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Light hits the surface of water at an incident angle of35° with respect to the normal line. What is the angle between the reflected ray and the refracted ray?
A 0.05 kg bullet traveling at 600 m/s hits a 7.4 kg block of wood and stays in the wood. What is the velocity (speed)of the wood block
A copper ball with a radius of 1.7 is heated until its diameter has increased by 0.19, find the final temperature of the ball
A moon orbits a planet of unknown mass with a period of 1.8 days. If the radius of the moon's orbit is 420,000,000 meters, find the mass of the planet. Determine the centripetal acceleration of the moon
A simple pendulum is constructed from a mass of 2 kg and a massless string of length 3.5 m. The pendulum is pulled 5.5 cm to the right and released to start the motion. What is the period of the pendulum
Your telescope has a 700mm-focal-length objective and a 26-mm-focal-length eyepeice, You position film so that it caputures the image produced by the objective lens. What is the diameter of that image
When the temperature of a coin is raised by 71.8 C°, the coin's diameter increases by 2.11 x 10-5 m. find the coefficient of linear expansion
An electron remains in an excited state of an atom for typically 10-8 s. What is the minimum uncertainty in the energy of the state
A proton and an electron are fixed in space with a separation of 911 nm. Calculate the electric potential at the midpoint between the two particles, Find the potential and the magnitude of the force.
A saw blade has a mass of 0.5 kg and a radius of 10 cm and is rotating at 300 rpm. What frictional torque acts on the saw blade as it slows to a stop
A storage tank contains 21.6 kg of nitrogen (N_2) at an absolute pressure of 3.54 atm. What will the pressure be if the nitrogen is replaced by an equal mass of CO_2 ?
A gun with muzzle velocity of 1200 ft/sec is fired at an angle of eight degrees above the horizontal. Find the horizontal and vertical components of the velocity
A 14.1-g bullet is accelerated from rest to a speed of 793 m/s in a rifle barrel of length 66.9 cm. (a) Find the kinetic energy of the bullet as it bullet as it leaves the barrel.
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