The nucleus consists of two types of particles, called protons and neutrons. A. True

B. False

Which of the following measurements is a deceleration? a. 0 km/h2 b. 1.7 m/s2 c. - 8.0 m/s d. - 5.6 km/s2

When a certain element is excited with electricity, we see three main lines in its emission spectrum: two red lines and one orange line. what would the absorption spectrum of this element look like?

A worker pulls horizontally on a crate across a rough horizontal surface, causing it to move forward with constant velocity. Force A is the force exerted by the worker and force B is the force of friction due to the surface.

Un niño de 30kg está usando zapatillas, cada una con una superficie de apoyo de 150cm2. Calcula su peso y la presión cuando está apoyado con los dos pies y cuanto está apoyado en un solo pie.

What is the approximate diameter of an inflated basketball? (1) 2 * 10^-2 m (3) 2 * 10^0 m (2) 2 * 10^-1 m (4) 2 * 10^1 m

Four balls have the same temperature. Which ball has the most thermal energy?

Ships A and B leave the same port. Ship A sails at 20 knots (nautical miles per hour) and ship B sails south at 15 knots. At what rate is the distance between them changing at 2 pm if: a. A and B both leave at noon. b.

Why do electrons flow through a wire?

What happens to energy "lost" during an energy transformation?

Hitler and Mussolini headed two of the Axis powers of World War II. a. True b. False User: During World War II, France, the United States, Russia, and Great Britain were on the?