A 201 g lead ball at a temperature of 88.1°C is placed in a light calorimeter containing 178 g of water at 24.5°C. Find the equilibrium temperature of the system.

What property of an object can you determine using mass and volume?

If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have a. a period higher than the original period. b. a pitch lower than the original pitch. c. an amplitude lower than the original amplitude. d.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

Future changes in the environment can best be predicted from data that are: cyclic/highly variable and over long/short periods of time?

Observe: Air pressure is equal to the weight of a column of air on a particular location. Airpressure is measured in millibars (mb). Note how the air pressure changes as you move StationB towards the center of the high-pressure system. A.

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?