vectorE= -vectorF , which of the following is incorrect? (i) They have different direction (ii) They have different magnitude. (iii) They are parallel. (iv) They are complementary.​

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

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

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?