Which of the following has a fixed shape? helium gas, solid iron, liquid octane or hydrogen plasma

Do kinetic energy increase with height

Two bricks, of mass m1 and m2, are separated by a distance r. The gravitational force of attraction between them is 1.5x10-8 N.

When nuclear fission occurs, some mass is lost. Where does the mass go?

When voltage increases and resistance remains constant what must happen to current? A) Current must decrease. B) Current must increase. C) Current will remain the same. D) Current is not affected by voltage and resistance.

A player at first base catches a throw traveling 38 m/s. The baseball, which has a mass of 0.145 kg, comes to a complete stop in the glove after 0.14 s. Assuming the force of the glove was uniform, what force did the glove exert on the ball?

What is the total number of atoms in the following formula? CaBr2 4 3 2 1

Object A with a mass of 500 kilograms hits stationary object B with a mass of 920 kilograms. If the collision is elastic, what happens after the collision? A) Both object A and object B move forward but with different velocities.

A young man walks daily through a gridded city section to visit his girlfriend, who lives m blocks East and nblocks North of where the young man resides.

Aliens from planet Moby have three alleles for skin color: R (red) W (white) and B (Blue). If all of these alleles are codominant and aliens on planet moby can only inherit two alleles for a gene, what are the six possible genotypes for skin color

The difference between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?