Sound waves can combine to become bigger or smaller true or false

An _ forms when warm, moist air is pushed up by cold air along a front

Three particles A, B and C are thrown from the top of a tower with the same speed. A is thrown straight up, B is thrown straight down and C is thrown horizontally. They hit the ground with A. Equal speed at same time B.

A cyclist accelerates from 0m/s-4m/s in 2s what is the cyclists acceleration

Ball 1, with a mass of 20kg is moving to the right at 20 m/s. At what velocity should ball 2, with a mass of 40kg, move so that they both come to a standstill upon collision?

Under which stage of sleep are people least responsive to outside stimulation

What does infrastructure refer to? process by which a nation improves the economic, political, and social well-being of its people level of farming in which a person raises only enough food to feed his or her family services and facilities necessary

Sophee left her house on her bike and traveled 3 kilometers north, 5 kilometers east, 3 meters south, then 5 meters west arriving home in time for dinner. What is her distance and displacement?

What would happen to the average kinetic energy of the molecules of a gas sample if the. temperature of the sample increased from 20°c to 40°c?

A _ spreads light into its own individual colors.

What is the direction of the force when an object moved in a circle