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Question: Mike is a 70 kg pole-vaulter. He falls from a peak height of 5.90 m after pole-vaulting over a crossbar setat that height. He lands on a thick mat. When Mike first makes contact with the mat, his center of gravityis only 1.0 m high. During Mike's impact with the mat, the mat compresses. At the point of maximum compression, Mike's vertical velocity reaches zero, and his center of gravity is only 0.5 m high.
Helium gas with a volume of 2.60L under a pressure of 1.70atm and at a temperature of 43.0 oC is warmed until both the pressure and volume of the gas are doubled. How many grams of helium are there
question 1 a cart of mass 3.2 kg is moving with a velocity of 15.2 ms. it makes a head-on perfectly inelastic collision
A particle undergoes uniform circular motion of radius 28.3 µm in a uniform magnetic field. The magnetic force on the particle has a magnitude of 1.45 1017 N. What is the kinetic energy of the particle?
A high diver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting from rest. what average upward force did the water exert on her
a spaceshipmo 10000 kg amp lo 42m is observed to be 42.2m long while traveling towards earth. determine the speed of
an electron is traveling near a current-carrying wire. the electron is moving along the x axis with the velocity along
A uniform electric field exists everywhere in the x, y plane. This electric field has a magnitude of 4700 N/C and is directed in the positive x direction. Determine the magnitude of the net electric field at x = -0.17 m
A long, current-carrying solenoid with an air core has 1670 turns per meter of length and a radius of 0.0194 m. What is the mutual inductance of this system?
Find the equivalent capacitance between points A and B for the three capacitors in parallel. What Is the charge on the 7.9-μF capacitor If a 51.8-V emf is connected to the terminals A and B for a long time?
a block of mass m is placed against the inner wall of a hollow cylinder of radius r that rotates about a vertical
Imagine that you work for a company that sells three (3) major products and has traditionally been conducting business within the U.S.
Assume 0.415 kilogram of water initially at 39.5°C is poured into a 0.300 kilogram glass beaker having a temperature of 25.0°C. Find what is the final equilibrium temperature of the system
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