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An unstable particle with a mass equal to 3.34 x 10-27 kg is initially at rest. The particle decays into two fragments that fly off with velocities of 0.986c and -0.868c, respectively. Find the masses of the fragments.
Yellow-green light(wavelength 550nm) passes through two closely spaced very narrow slits, what is the wavelength for that second source of light.
A 0.60-kg basketball is dropped out of the window that is 6.0 m above the ground. How much work is done on the ball by its weight
A 6.30 kg block is pushed 9.45 m up a smooth 40 degree inclined plane by a horizontal force of 70 degrees north. Calculate the final kinetic energy of the block
A 41-kg box is thrown at a speed of 220 m/s & is brought to a halt in a collision that lasts for a time of 6.5 m/s. Find the magnitude of the average net force that acts on the box during the collision.
A balance scale has unequal arms. The scale is balanced with a m = 1.50-kg block on the left pan and a M = 1.79 kg block on the right pan, what mass on the left pan will balance the scale
A cart that is initially at rest moves down a slope that is inclined at 5o above the horizon, What is its final speed at the end of the slope
An ideal monatomic gas expands isothermally from 0.600 m3 to 1.25 m3 at a constant temperature of 800 K. If the initial pressure is 8.00 10^4 Pa. Find the thermal energy transfer Q
At a temperature of 5800, hydrogen atoms in the solar atmosphere have typical random speeds of about 12. Assume that spectral-line broadening is simply the result of atoms moving toward us or away from us at this random speed, estimates thermal width..
Petrus takes a cold glass of cola from fridge. He puts 3 cubes of ice into it. He laeves the glass on a table in a warm room for 5 minutes. He notices that the ice cubes have become smaller. The outside of the glass is now wet. What is the reason ..
A simple pendulum is swinging back and forth through a small angle, its motion repeating every 1.13 s. How much longer should the pendulum be made in order to increase its period by 0.34 s
an electron in the hydrogen atom is in an excited state given by n4 l3 ml2 ms12. list the possible final states the
A car has an initial position of x = 0 m, an initial velocity of 0 m/s, and a constant acceleration of 5.0 m/s2. What is its position when the time is 3.0 seconds
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