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Photon beam of 0.20 MeV is scattered by an electron in a carbon target.
i) What is the wavelength of photons scattered through an angle 90 degrees?
ii) What is the wavelength associated with these photons?
iii) What is the energy of the scattered photons that emerge at an angle of 60 degrees relative to the incident direction?
Two people carry a heavy electric motor by placing it on a light board 2.05m long. One person lifts at one end with a force of 405N , What is the weight of the motor
A block of mass m = 3 kg is attached to a spring (k = 27 N/m) by a rope that hangs over a pulley of mass M = 7 kg and radius R = 9 cm, Find the maximum extension of the spring
throw a tennis ball or baseball for distancea. standing still facing in the direction of the throw.b. standing with the
Question 1: A rocket with a mass of 4,000 kg has an engine that exerts a force of 36,740 N. What is the rocket's acceleration (in m/s2) at take-off?
A Buckyball is a molecule consisting of 60 carbon atoms arranged ina soccer ball like shape. Determine the kinetic energy of the Bucky balls used
There are several types of fallacies - equivocation, false authority, ad hominem, appeal to ignorance, and bandwagon.
a sledge loaded with bricks has a total mass of 17.6 kg and is pulled at constant speed by a rope inclined at 20.2deg
While taking a walk around your neighborhood, you see a flash of lightning hit the Earth in the distance. How far away did the lightning strike the ground
A planet's moon travels in an approximately circular orbit ofradius 9.0 107 m with a period of 6 h 34 min. Calculate the mass of the planet from this information
A 115.08 g ice cube at -15°C is placed in an aluminum cup whoseinitial temperature is 74°C. What is the mass of the cup
Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 476 m/s
A ball of mass 7 kg is thrown straight up in the earth's gravitational field with an initial speed v0 = 16 m/s. What is the initial kinetic energy of the ball
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