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a 200kg ball is shot from a 2200kg cannon horizontally and positivly at 200m/s. If the cannon is on a frictionless surface and can recoil freely what is the cannons speed, in respect of Earth.
An aluminum bar has a length of 2.0 m and transverse dimensions of 3.5 mm and 6.9 mm, What force is required to stretch the bar 1.2 mm
A 206 n sign hangs from the end of a 3.30 m long bar. find the two forces exerted by bolts A and B
A particle of mass 7.7 × 10-8 kg and charge +8.0 ?C is traveling due east. It enters perpendicularly a magnetic field whose magnitude is 3.2 T, How much time does the particle spend in the magnetic field
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part A. What should be maximum speed of the car so it can round the curve safely?
A thin spherical copper shell of radius 9.5 cm carries an excess charge of -4.2 nC. How many excess electrons are on the outer surface of the shell
A car drives straight off the edge of a cliff that is 64-m high. The police at the scene of the accident note that the point of impact is 110-m from the base of the cliff. How fast was the car travelling while it went over the cliff.
What is the third fragment right after the explosion
Calculate the capacitance of a planet, assuming it is a spherical capacitor of radius R = 9050.0 km with charge distributed throughout the volume of the sphere
Important information about Initial kinetic energy of the object Point A is situated at the bottom of a rough plane which is inclined at 45 degrees to the horizontal. A body of mass 0.5 kg is projected from A along and up the line of greatest slop..
A helicopter is ascending vertically with a speed of 5.20m/s. at a high of 125m above the earth, a package i dropped from a window. How much time does it take for the package to reach the ground? (Hint: the package's initial speed equals helicopte..
A wire has a length of 7.60 multiply.gif 10-2 m and is used to make a circular coil of one turn. find the maximum torque that this coil can experience
Particles pass through a single slit of width 2.0 mm (see Figure 29.15). The de Broglie wavelength of each particle is 490 nm. determine the minimum range of angles
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