How does a star form from a nebula?

What is the effective (rms) current value for an ac current with an amplitude of 10 a?

How does the magnetic force exerted by a magnet change as the distance between two magnets increases

Who explained the behavior of positively charged particles being deflected from a metal foil as the nucleus?

You start with $15 and save $8 each week. What algebraic expression models models the total amount you save? A. 8+15w B. 15-8w C. 15+8w D. 23w

A helicopter flies 30 km 30 degrees north of east, drops of the supplies to a research team; it then heads 50 degrees north of west traveling 70 km to drop the supplies to a filming crew. What is the resultant displacement of the helicopter?

My science fair project is: Texting Versus Talking - Effects of Cell Phones on Reaction time. What should I research?

The shape of earth's land masses and the of tilt its axis could have triggered climate changes in the past. True False

When you look at a single slit diffraction pattern produced on a screen by light of a single wavelength, you see a bright central maximum and a number of maxima on either side, their intensity decreasing with distance from the central maximum.

Two particles with the same charge will repel each other. True or false

your friend is bragging about his motorcycle. he claims that it can go from a stop in position to 50 mph in three seconds. He is describing the motorcycles