What determines the life cycle of a star?

Question 4 options:

a) the color of the star

b) the temperature of the star

c) the luminosity of the star

d) the mass of the star

Why does the midi system (sound system) have the widest range of frequencies?

An electric motor converts electrical energy into (blank) energy

Identical twins Kate and Karen are rowing their boat on a hot Summer afternoon when they decide to go for a swim. Kate, whose mass is 45 kilograms, jumps off the front of the boat at a speed of 3.00 m/sec. Karen jumps off the back at a speed of 4.

If Fnet=Fg, what is the magnitude and direction of the acceleration of the object? Assume that the object is on Earths surface

0.10-kilogram model rocket's engine is designed to deliver an impulse of 6.0 newton-seconds. If the rocket engine burns for 0.75 second, what average force does it produce?

Which data set has the largest range? A. 8, 9, 1, 2, 3, 4 B. 5, 6, 4, 5, 6, 4 C. 1, 5, 2, 4, 3, 5 D. 3, 9, 5, 7, 3, 6

Sam threw a stone horizontally at a speed of 5m/s from a 9.8 m tall building. how much time does the stone take to hit the ground?

Suppose a cylindrical habitat in space 6.80 km in diameter and 24 km long has been proposed. Such a habitat would have cities, land, and lakes on the inside surface and air and clouds in the center.

Which option describes nonmetals? a. They conduct heat efficiently. b. They are good for making into wires. c. They are used to make machinery. d. They conduct electricity poorly.

Exercise safety relies significantly on choosing clothing appropriate for both the type of exercise and the environment of your exercise. true or flase