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Calculate the size of the smallest object on Mars that this telescope can resolve. Assume Mars is at its closest distance 7.8 × 1010 m from the Earth. Ignore the effect of the Earth's atmosphere on the resolution.
The temperature of a gold bar rises by 10.0°C when it absorbs 0.677 kJ of energy by heat. Determine the specific heat of gold
A husband buys a helium-filled anniversary balloon for his wife. The balloon has a volume of 4.3L in the warm store at 76?F. By how much has the volume decreased in liters
Illustrate what are some pros and cons of the kitchen-sink reporting model? Illustrate what are some pros and cons of the minimalist reporting model? Explain and give examples for both.
mass of the earth is 5.97x10^24 kg. the radius of its orbit around the sun is 1.50x10^11m. calculate the force between the earth and the sun
An object is located 15 cm in front of (to the left of) a converging lens with a focal length of 10 cm. To the right of the converging lens, What is the location of the final image
Two point charges are on the y-axis. A 6.0 µC charge is located at y = 1.50 cm, and a -2.46 µC charge is located at y = -1.40 cm. (a) Find the total electric potential at the origin. (b) Find the total electric potential at the point having coordi..
The equation of a transverse wave on a string is y = (5.7 mm) sin[(20 m-1)x + (760 s-1)t]. The tension in the string is 30 N. Find the linear density of this string in grams per meter
When operated on a household 110-V line, typical hair dryers draw about 1650 W of power. What is the resistance of the dryer
A small immersion heater is rated at 350 W. Estimate how long it would take a heat a cup of soup (assume this is 250 mL of water) from 20C to 60C.
A 280-kg piano slides 4.3 m down a 30o incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.
You wish to replace the flooring in your kitchen with square linoleum tiles that measure 12 inches on a side. how many such tiles will you need to buy
A straight filament 7.00 m in length that is uniformly charged has a total positive charge of 2.0 uC, calculate the electric field at the surface of the cylinder and the total electric flux through the cylinder
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