What are the two forces that keep a pendulum swinging?

light spring of force constant k = 158 N/m rests vertically on the bottom of a large beaker of water (Figure a). A 4.

Which is the best example of the law of conservation of energy? A) A basketball stops bouncing because its energy disappears. B) A rolling skateboard slows down because some of its kinetic energy changes to heat.

Fission: can produce krypton, strontium, barium, and xenon is the type of nuclear reaction that occurs in stars takes two small atoms and fuses them together to create a larger atom only produces a minimal amount of radioactive waste

We know for newton's 2nd law of motion that the force on an object is equal to the mass of the object times the acceleration of that object. a 9kg bowling ball was thrown with a force of 5 n.

Derivative of arcsin (cos (2x)) is this chain rule?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?