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18.53 Mars is 1.52 times farther away from the sun than the earthis and has a diameter.532 times that of the Earth.
a) what is intensity of solar radiation in (W/m2)on the surface of Mars?
b) Estimate the tempreature on the surface of Mars.
We are not normally aware of the gravitational or electric force between two ordinary objects. What is the reason in each case? Give an example where we are aware of each one and why.
question1a 43 n toys is placed in a light swing that is attached to ropes 3.5 m long.a discover gravitational potential
The speed of a transverse wave on a string is 440 m/s, and the wavelength is 0.13 m. The amplitude of the wave is 1.6 mm. How much time is required for a particle of the string to move through a total distance of 1.0 km?
Suppose a 100m diameter stony (p= 3 g/cm^3) meteroid impacts the Earth with a speed of 20km/s. Assume all kinetic energy goes into the creation of an atmospheric blast wave.
find the velocity of the plane relative to the ground.
How to compute for the density of dark matter estimate mass density of dark matter in the solar neighbourhood. Express the answer in units of kg m-3, Msun pc-3, Msun AU-3.
A train is traveling up a 3.3 incline at a speed of 3 when the last car breaks free and begins to coast without friction. How long does it take for the last car to come to rest momentarily? How far did the last car travel before momentarily coming..
A woman has a mass of 59 kg, What is her weight on earth and What are her mass and her weight on the moon
An electron moves to the right with a speed of 0.84c relative to the laboratory frame. Find the speed of the proton relative to the laboratory frame
determine the force exerted by the wood on the bullet.
In order to view the craters of the Moon, you construct a refracting telescope from a lens with focal length 90.7 cm as its objective and a 11.5-cm focal length lens as its eyepiece
Monochromatic light falls on a slit that is 2.80*10^-3 mm wide. If the angle between the first dark fringes on either side of the central maximum is 36.0 degrees
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