What is the part that includes land and water

A beam of electrons, each with the same kinetic energy, illuminates a pair of slits separated by a distance of 51 nm. The beam forms bright and dark fringes on a screen located a distance 2.6 m beyond the two slits.

A boy is sledding down a hill and has an initial speed of + 12 m/s. He continues to speed up and reaches a final velocity of + 18m/s after traveling for 12 seconds what distance does the boy travel?

What wave property increases as the number of vibrations producing the wave increases?

A radiographer in a hospital is preparing a sample of technetium-99. Name two protective measures she should be to ensure she is safe from the radiation?

A 10-gram aluminum cube absorbs 677 joules when its temperature is increased from 50°c to 125° c. what is the specific heat of aluminum? express the answer to the hundredths place

Find the period and frequency of a green photon that had a wavelength of 525 nm

Match these items. 1 . involuntary muscle tissues that have fibers 2 . tendons muscle controlled by will 3 . cardiac muscle muscle not controlled by will 4 . voluntary muscle arm muscle 5 . biceps heart muscle

Assuming that voltage remains constant, what happens to the current in a filament if it is replaced by a thinner wire? A. The current increases. B. The current decreases. C. The current is not affected by a change in filament thickness. D.

What is blochemistry?

Which element in period 3 on the periodic table is a metallioid