What is AC concerning electricity?

A visible light emits light with a wavelength of 4.00x10^-7m. Calculate the frequency of the violet light. a) 7.50x10^4Hz b) 6.30x10^24Hz c) 7.50x10^1Hz d) 6.30x10^-1Hz

A bike travels 4 miles in half an hour, what is its speed?

Element found in most of the compounds in ur body except for

two ships sail between New York and London. One makes the round trip in 12 days, the other in 16 days. They both leave London today. In how many days will both ships leave London together again?

A train is moving at 35 m/s to the east. it speeds up to 42 m/s east over the course of 40 seconds. what was trains acceleration

Does the acceleration of a falling body change or is it constant

What can cause sediment to form on land? Only mechanical weathering rocks Only biological weathering rocks Any kind of weathering or rocks Melting of rock in the core

The speed of a car is decreasing uniformly from 35 m/s to 15 m/s in 4 s the magnitude of the car's acceleration is

An object that has kinetic energy must what?

A student measures the length and width of a rectangle to be 40.7 cm and 0.599 cm, respectively. Wanting to find the area (in cm2) of this rectangle, the student multiplies on a calculator and obtains a result of 24.3793.