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A uniform beam of length 10 m and. Mass 100 kg is supported by pylons on either end. A 200 kg box is centered at 5m from the left end of the beam what is the downward force on the left most pylon?
A 7.000 kilogram bowling ball moves at 3.00m/s. Determine how fast must a 2.45 gram Ping Pong ball move so that the two balls have the same kinetic energy
The beam is cylindrical with 2.20 mm in radius. Determine the rms value of the B-field?
an electron and a proton are each accelerated through a potential difference pf 10.0 million volts. Find the momentum ( in MeV/c) and the kinetic Energy ( in MeV) of each and compare with the results of using the classical Formular.
A copper rod has a length of 1.6 meter and a cross-sectional area of4.8 x10-4 m2. What is the mass of ice per sec that melts
Suppose a spaceship runs out of fuel near a star. The crew erects a square, white sail 7.06 km on a side, Find the temperature of the star's surface
a proton is released from rest at the positive plate of a parallel plate capacitor. it crosses the capacitor and
a 200 g copper bowl contains 170 g of water, both at 20.0°C. A very hot 420 g copper cylinder is dropped into the water. How much energy is transferred to the water as heat.
Find the conductivity of a conduit with a cross-sectional area of 0.60 cm2 and a length of 15 cm, given that its conductance G is 0.050 ohm-1.
two identical charges are fixed to diagonally opposite corners of a square 0.5m on the side. each charge is 3x10-9c how
two uniform solid cylinders each rotating about its central longitudinal axis have the same mass of 4.90 kg and rotate
Two identical diverging lenses are separated by 16 cm. The focal length of all lens is -5.8 cm. An object is located 4.1 cm to the left of the lens that is on the left. Decide the final image distance relative to the lens on the right.
Hoursehoe bats use the Doppler effect to determine their location. A horsehoe bat flies towards a wall at a speed of 16.0 m/s while emitting sound of frequency 39.0kHz. What is beat frequency between the emission frequency and the echo? ____________ ..
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