Calculate the mass in grams of a toy car if a force of 2 N causes it to accelerate by 10 m/s2

What type of light does this light bulb produce most (i. e. at what wavelength does the spectrum have maximum intensity)?

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island