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A smooth sphere of mass m moving with speed v on a smooth horizontal surface collides directly with a second sphere of the same size but of half the mass that is initially at rest. The coefficient of restitution is e.
(i) Show that the total kinetic energy after collision is mv2/6(2 + e2) .
(ii) Find the kinetic energy lost during the collision.
the number of radioactive nuclei present at the state of an experiment is 2.78e15. the number present twenty days later is 5.14e14. what is the half life in days of the nuclei
Two flat mirrors meet at angle theta. An incoming ray reflects off of both mirrors before emerging from the mirror-pair. Show that the angle among the incoming ray and the exiting ray is phi = 180° – 2theta.
Write a research paper on nuclear medicine
A 350g object on a frictionless, horizontal lab table is pushed against a spring of force constant 40.0N/cm, How fast is the object moving when it has gained half of the spring's original stored energy
Assume that air pressure is 1.00 atm and the air temperature is 23o C. If the abolute zero apparatus is open to the air, how many moles of air will it hold
A projectile is fired at 30° above the horizontal. Any effects due to air resistance are negligible. What is the horizontal component of the initial velocity
We want to rotate the direction of polarization of a beam ofpolarized light through 90o by sending the beam throughone or more polarizing sheets. What is the minimum number of sheets required
A 0.88 kg projectile is fired into the air from the top of a 7.07 m cliff above a valley, How far from the bottom of the cliff does the projectile land and Find the time of flight
An electric drill draws 3.7 A rms at 140 V rms. If the current lags the voltage by 40 degree, what is the drill's power consumption
q1. a 20 kg block is at rest on a horizontal floor. if you push horizontally on the 20 kg block with a force of 50 n it
A point particle with charge q = 82 µC is placed at a corner of a cube of edge a = 11 cm. What is the flux through (a) each cube face forming that corner and (b) each of the other cube faces?
Compute the acceleration of each box decide maximum distance the car rolls up the hill
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