Which would be the least effective medium for traveling sound waves?

1. Assume it takes 7.00 min to fill a 30.0-gal gasoline tank. a. calculate the rate at which the tank is filled in gallons per second? b. calculate the rate at which the tank is filled in cubic meters per second? C.

The is a factor that's affected by changes in the independent variable

N a presentation about measuring mass, one of your classmates states, "Two objects of the same size will always have the same mass." Is this statement correct? Why or why not?

A 72-tooth gear is connected to a 12-tooth gear. If the large gear makes one complete turn, how many turns does the small gear make?

A large volume of the solar system's space is occupied by what?

5. While a gas does 500J of work on its surroundings, 800J of heat is added to the gas. The mass of the gas is 300 grams, specific heat capacity is 1000 Joules/kg and the work is done keeping pressure constant.

A transparent film laminated to a fabric is identified in the study material as a. stretch fabric. b. PVC. c. a skin. d. two-faced fabric

Light from the sun travels through space to Earth's atmosphere. Which will light waves do when they move from empty space into matter made up of different gases? A. move at the same speed B. move faster as they transmit C. slow down and refract D.

A 12.5 kg box sliding on a frictionless flat surface tuns into a fixed spring which compresses at a distance x = 14.1 cm. the spring constant is 94.5 kN/m Find the initial speed of the box

An earth scientist who studies hydrosphere