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At the tropics, the water close to the surface of the ocean is hotter than the deep water. Would the Second Law of thermodynamics be violated if a machine is been put to operate between these two water levels? Explain.
X-rays having an energy of 300 keV undergo Compton scatteringfrom a target. The scattered rays are detected at 37 degreerelative to the incident rays. determine the energy of the scattered x-ray
A rectangular copper strip measures 1.0mm in the direction of a uniform 2.9T magnetic field. Find the number density of free electrons in the copper
What is the magnitude of the electric field near the surface of a uniformly charged conducting plane,if the plane is a square of sides 14.0cm and carries a charge of 28.0nC? What is the force between the two planes if a plane with a charge of equa..
An imaginary accelerator consists of colliding beams of electrons and protons, each of 2TeV total energy. What laboratory energy would be required to achieve the same center - of - mass energy if electrons collide with stationary protons?
A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v = 17 m/s, What is the y component of the car's acceleration when it is at point B
when cylinder-head bolts in an automobile engine are tightened the critical quantity is the torque applied to the
a scientist notices that an oil slick floating on water when viewed from above has many different rainbow colors
A glass is half-full of water, with a layer of vegetable oil(n = 1.47) floating on top. A ray of light travelingdownward through the oil is incident on the water at an angle of56.1°.
A block of weight 43.6 N is hanging from a rope. The tension from the rope is pulling upward on the block. What is the magnitude of the tension in the rope
Two blocks with masses 500g and 510 g are connected to a rope and hung over a 50g cylinder with a radius of 4 cm. What is the rotational inertia of the cylinder
A Projectile is fired with an initial velocity of 60 m/s at an angle of 379 to the horizontal. Assuming there is no friction, what is the horizontal range of the projectils
The motor of a Scout rocket uses up all the fuel and stops when the rocket is at an altitude of 200 km above the surface of the Earth, How high will this rocket rise
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