A pebble is dropped from a cliff. Neglecting air resistance, if the rock falls for 4 seconds. How fast is it moving?

Stars are able to form from clouds of dust and gas because of. A) The Law of Entropy. B) The Law of Propulsion. C) The Law of Universal Gravitation. D) The Law of Stellar Evolution

3 characteristics of physical change

Which waves can be seen by people?

Eventually, the process approaches a steady state. In that steady state, the charge of the capacitor is not changing. What is the current in the circuit in the steady state?

How many electrons make up one colomb of charge?

Which of the following describes a physical change? A. Formation of a new substance caused by combining substances B. Water changing from liquid to gas through evaporation or boiling C. Formation of a new substance caused by application of heat

A wave seen at the ocean's shore is which kind of wave? A. Surface wave B. Transverse wave C. Latitudinal wave D. Longitudinal wave

The acceleration due to gravity is equal to second squared. (round to 2 significant digits)

In the diagram above (not to scale), Vx/y = 12.57 meters/second and Vy/z = 5.21 meters/second. What is the value of the resultant vector?

What are the Respiratory organs?