What number is neutrons protons electrons of helium

What does the theory of continental drift explain?

The electromagnetic wave that CT scans are based on is called a

A water wave has a frequency of 2 HZ and a wavelength of 5 meters what is its speed

In Nissan Variable Compression Turbo Engine, what takes the place of a fixed-length connecting rod?

Solar energy is used to heat hot water in homes. Which describes what happens to the solar energy? A. Solar energy and thermal energy maintain kinetic equilibrium. B. Solar energy is conserved as it creates thermal energy. C.

Which interaction of nature binds neutrons and protons into nuclei? A. strong B. weak C. electromagnetic D. gravitational

Why does icing sugar dissolve more rapidly than granular sugar?

At t = 0 the components of a radio-controlled car's velocity are vx = 0.5 m/s and vy = 1.2 m/s. Find the components of the car's velocity at t = 4.

2) A window washer pulls themselves upward using a bucket pulley apparatus. A) How hard must pull downward to raise herself slowly at a constant speed? B) If she increases this force by 15%, what will her acceleration be?

A star with an original mass of 8 to 25 solar masses will ultimately become a? a) red giant b) white dwarf c) neutron star d) main sequence star