A sound wave of frequency

1210 Hz has a wave speed of

343 m/s. What is the wavelength

of the wave?

(Unit = m)

An object is pulled along the ground by exerting a force of 35 pounds a rope that makes a 10° angle with the ground. How much work is done dragging the object 13 feet?

In nature, where do fusion reactions take place?

Why is the formation of sand a physical change

An 80 kg man is standing in an elevator which is moving down and slowing down at a rate of 2.0 m/s2. how hard must the floor of the elevator push up on the man?

A book has a mass of 50 grams and an acceleration of 5 m/s/s. What is the force on the book? 220 N 20 N 250 N 10 N

If an airplane flies at 364 km/h, how long will it take to get from New York to Washington DC (288 km) ? (If needed, round to the nearest thousandths and answer with unit 'h' for hours.)

If a bar magnet is broken into two pieces, each of the resulting pieces

Two passengers leave the airport at Kansas City, Missouri. One flies to Los Angeles, California, in 3.5 hr and the other flies in the opposite direction to New York City in 3.5 hr.

What is the term for the basic unit of electric current? The basic unit of electric current is the.

When a sailboat overtakes a powerboat, which vessel is the stand-on vessel?