A train approaching a crossing changes speed from 25 m/s to 10 m/s in 240 s. How can the train's acceleration be described?

Calculate the force on an object that has a mass of 12kg and an acceleration of 4m/s2.

Which number is not rounded correctly? A. 143 rounded to 140 B. 0.027 rounded to 0.03 C. 1467 rounded to 1470 D. 12.58 rounded to 12.5

An ant moves at 5 cm/s. It takes her 2 minutes to cross a road. How wide is the road?

What is clean Cole technology

Underground water is to be pumped by a 78 percent efficient 5-kW submerged pump to a pool whose free surface is 30 m above the underground water level. The diameter of the pipe is 7 cm on the intake side and 5 cm on the discharge side.

How is Electric current able to flow?

In a series circuit, loads which have the same voltage dropped across them will have?.

When a brick is dropped from the roof of a house, it lands on the ground with a speed v. What will the speed at ground level be for an identical brick dropped from a roof twice as high as the first one?

The scientific method begins with recognizing a problem. The recognized problem in this scenario is, "Why is the printer in the office not working?" Choose the hypotheses that are testable and from which an experiment can be formed.

The correctly balanced equation for H2O2 → H2O + O2 is