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The intensity of sunlight on the upper atmosphere of the earth is approximately 1400m^2 . The distance of the earth from the sun is 150x10^6 km.The distance of mars from the sun is 228x10^6 km. A satellite orbiting the earth has solar cell of area 100m^2 that it uses to power its instruments. If the satellite were orbiting mars, how large would its solar cell area have to be to provide the same power?
A)152m^2,
B) 231 m^2,
C)66 m^2,
D)304m^2,
E)442 m^2
The exhaust fan on a typical kitchen stove pulls 600 CFM (cubic feet per minute) through the filter. how many cubic meters per second does this fan pull
Pluto spins about its axis with a period of approximately 6.39 Earth days. What is the rotational angular speed of Pluto
Two particles are fixed to an x axis: particle 1 ofcharge -7.52 x 10-7 C is at the origin and particle 2 ofcharge +7.52 x 10-7 C is at x = 16.6 cm. Midwaybetween the particles, what is the magnitude of the net electricfield?
An pickup truck with mass 1.79 103kg is traveling eastbound at +14.1 m/s, Find the speed of the entangled vehicles after the collision
The second order maximum produced by a diffraction grating with 580 lines per cm is at angle of 3.5o. Find the wavelength of light that illuminates the grating
A shop sign weighing 245-N is supported by a uniform 155-N bean. Find out the tension in the guy wire, and the horizontal and vertical forces exerted by the hinge on the bean.
A hollow sphere of radius R has a potential on its surface specified by the function V(R,θ) = Vocos2θ. Find the electric potential inside and outside the sphere
Two cars collide head-on while each is traveling at 80 km/hr. What is the temperature increase of each car
If an X-ray beam of wavelength 1.4 × 10-10 m makes an angle of 30° with a set of planes in a crystal causing first order constructive interference, what is the plane spacing
A spaceship ferrying workers to Moon Base I takes a straight-linepath from the earth to the moon, a distance of about 384,000 km. What is the maximum speed attained
What are some of the instruments that you might use in order to ascertain pressure and is there a different instrument for gauge pressure and absolute pressure?
A 60.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.760 and 0.410, correspondingly. What horizontal pushing force is required to (i) just start the crate moving and (ii) slide the crate ..
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