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A 60.0-kg runner expends310W of power while running a marathon. Assuming that 11.0%of the energy is delivered to the muscle tissue and that the excess energy is removed from the body by sweating, determine the volume of bodily fluid (assume it is water) lost per hour.
A cube of ice is taken from the freezer at -9.4°C and placed in a 94 g aluminium calorimeter filled with 315 g of water at room temperature of 20°C. The final situation is observed to be all water at 19°C. What was the mass of ice cube.
Find the change in momentum of a 1380 kg car that increases its speed from 6.0 m/s to 16.0 m/s in a time of 16 s while traveling in the same direction? Express your answer to two significant figures and include the appropriate units. What minimum for..
A thick, conducting, spherical shell of inner radiusa = 0.7 cm and outer radius b = 1.3 cm is uncharged. The shell surrounds a point charge +Q = 3.10×10-3 C at itscenter (see the figure). What is the surface charge residing on the inner surface oft..
the uss enterprise accelerates from rest at 100000 ms2 for a time of four seconds. how far did the ship travel in that
A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. Calculate the buoyant force exerted by the water on the sphere
A 50.4-g golf ball is driven from the tee with an initial speed of 40.9 m/s and rises to a height of 25.7 m. determine the kinetic energy of the ball at its highest point
using the simulation adjust the transmitter so that it is in sinusoidal mode and the electrons are oscillating up and
If the terminals of a battery are connected across two identical resistors in series, the total power delivered by the battery is 8.0 W. what is the total power delivered by the battery
A charge of −1 Coulomb is placed at the 100-cm mark of the same meter stick. Elucidate is it possible to place a proton somewhere on the meter stick so that the net force on it due to the two charges is 0?
Two packing crates of masses 10.0 kg and 5.00 kg are connected by a light string that passes over a frictionless pulley. Find the tension in the string between the crates
A bullet with a mass of 4.0 g and a speed of 650 m/s is fired at a block of wood with a mass of 0.095 kg. What is the speed of the bullet when it exits the block
A women drove to work at an average speed 40 miles per hours and returned along the same route at 30 miles per hour. What was the total number of miles in the round trip
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