a farmer moves along the boundary of a square field of side 10 m in 40 s. what will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds from his initial position?

The velocity of the transverse waves produced by an earthquake is 8.9 km/s, and that of the longitudinal waves is 5.1 km/s. A seismograph records the arrival of the transverse waves 68 s before the arrival of the longitudinal waves.

Another word for an amp-volt is a (n) a. ohm b. watt c. joule d. coulomb

An ostrich can run 10km in 15 minutes what is it's speed in kilometers per hour?

A 235-kg crate is pushed horizontally with a force of 791 n. if the coefficient of kinetic friction is 0.25, calculate the acceleration of the crate.

What type of lens causes parallel rays to come together after passing through the lens?

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons

Gamma radiation can be significantly reduced by ... A sheet of paper Air A 3 mm thickness of aluminium Several cm of lead