What does 'payback time' mean?

You stand sideways in a moving train. Estimate how far apart you should keep your feet so that when the train accelerates at 3.2 m/s2 you can still stand without holding anything. Let d be the distance of separation between your feet, and h = 0.

A 0.5 kg tennis ball has speed of 15m/s. what is the kinetic energy of tennis?

Identify what gives an object the greatest and the least kinetic energy

A measuring microscope is used to examine the interference pattern. It is found that the average distance between the centers of adjacent dark fringes is 0.480 mm.

What is the kinetic energy of an 5kg object traveling at 20m/s

A 1 kg particle moves upward from the origin to (23) m. Wit is work done by the force of gravity which is in - y direction s B. 19,6 D. 29.4) A.-19.6 J C. - 29.4 J

Using - 10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

What will most likely happen if a light wave moves through a solid?

Ben franklin showed that 1 teaspoon of oil would cover about 0.50 acre of still water. if you know that 1.0 x 104m2 = 2.47 acres, and that there are 5.0 cm3 in a teaspoon, what is the thickness (in cm) of a later of oil?

Which of the following are indicators of chemical changes (choose all that apply): 1. A solid is formed 2. Heat is released or absorbed 3. A gas is released 4. Light or Sound is Produced 5. State of Matter changes 6. A color change takes place 7.