What effort would be required to move a 500 N load using a 4 m long lever with a fulcrum 1.5 m from the load?

1875 N

133 N

300 N

833 N

Now assume that the mass of object 1 is 2m, while the mass of object 2 remains m. If the collision is elastic, what are the final velocities v1 and v2 of objects 1 and 2?

In a certain electronic device, charged particles must make their way through a magnetic field without experiencing any forces. This can be accomplished if O A. B is perpendicular to v B. their charges are negative O c.

Which step makes proteins by binding amino acids together

Individual thermostat and lighting controls in office workstations have led to

What is the slope of a distance vs. time graph equal to?

What are sun spots?

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?