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A particle of mass 0.10 kg is attached to a spring of spring constant 10N/m. If the maximum acceleration of the particle is 5.0 m/s2, what is the maximum speed of the particle?
A shotgun fires a large number of pellets upward, with some pellets traveling very nearly vertically and others as much as 1.0o from the vertical. suppose that the initial speed of the pellets is uniformly 150ms-1 and ignore air resistance.
a quarterback throws a pass at an angle of 40 degrees above the horizontal with an initial speed of 22.0 m/s. determine the max height of the ball
A set of crash tests consists of running a test car moving at a speed of 13.0 m/s (28.6 m/h) into a solid wall. Calculate the size of the average force which acts on the dummy during that time
A reversible engine takes in 555 joules per second and exhausts 482 watts. how much power does it produce
Every day our Earth receives 1.55×1022 J energy from the Sun. If we were able to use 0.85 percent of this energy to accelerate spaceships, then how various missions will be possible in one year.
A juniper wood plank measuring 5 ft by 0.6 ft by 0.3 ft is totally immersed in water. What is the net force acting on the plank
A box starts out at the top of a frictionless ramp, then slides down. The ramp has a heighth=3meters and a slope of5degrees with respect to the ground. What is the total mechanical energy of the box at the top of the ramp
To help prevent frost damage, fruit growers sometimes protecttheir crop by spraying it with water when overnight temperaturesare expected to go below the freezing mark. How much heat is released by the water when it freezes
a 0.06m 3 rigid tank initially contains water at 1.5 mpa with a quality of 20. the tank is heated and a pressure
A sample of the radioactive nuclide is prepared that has an initial activity of 7.28×1011 .92.4 after the sample is prepared, What is the half-life of this nuclide
A hydrogen atom, initially at rest, emits an ultraviolet photon with a wavelength of \lambda = 122nm. What is the recoil speed of the atom after emitting the photon
Suppose we have a gas in thermal equilibrium at temperature T. Each molecule of the gas has mass m. (a) What is the ratio of the number of molecules at the Earth's surface to the number at height h(with potential energy mgh)?
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