A Formula 1 racing car can accelerate from a stationary position to 25 m/S in 2.1s calculate the car's acceleration,
Give your answer to 2 significant figures

Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical