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A garage lift has input and lift(output)pistons with diameters of 10cm and 30cm respectively. The lift isused to hold up a car which weighs 3150 lb. Find the force which must be exerted on the input piston to hold this weight.
Two astronauts are at rest in outer space, one 19.7 m from the Space Shuttle and the other 39.4 m from the Shuttle. Using a 129.0-W laser, how long will it take her to reach the Space Shuttle
q1. a single bead can slide with negligible friction on the stiff wire that has been bent into a circular loop of
Because the neutron has no charge, its mass must be found in some way other than by using a mass spectrometer. Find the mass of the neutron from these data
A diffraction grating with 395 lines/mm is 1.00 m in front of a screen. What is the wavelength of light whose first-order maxima will be 16.9 cm from the central maximum on the screen.
If a particle of mass 4.8 kg is moving east at 10 m/s and a particle of mass 17 kg is moving west at 10 m/s, what is the velocity of the center of mass of the pair
A moving particle encounters an external electric field that decreases its kinetic energy from 9520 eV to 7060 eV as the particle moves from position A to position B.
An ammeter with an internal resistance of 51.0 ? measures a current of 5.05 mA in a circuit containing a battery and a total resistance of 1390 ?. Determine the actual value of the current
In a church choir loft, two parallel walls are 5.88 m apart. The singers stand against the north wall. The organist faces the south wall, sitting 0.619 m away from it. So that she can see the choir, a flat mirror 1.147 m wide is mounted in the south ..
Sewage at a certain pumping station is raised vertically by 5.30 m at the rate of 1 920 000 liters each day. The sewage, of density 1 050 kg/m3, Find the output mechanical power of the lift station
Find the rms voltage across each element in an RLC circuit with R = 9.2k ohm, C= 0.13 uF, and L= 25mH. kH
Pulsars are neutron stars that emit X rays and other radiation insuch a way that we on Earth receive pulses of radiation from thepulsars at regular intervals equal to the period that they rotate.Some of these pulsars rotate with periods as short a..
A cylinder made of insulating material has a uniform volume charge density. The cylinder is 20m in length and a radius 0.2m. The total charge on the cylinder is 4nC. Half way down the cylinder's length, what is the electric field outside the cylinder..
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