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A bowler holds a bowling ball with massM = 7.3 kg in the palm of his hand. Lower arm has massm = 1.8 kg. As the figure shows, his upper arm is vertical and his lower arm is horizontal.What is the magnitude of(a) the force of the biceps muscle on the lower arm and(b) the force between the bony structures at the elbow contact point?
A well-insulated bucket of negligible heat capacity contains 158 gram of ice at 0°C. Calculate what mass of ice remains
an engine, a piston oscillates with simple harmonic motion so that its position varies according to the expression, x = 3.00 cos 3t + ? divide by 4, Find the period and amplitude of the motion
Consider an engine operating with a monatomic ideal gas of 0.5 moles on a 3 stroke cycle with a PV diagram shown below. What is the real efficiency of this engine
It is claimed that if a lead bullet goes fast enough, it can melt completely when it comes to a halt suddenly, Find the minimum speed of a lead bullet
in a sodium chloride molecule the equilibrium separation of the na and the cl- ions is 0.24 nm. assuming that the ions
A satellite orbits a planet of unknown mass in a circle of radius 2.3 x 107 m. The magnitude of the gravitational force on the satellite from the planet is F = 89 N. What is the kinetic energy of the satellite in this orbit
A laser beam of unknown wavelength passes through a diffraction grating having 5590lines/cm , At what angle will the next pair of bright spots occur
A very long, straight wire carries a current of 0.17 A. This wire is tangent to a single-turn,circular wire loop that also carries a current. The directions of the currents are such that the net magnetic field at the center ofthe loop is zero.
a battleship simultaneously fires two shells toward two identical enemy ships. one shell hits ship a which is close by
Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0kg), are practicing, What are the magnitude and direction of Daniel's velocity after the collision
A uniform rope of mass m and length L is hanging straight down from the ceiling. A small-amplitude transverse wave is sent up the rope from the bottom end. Derive an expression that gives the speed v of the wave on the rope in terms of the distanc..
A boat moves at 12.0m/s relative to the water. how long does it take the boat to make a complete round trip of 1000.0m upstream followed by 1000.0m downstream
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