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A shell is shot with an initial velocity v1 of 33 m/s, at an angle of 60° with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass (Fig. 8-26). One fragment, whose speed immediately after the explosion is zero, falls vertically. How far from the gun does the other fragment land, assuming that the terrain is level and that the air drag is negligible?
A camera with a telephoto lens of focal length 125 nm is used to take a photograph of a plant 1.8 m tall. The plant is 5.0 m from the lens. How tall is the image
A 2.0kg wood block is launched up a wooden ramp that is inclined at a 35 degree angle. The block's initial speed is 10 m/s. What vertical height does the block reach above its starting point
An isotope of phosphorus called P-32 is radioactive. It decays with half life of 14.3 days with the emission of beta particle. A 1.0 m?Ci source of P-32 is implanted in a tumor where it would deliver radiation dose of 28.6 Gy.
find the maximum distance she can be from the craft and still return within 2.30 min (the amount of time the air in her helmet remains breathable).
A charge Q is located inside a rectangular box. The electric flux through each of the six surfaces of the box is, What is Q
A series LR circuit with L = 20 mH and R = 2.0 k? is connected to a potential source of amplitude 5.0 V and angular frequency 200 rad/s. find the voltage across the resistor and the inductor
A friend advised the owner of the bowl to keep it out of direct sunlight to avoid blinding the fish, which might swim into the focal point of the parallel rays from the sun. Is the focal point actually within the bowl
a fisherman is dozing when a fish takes the line and pulls it with a tension F the spool of the reel is at rest intialy, find the magnitude of the final angular velocity of the spool
The Black hole at the center of the milky way galaxy is estimated to contain about 4 million solar masses, find the Scwarzchild radius of our galaxy's black hole
4.3 moles of Hydrogen gas initially at Standard Temperature and Pressure. What is the change volume of the gas during this process
Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.)
Gamma rays can be produced through electrons oscillating in wires of electric circuits. The Earth's atmosphere is quite transparent to infrared radiation. A vertical automobile antenna is sensitive to electric fields polarized horizontally. Visible l..
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