3. Which of the following magnetic scenarios will repel each

other?

1. N-N 2. N-S 3. S-N 4. S-S

a. 1 and 2

b. 2 and 3

c. 1 and 4

d. 3 and 4

A 0.100 kg ball hangs from a spring of negligible mass. When the ball is hung on the spring and is at rest, the spring is stretched by 0.

Which gas is linked with increases in Earth's average temperature? a. argon b. oxygen c. nitrogen d. carbon dioxide

Why pressure above the surface is greater than in the air

A jet fighter is coming in to land on an aircrft carrier, flying at a speed f 24 m/s. It comes to rest on the deck of the carrier in just 1.6 s. What was the acceleration the pilot felt during landing.

Compare the sounds produce by wave A and wave B. The human ear would hear A) wave A as a louder sound than wave B. B) wave A as a higher pitched sound than wave B. C) wave A and B with the same pitch, but wave A as louder.

The three main domains of child development are physical, blank, and psychosocial

Which formula is used to calculate the mass of an object if the force and acceleration are known? a: m = Fa b: m = F/a c: m = a/F d: m = F - a

The circulatory system keeps the body and its tissues continuously oxygenated. It does this by having A) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.

What is the "atomic mass" of an atom?

What type of energy comes from the food that we eat?