How much time did it take to go around the moon
During an Apollo lunar landing mission, the command module continued to orbit the Moon at an altitude of about 100 km. How much time did it take to go around the Moon once? Give your answer in seconds.
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Write the number 2,500,000 light-years in scientific notation. Write the equivalent number of miles in scientific notation. Please show workings.
A hot (70^{circ}C) lump of metal has a mass of 250 g and a specific heat of 0.25 cal/g.^{circ}C. John drops the metal into a 500-g calorimeter containing 75 g of water at 20^{circ}C. The calorimeter is constructed of a material that has a specific
A world-class sprinter accelerates to his maximum speed in 3.8 s. He then maintains this speed for the remainder of a 100-m race, finishing with a total time of 10.3 s. What is the runner's average acceleration during the first 3.8 s?
A gorilla weighs 8.00*(10*10) N and swings from vine to vine. as the forilla grabs a new bine, both vines make an angle of 30 degrees with the vertical, sin such a condition of static equilibrium, what is the net force on the vine?
A 330-kg piano slides 3.6 m down a 28º incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (Fig. 6-36). The effective coefficient of kinetic friction is 0.40. Calculate the force exerted by the man
A box weighing 470 N is pushed along a horizontal floor at constant velocity by a force of 260 N parallel to the floor. What is the coefficient of kinetic friction between the box and the floor?
A certain telescope has an objective of focal length 1580 cm. If the Moon is used as an object, a 1.4 cm long image formed by the objective corresponds to what distance, in miles, on the Moon? Assume 3.8 multiplied by 108 m for the Earth-Moon dist
A nonreflective coating of magnesium fluoride (n = 1.31) covers the glass (n = 1.52) of a camera lens. Assuming that the coating prevents reflection of yellow-green light (wavelength in vacuum = 568 nm), determine the minimum nonzero thickness tha
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The wettest places on Earth get slightly more than 10 times as much rain as the average for the Earth. (The average for the Earth is more-or-less
A 20-acre suburban commercial lot has stores and parking lots. The corresponding NRCS curve number is 97. What is most nearly the amount of runoff created
Question: Which of the following can be observed from Earth's surface? Need Assignment Help? Choose one or more:
Water moves through soil and rocks at very different rates in different places. What is accurate about this motion of groundwater?
Many humans drink groundwater, which is water that is pumped out of wells drilled into the ground. Humans also spill many pollutants
Problem: Naturally, the upper surface of the Mississippi Delta near what is now New Orleans:
Question: Eastern Africa's forests are divided into which main regions? Question options: Rainforests and savannas Highland