After a supernova explosion the core of a star may become a? A. Red supergiant B. Neutron star C. Black hole D. neither a neuron star or a black hole.

Which phrase defines gross domestic product (GDP)

How much leg lunges squats push ups and sits ups should a 13 year old boy do a day?

A bicycle moves from rest to 5 m/s in 5 sec. what is the acceleration of the bicycle

Bill and Bob are carrying loads of trash to the dump. They are walking down the sidewalk, side by side but Bob begins to lag behind Bill. Explain what's happening using one of Newton's Laws of Motion. A) Newton's 2nd Law.

Which of the following is powered by nuclear energy? A) aircraft B) automobiles C) trains D) submarines

Absolute differences between each observed mass and the accepted value, divided by the accepted value, multiplied by 100%

What forms of energy are produced by a violin

Archimedes' principle can be used to calculate the density of a fluid as well as that of a solid. suppose a chunk of iron with a mass of 390.0 g in air is found to have an apparent mass of 350.5 g when completely submerged in an unknown liquid.

6. What does the slope of a velocity-time graph indicate?

How high was a brick dropped from if if falls in 2.5 seconds?