How are watts measured?

Which of the following elements is considered to be a non-metal?

Suppose V = 24 V, I = 0.1 A, mw = 46 gm, cw = 4.18 J/g∘K, mr = 8 g, and cr = 3.7 J/g∘K. If the water is initially at room temperature, how long will it take for the water to heat up 2 K? (Hint: dT/dt is approximately equal to ΔT/Δt.)

Using a magnet to create electrical current in a wire is called

Verena is mixing a material into a beaker filled with a liquid. She notices that the material seems to disappear into the liquid. What physical property of the material is Serena most likely observing

The tropical year, the time from vernal equinox to the next vernal equinox, is the basis for our calendar. it contains 365.242199 days. find the number of seconds in two and a half tropical years.

What percent of my Iodine-131 sample will be left after 7 half-lives?

A 58.0 kg snow skier is on the top of 351 m high hill. After she has gone down a vertical distance of 142 m, what is her mechanical energy? Explain your answer (CER) !

A sphere has a mass of 2.10kg and travels along a horizontal plane at the velocity of 12.2m/s. Find the energy

What is the force required to accelerate a baseball with a mass of 0.145 kilograms and an acceleration of 35.00 meters/second squared?

A 4.00 kg stone is dropped from a height of 145 m. What is the stone's potential and kinetic energy respectively when it is 50.0 m from the ground?