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A 0.11- kg block on a wooden table is given a sharp blow with a hammer. The block then slides across the table to a stop. The coefficient of friction between the block and table is 0.28. The hammer's force on the block as a function of time is well approximated by an isosceles triangle with it's base on the horizontal time axis. The length of the base is 0.0068 s and the maximum force is 33.5 N. How far does the block go? Use a graphical technique.
A 890kg sports car collides into the rear end of a 2500kg SUV stopped at a red light. The bumpers lock, calculates the speed of the sports car at impact
A 9.0-kg box of oranges slides from rest down a frictionless incline from a height of 5.0 m, What is the coefficient of kinetic friction, µk, of the surface from A to B
The specific heat of ice to is 2100 and the heat of fusion for ice is . How much time passes before ice starts to melt? From the time while the heating begins, how much time does it take before the temperature begins to rise above 0.
The two blocks are on frictionless inclines and are in static equilibrium. The block on the left has a mass of 49 Kg, and the block on the right has a mass of n3 Kg. If the left incline has the length of n1 meters, and the right incline the length of..
A barge has a mass of 27,500 kg and is 13.2 meters wide and 31.5 m long. Find the mass of the iron one that the barge is carrying
Two resistors have resistances R(smaller) and R(larger), where R(smaller)
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons.
Two freight cars, each with a mass of 2.4 multiplied by 105 kg, collide and stick together. One was at first moving at 3.4 m/s and the other was at rest. What is their final speed.
Consider a Van de Graaff generator with a 30.0 cm diameter dome operating in dry air. what is the maximum potential energy of the dome
a car traveling 85km/h strikes a tree. the front end of the car compresses and the driver come to rest after traveling 0.80m
A dentist's drill starts from rest. After 3.50 s of constant angular acceleration it turns at a rate of 2.7 x 104 rev/min. Find the drill's angular acceleration
The potential energy stored in the compressed spring of a dart gun, Find by how much is the spring is compressed
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