A 100 watt light bulb uses how many joules of energy if left on for an hour?

Can light cause the rubber to become solid? Why or why not? Does it matter what type of light she shines on the rubber?

Desde lo alto de un edificio de 25 m de altura se lanza una pelota verticalmente hacia arriba con una velocidad de 10 m/s. Calcula: a) La altura máxima conseguida por la pelota. b) El tiempo que tardará en caer la pelota al suelo.

A vector quantity has direction, a scalar quantity does not true or false

A concrete highway is built of slabs 12 m long (20°C). How wide should the expansion cracks between the slabs be (at 20°C) to prevent buckling if the range of temperature is - 30° to + 50°C? (12 x 10⁻⁶ °C⁻¹ for concrete)

6. For the following questions, use a periodic table and your atomic calculations to find the unknown information about each isotope: You have an isotope with 23 protons and 29 neutrons. What is the mass number? 23 29 52 6

If a car engine burns an equivalent of 20,000 joules of energy and attains a kinetic energy of 5,000 J, how much energy is dissipated in the form of heat?

If the speed of light in a vacuum is twice that of the speed of light in a given material, what is the index of refraction for that material?

In an electric motor, the rotating coil of wires wrapped around an iron core is a (n)

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? The hot water causes a chemical reaction to take place in the spoon.

Which of the following is an example of a research topic that is too broad? A. All about hip-hop music B. Hip-hop and the voice of outrage C. Rhyme and meter in hip-hop music D. Block parties and the origins of hip-hop