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What fraction of the power radiated by the sun is intercepted by the planet Uranus? The radius of Mercury is 2.56 x 107m, and its mean distance from the sun is 2.87 x 1012m. Assume that the sun radiates uniformly in all directions.
The distance between two successive minima of a transverse wave is 2.45 m. Five crests of the wave pass a given point along the direction of travel every 14.5 s. (a) Find the frequency of the wave. Hz (b) Find the wave speed. m/s
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.65 cm apart. Determine the time interval the electron spends between the plates
a water jet is ejected from the nozzle of a fountain with speed vo 12 ms. letting beta 33 degrees determine the rate
A horizontal 605 N merry-go-round of radius 1.31 m is started from rest by a constant horizontal force of 77.9 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go- round
A movig particle encounters an external electric field thatdecreases its kinetic energy from 9510 eV to 6610 eV as theparticle moves from position A to position B. Theelectric potential at A is -59.0 V, and that at Bis +24.0 V. Determine the charge o..
A 29 kg sled starts from rest at the top of a frictionless hill inclined at an angle of 20 degrees to the horizontal. find the normal force on the sled due to the hill
determine the normal reaction at the roller a and horizontal and vertical components at point b for equilibrium of the
for a piece of material the steady-state flow across its thickness is 0.345x10-3 kgm2 h on the low pressure surface
The equation of a transverse wave traveling in a rope is given by y=10sinx(0.01x-2.000. where y and x are expressed in centimeters and t in seconds. Find the amplitude, frequency, velocity and wavelength of the wave. Find the maximum transverse speed..
A plate carries a charge of -3.7 C, while a rod carries a charge of +1.9 C. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge.
Water flows over a section of Niagara Falls at a rate of 1.07 × 106 kg/s and falls 40 m, How many 70 W bulbs can be lite with this power
An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.00 m/s on a smooth, slippery surface. What is the speed of the arrow after passing through the target
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