A 2000-kg car accelerates down the road. The engine drives it with a force of 5000 N,
and friction from the road is 1400 N.
What is the car's acceleration?

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?