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A skydiver of mass m, jumps from an aircraft at an altitude of hmetres, with an initial speed of 0 m/s. She opens her parachute and lands with a final speed of v m/s. Which expression is equal to the energy dissipated by air resistance during the jump?
A laser beam is incident at an angle of 41.0° to the vertical onto a solution of corn syrup in water.b What is its frequencyin the solution
A rod is measured to be 12cm by an observer moving at 0.60c with respect to the length of the rod. What is the proper length of the rod
An oceanliner is heading due north with a speed of 8.5 m/s relative to the water. A small sailboat is heading 45 degrees east of north with speed of 1.0 m/s relative to the water. Find the relative velocity of the sailboat as observed by the passenge..
A monatomic ideal gas expands at constant pressure. (a) What percentage of the heat being supplied to the gas is used to increase the internal energy of the gas? (b) What percentage is used for doing the work of expansion?
A uniform electric field exists between two conducting plates separated by 1.7mm . A dust grain with charge 65 nC between the plates feels a 26N electric force, Find the electric field
Two large parallel plates stand side by side with a distance of 2.10 cm between them, Find the acceleration of the electron, Find the magnitude and direction of the electric field in the region between the plates
Two people start at the same place and walk around a circular lake in opposite directions. How long will it be before they meet
A cannon tilted upward at 26° fires a cannonball with a speed of 105 m/s. What is the component of the cannonball's velocity parallel to the ground
A storage tank at STP contains 15.0 kgof nitrogen (N2). What is the volume of the tank
A bar magnet is oriented with its magnetic dipole moment at 57.3° to the direction of a 0.0357-T magnetic field, Find the magnitude of the magnet\'s magnetic dipole moment
A circular loop of radius 2.58 cm contains 65 turns of tightly wound wire. what torque acts on the loop
A person on a safari wants to take a photograph of a hippopotamus from a distance of 78.8 m. The animal is 4.90 m long and its image is to be 1.24 cm long on the film. What focal length lens should be used
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