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Problem: A baseball bat has a mass of 0.82 kg and is 0.86 m long. It's held vertically and then allowed to fall.
Part A: What is the bat's angular acceleration when it has reached 20° from the vertical? (Model the bat as a uniform cylinder).
I want help to find the bat's angular acceleration when it has reached 20° from the vertical.
A 795 kg car moving at 26 m/s brakes to a stop. The brakes contain about 15 kg of iron, that absorbs the energy. What is the increase in temperature of the brakes.
Discover the minimum aperture diameter of a camera that can resolve detail on the ground the size of a person(2.0 m) from an SR-71 Blackbird airplane flying at an altitude of 29 km. (Suppose light with a wavelength of 480 nm.)
The speed of waves on a guitar string is 113 m/s. What is the fundamental frequency of the string when the effective string length is 68.7 cm?
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frequency amp wavelengthexplain how medical magnetic resonance imaging mri exploits the magnetic properties of the
A 13 cm long, 9 mm diameter string was found to stretch 4.9 mm under a force of 11 N. The string breaks at a force of 40 N. What is the ultimate strength of the string? What is the modulus of elasticity of the string?
How much force does the astronaut exert on his chair while accelerating straight up at 18.0m/s2
While traveling along a level highway at a speed of 27m/s you shift the vehicle into neutral and find it takes 45 second to slow down to 20 m/s mile per hours.
Two loudspeakers in a 20°C room emit 629 Hz sound waves along the x-axis, If the speakers are out of phase, what is the smallest distance between the speakers for which the interference of the sound waves is constructive
a parallel-plate capacitor is made from two aluminum-foil sheets each 5.7 cm wide and 5.6 m long. between the sheets is
A boy of mass mboy stands at the edge of a merry-go-round of radius R = 3.9 m and mass mmgr, and both are initially at rest. Find the ratio of mboy to mmgr
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