What is 143 rounded to the nearest 10

A child aims his air rifle at an angle of 10 degrees above the horizontal. he fires a bb while simultaneously dropping another b-b from rest, from the same height as the rifle barrel. which b-b will hit the ground first

Where does the bulk of atmosphere oxygen come from

Folded mountains form when two plates converge and?

A horse does 910 J of work in 380 seconds while pulling a wagon. What is the power output of the horse? Round your answer to two significant figures.

In the equilibrium experiment, the meter stick is not uniform, and you find that it balances at 45 cm mark. If you cut this meter stick at the 45 cm position, and weigh the two sides, which side will have more mass? a. The smaller side. b.

Describe the uses of compound pulleys

Why do cities on the East Coast have warmer climates than cities on the West Coast at similar latitudes?

What energy transformations take place when you eat a taco and then go for a jog around the neighborhood?

What is the kinetic energy of a 1.40 kg discus with a speed of 22.5 m/s?

A + B → C + D If there are 4 grams of product produced by the chemical reaction, how many grams of reactant were consumed? A) 0 grams B) 1 gram C) 2 grams D) 4 grams