When a high-mass star explodes, which of the following is left over in the center?

A. Black hole

B. Neutron star

C. White Dwarf

D. either a or b

A car going 10 m/s starts accelerating at a rate of 3 m/s2 for 4 seconds calculate the final velocity of the car

The process of burning fuel is called?

Which configuration is common to the outer shells of the elements neon, argon, and krypton? sp8 s2dp6 s2p6 s2p4

If there is 8 g of a substance before a physical change, how much will there be afterwards? 0g 4g 8g 16g

g A child pulls a friend in a little red wagon with constant speed. If the child pulls with a force of 17.0 N for 14.0 m, and the handle of the wagon is inclined at an angle of 22° above the horizontal, how much work does the child do on the wagon?

What causes physical vibrations in transformers at twice the frequency of the AC power involved.

Projectile motion is a combination of which two types of motion? parabolic and curved straight and diagonal horizontal and vertical constant and linear

If a mass of a material is 100 grams and the volume of the material is 15 cm3, what would the density of the material be?

After three half-lives of an isotope, 1 billion (one-eighth) of the original isotope's atoms still remain in a certain amount of this element. How many atoms of the daughter product would you expect to be present?

A group of two or more stars is called a A. solar system B. neutron star C. protostar D. star system