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A steel ball (140 gm) is fired at 120 ms-1 toward a nether steel ball (4 kg) on a smooth frictionless surface. Draw a diagram and suppose that the collision is elastic. Determine:
1) The momentum of the balls after the collision.
2) The momentum of the balls before the collision.
3) The total kinetic energy of the balls after the collision.
4) The total kinetic energy of the balls before the collision.
If a wire has the dimensions 2 meter long and a radius of 1mm and the linear density of 10g/m, what is the mass of the wire
1. starting from rest a proton falls through a potential difference of 2700 v. what speed does it acquire?2. a long
Consider the arrangement shown in the figure below. Assume R = 4.00 ? and scripted l = 1.40 m, At what speed should the bar be moved
A brick is initially 12.10 cm high and an aluminum can is initially 12.11 cm high. By how much should their temperatures be raised in order for the brick and the can to have exactly the similar height?
A piece of charcoal used for cooking is found at the remains of anancient campsite. Find the age of the charcoal
What will happen when two waves of the same amplitude and wavelength meet at the same place and the same time and they are in phase, What is the shape of the output sound waveform
The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.545m, Find the magnitude of the magnetic field inside the toroid at the following locations
A charged particle is injected at 125 m/s into a 0.0743-T uniform magnetic magnetic field perpendicularly to the field. The diameter of its orbit is measured and found to be 0.0371 m. What is the charge-to-mass ratio of this particle?
At a given instant the current and self-induced emf in an inductorare directed as indicated in the figure 30-63. The induced emf is23 V and the rate of change of the current is 24 kA/s; find the inductance in henrys.
A 3.8-cm-diameter circle lies in the xy-plane in a region where the electric field is E=(1600i + 1600j + 1600k) N/C. What is the electric flux through the circle
While running in a cross country meet, a member of women team of SJU dissipates about 0.35 Joule of mechanical energy per step per kilogram of her body mass. determine what is her mass
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 400-g sample of silver at an initial temperature of 88°C is placed in the water. The stirrer is used to stir the mixture gently until it reaches its final equilibriu..
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