in the 1950s an experimental train that had a mass of 33200kg was powered across a level track by a jet that produced a thrust of 5.03*10^5N for a distance of 494m. Find the work done on the train

A rifle bullet is fired horizontally at the same instant another bullet is allowed to drop from rest at the same height. Which bullet strikes the earth first? A) The bullet from the rifle. B) The bullet allowed to drop.

A student throws a baseball at a large gong 52 m away and hears the sound of the gong 1.73333 s later. The speed of sound in air is 330 m/s.

How are chemicals brought into plants through the chemical cycle

Explain why a greater frequency indicates greater energy in a wave.

Is a bath tub renewable or not?

Three resistors, R1 = 10 Ω, R2 = 20 Ω and R3 = 30 Ω are connected in series to a 12 V battery. Find: a. The equivalent resistance of the circuit. b. The current in each resistor. c. The voltage across each resistor. d.

What are the basic rules of basketball? Are the rules different for men's versus women's competition?

A note is being played on a string on a guitar. The string is then pushed to the side while still in contact with the same fret. What happens to the frequency of the note then played compared to the original note?

What would you predict about a chemical that has a hydrogen ion concentration of 1 * 10-12 M? It will form salt and water when added to a base. It contains no hydroxide ions. It has high concentration of hydroxide ions. It has a sour taste.

What are the three theories of light?