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The height of the cliff is 9.00 m and the speed with which the stones are thrown is 14.00 m/s. Write an algebraic expression for the displacement yup of the upward-moving stone and ydown for the downward moving stone. Express your answer in terms of the stone's initial velocity vup, the time t, and the acceleration a in the vertical direction.
a tow truck is pulling a car out of a ditch by means of a steel cable y 2.0 x 1011 nm2 that is 8.87 m long and has a
In February 2004, scientists at Purdue University used a highly sensitive technique to measure the mass of a vaccinia virus (the kind used in smallpox vaccine). What is the mass of the virus in femtograms
a sphere with a 2.25 meter radius and a mass of 3.5 kilogram rolls down the inclined plane shown. at the bottom of the
A rocket with mass 1000kg accelerates upwards at a rate of 20m/s (a) How long does it take before it is going at the speed of sound (334 m/s)? (b) How long does it take before the rocket is at a height of 100km?
An 8cm^3 ice cube is floating in a 10x10x10 cm glass container completely filled with water, How much water is going to spill over when the ice melts
a diffraction grating with 210 lines per mm is used in an experiment to study the visible spectrum of a gas discharge
A certain light source is found to emit radiation whose peakvalue has a frequency of 1.00E15 Hz. Find the temperature of the source assuming that is a blackbody radiator
A "spinout" type carnival ride has a diameter of 4.0-m and rotates 3.0 times every 5.0 seconds. Find the linear speed of the rider
Two traveling sinusoidal waves are described by: y1=(5.00m) sin[4.00x-1200t] and y2=(5.00m) cos[4.00x-1200t] Determine amplitude, wavelength, frequency and speed of the resultant wave.
The manufacturers of a particular brand of car conduct head-on collision tests and find that in the absence of a passenger side air bag, What is the average force exerted on the childs head during collision
The photoelectric threshold wavelength of a tungsten surface is 272 nm. What is the threshold frequency of this tungsten
A figure skater can increase her spin rotation rate from an initial rate of 1.0 rev every 2.8 s to a final rate of 3.3 rev/s. what is her final moment of inertia
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