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A dolphin leaps out of the water at an angle of 23.3 ° above the horizontal. The horizontal component of the dolphin's velocity is 5.94 m/s. Find the magnitude of the vertical component of the velocity.
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Question: A proton has been accelerated from rest through a potential difference of -1350 V. What is the proton's kinetic energy, in electron volts? What is the proton's kinetic energy, in joules? What is the proton's sp ...
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A mass m is projected vertically upwards at t = 0 from y = 0 with initial velocity v0 > 0 along the y-axis. (+y is upwards) The mass moves under the constant force of gravity, and also a force of air resistance with magn ...
Quesion: When a nucleus of 235U undergoes fission, it breaks into two smaller, more tightly bound fragments. Part A: Calculate the binding energy per nucleon for 235U. Express your answer with the appropriate units. E=__ ...
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Question: A simple pendulum consisting of a mass m attached to a massless string of length L is performing harmonic oscillations for small angles. Determine the period T in terms of L and the gravitational acceleration c ...
Describe the effect on speed, frequency, and wavelength of a sound traveling from warm to cold air. (hint:cold air is more dense than warm air).
Question: The position of a particle is given by the expression x = (4.00m)cos(3πt + π), where x is in meters and t is in seconds. Determine (a) the frequency and period of the motion, (b) the amplitude of the motion, (c ...
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