A 1200 kg elevator accelerated upwards at 2 m/s2. Draw a force diagram for the elevator. Calculate the force of tension in the cable pulling the elevator up.

What is the momentum of a 76-kilogram horse running at a speed of 45 kilometers/hour? A) 2.5 x 10^2 kilogram-meters/second B) 3.4 x 10^4 kilogram-meters/second C) 3.4 x 10^3 kilogram-meters/second D) 9.5 x 10^2 kilogram-meters/second

Which of the following pair of force can be added to give a resultant of 5 Newton? ans with reason 1• 2N and 8N 2• 3N and 10N 3• 2N and 6N 4• 10N and 20N

Answer the three questions below that pertain to atomic orbitals. Part A: No two electrons can have the same set of quantum numbers. This idea is known as what? There is no name for this idea.

An example for non periodic motion.

If organisms are unable to generate enough genetic diversity to survive in a changing environment, they

As protostars continue to contract, their cores become hotter and more dense until what process begins ...

Emily jogs 3 laps at the track to warm up. She jogs at 5 mph. Then she runs 3 more laps at 7 mph. What is true about her average speed and her average velocity?

Which of the following elements are the most reactive? beryllium, calcium, magnesium, barium?

1.) State which definition of power below is correct. A.) the energy transferred per hour. B.) the energy transferred. C.) the energy transferred per second. D.) the force over a distance. 2.

Science and technology are closely related, but not the same. Which of the following is most likely a result of technology, not science?