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The bush baby, a small primate, can leap straight upward to huge heights. The bush baby crouches, and then extends its legs upward for 0.16 meter. After this period of upward acceleration the animal leaves the ground and reaches a maximum height of 2.3 meter. Find the acceleration while it is pushing off of the ground.
A uniform magnetic field points north; its magnitude is 4.5 T. A proton with kinetic energy 7.1 10-13 J is moving vertically downward in this field. What is the magnetic force acting on it
A whale uses sonar (sound waves) to supplement its eyesight for deep water dives. The whale sends out a sound wave, which returns in 0.5 seconds. How far away is the object it bounced off
A capacitor with air between its plates is charged to 70 V and then disconnected from the battery. When a piece of glass is placed between the plates, the voltage across the capacitor drops to 50 V. What is the dielectric constant of this glass?
Argon gas enters an adiabatic turbine steadily at 1600kPa and 450 degrees Celsius with a velocity of 55m/s and leaves at 150 kPa with a velocity of 150m/s. determine the exit temperature of the argon
A rigid tank contains 1.30 moles of an ideal gas. Determine the number of moles of gas that should be withdrawn from the tank to lower the pressure of the gas from 24.5 atm to 4.40 atm. Assume volume of the tank and the temperature of the gas rema..
The catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 80.6 m/s in 12.6 seconds, find the acceleration of the aircraft when it launches
Some particle of mass m is constrained to move on the surface of a vertical cylinder defined by 2 2 2 x ? y ? R , where R is the radius of the cylinder. The particle is subject to a force directed towards the origin and proportional to the distanc..
A man walking on a tightrope carries a long a pole which has heavy items attached to the two ends. If he were to walk the tight-rope with just a pole, what difference would it make to his balance
A ray of light strikes the a-b interface at 50o angle of incidence. The index of refraction a is na=1.20. Obtain the indices of refraction in these two media
A hockey puck slides over ice with \mu _k = 0.013. What initial speed should the puck have so it travels the 56 m length of the rink
Consider two thin, ideal, conducting wires of radius a centered on r? = (?d/2,0,0) and r+ = (d/2, 0, 0), parallel to the z axis and extending to infinity. Assume that both conductors are in a vacuum.
In an integrated circuit, the current density in a 1.90 54.0 gold film is 7.60×105. What is the current in the film
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