The speed of sound in air is about 340 meters per second. You see a flash of lightning, then hear the thunder 9 seconds later. Calculate the distance between you and the storm in meters, then convert to kilometers.

Examples of stored energy

A salt solution is placed in a bowl and set in sunlight. The salt crystals that remain after the water has evaporated are more highly ordered than the randomly dispersed sodium and chloride ions in the solution.

gold has a density of 19.32g/cm^3. aluminum has a density of 2.7g/cm^3. which is heavier: 1g of gold or 1 g of aluminum? explain

Fresh milk has several parts that a farmer can seperate and sell a farmer removes the top layer of fat from fresh milk why is the layer of fat on the top

Given 11 players, each unit (box or whisker) has the same number of players. a. True b. False

Photosynthesis and respiration are important because they produce or breakdown food to release energy.

Tech A says a camshaft position sensor must be positioned correctly to accurately signal the position of the camshaft to the powertrain control module in the ignition module.

The starship enterprise returns from warp drive to ordinary space with a forward speed of 50 km/s. to the crew's great sur - prise, a klingon ship is 100 km directly ahead, traveling in the same direction at a mere 20 km/s.

What do you use to measure potential difference

A force F = 94.9 N acts at an angle α = 35◦ with respect to the horizontal on a block of mass m = 29.3 kg, which is at rest on a horizontal plane. The acceleration of gravity is 9.81 m/s 2. If the static frictional coefficient is µs = 0.