A radio wave has a frequency of 1000Hz. What is the energy of the wave?

Olivia is comparing two products: limestone and coffee. Limestone is made from minerals, and coffee is made from plant seeds. Which statement best compares these two products? A.

A mass of 0.4 kg hangs motionless from a vertical spring whose length is 0.76 m and whose unstretched length is 0.41 m. Next the mass is pulled down to where the spring has a length of 1.01 m and given an initial speed upwards of 1.6 m/s.

A car heading north collides at an intersection with a truck heading east. if they lock together and travel 28 m.

How do you distinguish between speed, velocity, and acceleration?

Where is the fluid in a graduated cylinder should be read at

Scientists hypothesize that oxygen began to accumulate in earth's atmosphere of living things with the ability to?

The 3 stages of the water cycle are

What is the main natural force responsible for mass movement of rocks and debris?

In a mass spectrometer, a specific velocity can be selected from a distribution by injecting charged particles between a set of plates with a constant electric field between them and a magnetic field across them (perpendicular to the direction of

What is the force of attraction between two masses 5kg and 8kg at a distance of 60cm apart. (A) 4.5*10-9N (B) 5.6*10-9N (C) 7.4*10-9N (D) 8.0*10-9N (E) 10.5*10-9N