What element is used for lightbulb

Choose the correct statement regarding energy production in the interior of a star and energy production in a power plant. a. A nuclear power plant uses fusion as an energy source by breaking apart atoms. b.

A vector has an x component of - 27.5 units and a y component of 43.0 units. find the magnitude and direction of this vector.

The power in an electric circuit varies inversely with the resistance. If the power is 2,200watts when the resistance is 25 ohms, find the resistance when the power is 1,100watts.

If the specific heat of water is 1.0 calorie/gram°C, how many calories are required to raise 500 grams of water 10.0°C? 510 cal 5,000 cal 50 cal 501 cal

Which statement is true regarding the formation of ionic bonds

Lemonade powder is stirred into water until it dissolves. Which are true statements? Check all that apply. A. Lemonade is the solute. B. Water is the solvent. C. Lemonade is the solvent. D. Water is the solute.

A skateboarder is accelerating forward. How would his acceleration change if he had more mass? A. His acceleration would decrease. B. His acceleration would be zero. C. acceleration would stay the same. D. acceleration would increase.

What is phanerogam? mention it's two group

A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?

What is electrical conductivity?