Which of the following substances will show the smallest change in temperature when equal amounts of energy are absorbed?

water

air

sand

concrete

You can tell the difference between positively charged and negatively charged particles by passing them through an electrical field; the positively charged particles are repelled from the negatively charged particles are attracted to it 1. True 2.

A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players runs toward the ball and kicks it as hard as he can.

A crate falls from an airplane flying horizontally at an altitude of 2,000 m. Neglecting air drag, how long will the crate take to strike the ground?

Venus is often called Earth's "twin." Describe TWO ways in which Earth and Venus are similar and TWO ways in which Earth and Venus are different.

The filter reaches therminal velocity with zero paper clips (T or F)

Does 59feet = 170000 meters

The chemical reaction that causes chromium to corrode in air is given by 4Cr+3O2→2Cr2O3 in which at 298 K ΔH∘rxn = - 2256 kJ ΔS∘rxn = - 549.

Witch of the statements about water is true?

In what direction does an applied force move an object? In the same direction as the force Independent of the force In the opposite direction of the force Perpendicular to the force

You (60 kg) and your friend (80 kg) are both floating on separate tubes next to each other on the San Marcos River. Now you push your friend with 10 Newton. Select all correct statements. A.