What particle moves around the nucleus and has a negative charge?

A thermometer reading 18 F is brought into a room, the temperature of which is 70 F. one minute later the reading is 31 F. determine the temperature reading as a function of time.

Which type of wave requires a material medium through which to travel? (1) sound (3) television (2) radio (4) x ray

When a trebuchet counterweight is hoisted by soldiers, what form of energy is transferred into the machine as work?

A 10-kg disk-shaped flywheel of radius 9.0 cm rotates with a rotational speed of 320 rad/s. part a determine the rotational momentum of the flywheel.

If you have a unknown substance with the follow traits, which category of elements would it most likely belong? 1. Brittle 2. Luster 3. Solid at room temperature (STP) options: Metal Metalloid Non-metal There is no way to categorize this substance

Why is it warmer near the equator than near the poles?

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