Imagine that a car is speeding down the highway and it hits a large bump in the road that forces it off the road. What would Newton call that object?
A. a physical object
B. a course interrupter
C. an unbalanced force
D. an unfortunate event

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?

First to answer will be the brainliest i need the answer asap

Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed