Samantha cycles for 3 hours at a speed of 40 kilometers/hour. What distance did she travel?

Which of the following prefixes represents the biggest number? a. kilo b. hector c. centi d. milli

The acceleration produced by a net force on an object is

Neon (Ne) is very unreactive. Which of these elements most likely shares this property?

When white light goes through a prism, it undergoes refraction and the different colors of white light are separated. This occurs because---.

If a bar magnet is cut 3 times resulting in 4 smaller magnet pieces, then each new magnet will have * A. only a N pole B. only a S pole C. both a N and S pole D. neither a N nor a S pole

What are the characteristics of prokaryotes? A.) A prokaryote lacks a well-defined nucleus. B.) A prokaryote cannot perform basic life functions. C.) A prokaryote lacks cell organelles. D.) A prokaryote is larger than a eukaryote.

In a perfectly inelastic collision, the total momentum of the system ___ (i) ___ constant, while the total kinetic energy of the system___ (ii) ___constant.

What factors determine power

Superman, with a mass of 150kg, goes into outer space to push a 125000kg alien spaceship out of stationary orbit. He uses his super strength and pushes the ship away ay at speed of 150m/s. What is the speed of Superman after his big push

Most telephone cables are made of copper wire of either 24 or 26 gauge. If the resistance of 24-gauge wire is 137 Ω/mile and the resistance of 26-gauge wire is 220 Ω/mile, what is the ratio of the diameter of 24-gauge wire to that of 26-gauge wire?