4. Three people are pushing a 500 kg of box in the same direction. Applied forces are 30 N, 20 N, and 10 N respectively. If the acceleration of the box is 0.02 m/s2, what is the magnitude of a force created by friction?

Which provides the best analogy for an electron in an atomic orbital? A. a bee moving from flower to flower in a garden B. a bird resting on a tree branch C. an ant crawling on the surface of a leaf D. a bee trying to escape from a closed jar

What substance is the genetic material of living things?

One property that makes electromagnetic waves differ from other types of waves is that they can move particles in a medium travel in a vacuum transfer energy create a disturbance

If a force on an object is aimed in the direction of the object's velocity, the force does: a. no work. b. positive work. c. negative work d. any of the above.

A certain rock contains large jagged pieces of other rocks cemented by fine particles what type of rock is this explain

Identify characteristics of objective personality tests. -self-report -scientific -paper-and-pencil -questions about behavior -objective -potentially biased answers Multiple Choice-Psychology

The Pony Express was a mail delivery system in the Old West that used a series of men on horseback to deliver mail from St. Joseph, MO to Sacramento, CA along a trail that was 2000 miles long.

In the virtual lab, calculations were made of the predicted diffraction angle, using the formula θ ≈ StartFraction lambda over L EndFraction.

What trends were seen in Mendeleev's periodic table?

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks