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Question: The initial velocity of a baseball just after being hit by the bat is vo at an angle of 30° with the horizontal. The baseball reaches a max height of h.
Part A: What should the velocity of the ball be if it is hit vertically up and it has to reach a height of 2h?
I need help to solve the above question and neglect air friction.
A shotgun blast of 140 decibels occurs with humidity of 70% and temperature of 50 degrees. Illustrate what is the decibel level at 100 yards away? At 200 yards
A bat moving with a speed of 3.15{\rm m/s} and emitting sound of 39.0{\rm kHz}, What frequency is heard by the moth
A circular surface with a radius of 0.057 m is exposed to a uniformexternal electric field of magnitude 1.44 × 104N/C. The electric flux through the surface is 78 N ·m2/C.
A Girl is pushing on a 45 kg dresser with 300 N of force. The dresser has a coeficient of statice friction of 0.83 and a coeficient of kinetic friction of 0.55. How much is the force of friction on the dresser
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a disk of radius 1.2 cm has a surface charge density of 7.0 microcm2 on its upper face. what is the magnitude of the
A rock is dropped from rest into a canyon and strikes the canyon floor after 3.2 s. Approximately how deep is the canyon
We wish to coat a piece of glass (n=1.5) with a thin film (n=1.42) so that a maximum amount of light will be transmitted, what is the minimum thickness of the film in millimeters
You have a 200 ohm resistor, a 0.400 H inductor, and a 6.00 mF capacitor. Suppose you make a series circuit with the resistor, the inductor, the capacitor, Find the angular frequency omega of the voltage source
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