A rock has a mass of 210 grams and occupies a volume of 70cm. whatnis the density?

A car starts from the rest and accelerates uniformly for t=5 seconds over a distance of 100m. Find the acceleration of the car

When a metal bonds with a nonmetal, they form a (n) a. molecule b. ionic compound c. element d. covalent compound

A series circuit has two 10-ohm bulb is added in a series. Technician A says that the three bulbs will be dimmer than when only two bulbs were in the cricut. Technician B says that the cureent in the circuit will increase.

An accelerating voltage

Using evidence, why are cars with frames, that can crumple, less safe than rigid cars with frames?

What are optical fibres

Where in the body does neutral, acidic and basic (alkaline) solutions usually exist?

What is the current in a circuit with a 12.0 V battery and a 4.0 Ω resistor?

Three resistors, R1 = 10 Ω, R2 = 20 Ω and R3 = 30 Ω are connected in series to a 12 V battery. Find: a. The equivalent resistance of the circuit. b. The current in each resistor. c. The voltage across each resistor. d.

What are the basic rules of basketball? Are the rules different for men's versus women's competition?