What is the approximate size of the smallest object on the earth that astronauts can resolve by eye when they are orbiting 250 km above the earth? assume λ = 500 nm and a pupil diameter of 5.00 mm?

what is the predictable motion of a wheel? How did the predictable motion of wheels enhance transportation

The chart shows specific heat data for four substances. A chart with 2 columns and 5 rows. The first column is labeled substance with entries W, X, Y, Z. The second column is labeled specific heat with entries 2.542,.900, 3.209, 1.657.

A ripe acorn falls down from a branch with an initial velocity v0 = 0. The acorn's vertical displacement until it hits the ground (neglecting the effects of air) could be derived using

What are the 3 major wind belts?

A force that pushes or pulls is known as

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.