A lightbulb has a resistance of 285 ω when operating with a potential difference of 110 v across it. what is the current in the lightbulb?

Is it possible to do work on an object without changing the kinetic energy of the object? Now Why? a) Yes, it is possible by raising the object to a greater height without acceleration.

What is the common phrase for natural selection

What is the work required to raise a 10. kg object from the surface of the Earth to a height of 2.0 m? A. 5.0 J B. 20. J C. 2.0 E2 J D. 2.0 E3 J

Find the time t2 that it would take the charge of the capacitor to reach 99.99% of its maximum value given that r=12.0ω and c=500μf.

A cylinder with rotational inertia I₁ = 2.4 kg · m² rotates clockwise about a vertical axis through its center with angular speed ω₁ = 5.8 rad/s. A second cylinder with rotational inertia I₂ = 1.

Which of the following is an example in which kinetic energy is converted to potential energy? O A. A rock falls down a cliff. OB. A match burns. OC. A spring is stretched. OD. A light bulb glows brightly.

What THREE properties determine the speed at which a sound wave travels in a medium?

As a skydiver falls, the air is forced to move around him. What energy transformation does this cause? A. Potential energy from the skydiver becomes potential energy in the atmosphere. B.

On your way to the dance through there is some slow driving person in front of you so you slam on the gas going 30 mi/hr to 60 mi/he. Luckily your date brought a stop watch and told you the whole thing took place in 10s.

The sources of the heat inside Earth