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A science student is riding on a flatcar of a train travelling along a straight horizontal track at a constant speed of 10.0 m/s.The student throws a ball along a bath that she judges to make aninitial angle of 60.0 degrees with the horizontal and to be in linewith the track. The student's professor, who is standing on the ground nearby, observes the ball to rise vertically. How high does the ball rise?need to see step by step.
What is the upward force that Olivia applies to the handles in order to hold the wheelbarrow in that position.
Suppose V rms = 240 V for an alternating current power source. What is the amplitude of the voltage for the source
Consider three point charges located at the corners (points 1, 2, and 3) of a right triangle with sides "a", where q1 is located at corner 1, q2 at corner 2, and q3 at corner 3, Find the resultant force exerted on q3
In the Michelson-Morley experiment, a null result, or a net fringe shift of ΔN = 0 was obtained when the Michelson interfero meter was rotated by 90°.
A certain siren radiates sound uniformly in all directions. At a distance of 17m from the siren, How many watts of power does the siren put out
A typical coal-fired power plant burns 350 metric tons of coal every hour to generate 720MW of electricity. 1 metric ton= 1000 kg. What is the power plant's thermal efficiency
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 32.5 dB. What is the intensity delivered to the eardrum
A glass camera with an index of 1.55 is to be coated with acryolite film (n ˜ 1.30) to decrease the reflection ofnormally incident green light (λo = 500nm). What thickness should be deposited on the lens
An element in its solid phase has mass density 2100kg/m3 and number density 4.39×1028atoms/m3. What is the element's atomic mass number
When Brewster's angle of polarized light due to a reflection of light off of the surface of water makes a ray of light, how is the ray of light related to the ray of light that is refracted by the incoming beam into the water?
Using a 673-nm wavelength laser, you form the diffraction pattern of a 0.109-mm wide slit on a screen. How far is the screen located from the slit
Oil is being loaded into a barge through a 150 mm diameter pipe whose exit is at an angle ? (alpha)= 60 degrees to the horizontal. Determine the force exerted by the barge on the rope
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