A periodic wave has a wavelength of 0.50 m and a speed of 20 m/s. What is the wave frequency?

Which of the following is not one of the steps in the scientific method? A. Hypothesize B. summarize - C. Familiarize D. Analyze

Three resistors, of 100, 200, and 300 ohms are connected in parallel. What is their equivalent resistance? (Unit = ohms)

Forrest spills some acid on the lab floor. He notifies his teacher and begins to look for baking soda to neutralize the acid on the floor. =

A car starts from rest and accelerates at a constant rate. After the car has gone 50 m it has a speed of 21 m/s. What is the acceleration of the car? A. 4.4 m/s2 B. 2.4 m/s2 C. 0.23 m/s2 D. 5.5 m/s2

The principle that describes the force on a charge in a magnetic field was named for who

Which actions are evidence that a chemical reaction has occurred? Check all that apply. A: a change in color B: the formation of a precipitate C: a clear liquid becoming cloudy D: a change in shape E: the formation of bubbles F: the formation of

Which sphere forms Earth's outermost layer? Atmosphere Biosphere Cryosphere Hydrosphere

an 100kg object traveling at 50m/s collides (perfectly inelastic) with a 50kg object initially at rest. what is the sum of the momentum of both objects prior to the collision?

A train moves at constant velocity of 50km/h. how far will it move in 0.5h?

Which process best describes part of a scientific investigation? O designing a solution O evaluating the conclusion O evaluating the solution O identifying the conclusion