A 230 kg steel crate is being pushed along a cement floor. The force of friction is 480 N to the left and the applied force is 1860 N to the right. What is the normal force?

A. 480 N down

B. 480 N up

C. 2300 N down

D. 2300 N up

In a motion diagram the size of the object must be less than the distance moved t or f

Which statement is true of a catalyst? A. It behaves as a reactant in a chemical reaction. B. It increases the temperature of a reaction. C. It decreases the concentration of the products. D. It accelerates the reaction rates of a mixture.

How many moles of ethane (C2H6) would be needed to react with 62.3 grams of oxygen gas? Unbalanced equation: C2H6 + O2 → CO2 + H2O Show, or explain, all of your work along with the final answer.

Compare producers and consumers in an ecosystem.

Will mark as Brainliest. A 642 mL sample of oxygen gas at 23.5°C and 795 mm Hg, is heated to 31.7°C and the volume of the gas expands to 957 mL. What is the new pressure in atm? A) 0.723 atm B) 0.932 atm C) 3.05 atm D) 5.19 atm

Why is HBrO a weak acid

Plastic, rocks, and steel are all matter. They are made of tiny particles that can't be broken down into smaller pieces. These particles are called:

The palm tree with island is a population or biome or community

A gene is a section of dna within a chromosome that codes for a

An electron charge e mass m and a positron charge e mass m revolve around their common center of mass under the influence of their attractive coulomb force Find the speed v of each particle in terms of e m k and their separation L