. How long does the ball take to reach the ground
A machine componant is subjected to the forces and couples shown. The componant is to be held in place by a single rivet that can resist a force but not a couple. determiune the location of the rivet hole
The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an acceleration of 0.800 m/s2. Find out the tension in the rope.
A hanging mass, M1 = 0.18 kg, is attached by a light string that runs over a frictionless pulley to the front of a mass M2 = 0.36 kg that is initially at rest on a frictionless table. Find the tension in the string between masses
A beam of unpolarized light in air is incident at an angle of 59.0? (with respect to the normal) on a plane glass surface. What is the angle of refraction of the transmitted beam
A 40-N stone is dropped from a height of 10m and strikes theground with a velocity of 7 m/s. What average force of air frictionacts on it as it falls
A rectangular sample of a metal is 3.8 cm wide and 600 µm thick. When it carries a 30 Acurrent and is placed in a 0.8 T magnetic field it produces a 6.5µV Hall emf. Detrmine the drift speed of the conduction electrons.
A football is thrown with an initial upward velocity component of 15.0 and a horizontal velocity component of 17.5 . How high does it get above the ground? How far has the football traveled horizontally from its original position?
Two 2.40cm--diameter disks spaced 1.90mm apart form a parallel-plate capacitor. determine the electron's speed as it left the negative plate
problem 1 a box is pulled up by a rope at a constant speed. if its mass 20 kg its speed is 3 ms and the vertical
What mass (in grams) of steam at 100 °C must be mixed with 287g of ice at its melting point, in a thermally insulated container, to produce liquid water at 65°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, an..
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