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An archer fish spies a meal of a grasshopper sitting on a long stalk of grass at the edge of the pond in which he is swimming. If the fish is to successfully spit at and strike the grasshopper, which is 0.200 m away horizontally and 0.525 m above his mouth, what is the minimum speed at which the archer fish must spit? What angle above the horizontal must he spit?
A small loop of wire of radius 1.9 cm is placed at the center of a wire loop with radius20 cm. Estimate the magnitude of the torque the large loop exerts on the smaller one
two identical vertical tubes each 1.00 cm in diameter and 50.0 cm tall are each filled with a liquid. the liquid in
question1in the cooper and shepard experiment 1973 participants were asked to choose whether a stimulus a letter was
Draw a diagram showing the direction of the incoming puck, the orientation of the string, and the direction of motion of the puck on the string after the elastic collision.
In a certain particle accelerator, protons travel around a circular path of diameter D in an evacuated chamber, What is the mean free path of the gas molecules
A helium-neon laser of the type often found in physicslaboratories has a beam power of 7.00 mW at a wavelength of 633 nm. Calculate the intensity of the focused beam
the gondola ski lift at whistler mtn in bc has a length of 2128 meters. the angle between the horizontal and gondola
A 15 g bullet is fired at a 2.1 kg wooden block which is hung at the end of 1.35 meter long string as a ballistic pendulum. the bullet strikes the block and embeds itself 10 cm into the block. the pendulum then swings up to an angle of 27.5 degree..
q1. a cd has a playing time of 53.1 minutes. while the music starts the cd is rotating at an angular speed of 498
Light with a wavelength of 435 nmilluminates a metal cathode. The maximum kinetic energy of the emitted electrons is 0. 71 eV. What is the longest wavelength of light that will cause electrons to be emitted from this cathode? (please show all work..
A square current loop 4.50cm on each side carries a 540mA current. What is the magnitude of the torque on the current loop
A 1370 kilogram pile driver is used to drive a steel I-beam into the ground. Obtain the magnitude of the average force the beam exerts on the pile driver while the pile driver is brought to rest
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