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A certain centrifuge produces a centripetal acceleration of magnitude exactly 1230g at a point 11.9 cm from the axis of rotation. Find the number of revolutions per second?
A student from Sidney, Australia compares the distance he obtained from the 1-st spark mark to the 20-th spark mark, What difference in the results was found
The tangential speed of a particle on a rotating wheel is 3.5m/s. how long will the particle take to make one revolution
An electron of mass 9.11×10?31kg leaves one end of a TV picture tube with zero initial speed and travels in a straight line to the accelerating grid, Find the net force. (You can ignore the gravitational force on the electron)
An astronaut is traveling in a space vehicle that has a speed of 0.515c relative to Earth. The astronaut measures his pulse rate at 69.0 per minute. What pulse rate does the Earth observer measure
Only two forces act on an object (mass = 3.30 kg), as in the drawing. (F = 79.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object
An ideal monatomic gas is contained in a vessel of constant volume 0.340 m3. The initial temperature and pressure of the gas are 300 K and 5.00 atm, Find the specific heat of the gas
A spaceship moves away from Earth at a speed 0.297 c, Determine the speed of the shuttle relative to Earth
The isotope 15N undergoes radioactive decay to form 15C. What charged particle is emitted in the decay process? how much kinetic energy in MeV is given to the particle
A monatomic ideal gas expands on a linear process such that P=3V + P1 ( initial pressure.) P1 and V1 are the initial pressure and initial volume
A block of unknown mass, m, is brought into the configuration shown. It was measured that upon release the block shot upward a maximum distance of 2m. Calculate the mass of this block? The upper spring has a natural length of 1m, and the lower spr..
Illustrate what is the uniform speed of a gondola when the Ferris wheel is running at full speed?
boy goes to market with a average speed of 29 km/h.He returns back half the way he went with a average speed of 40 km/h. Find average speed for whole journey.
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