A wave has a wavelength of 9mm and a frequency of 19 hertz. What is its speed?

Edit:: Answer is 171 mm/s

Acceleration of an 82 kg couch that is pushed across the floor with an unbalanced force of 21N

A car going at 30 m/s undergoes an acceleration of 2 m / (s^2) for 4 seconds. how far did it travel while accelerating?

Is crumbeing a sheet of paper phcsail or chemical change

You are on the surface of an object, and you have a fairly clear view out into space. Unfortunately, you are also very squashed. The light you observe from distant objects is slightly blueshifted.

A housefly with a mass of 0.00100 kilograms zooms through the room at a rate of 2.20 m/s. How much kinetic energy does it have?

What has become an important alternative to Piagetian approaches?

How would life on earth be different if earth's axis were not tilted with respect to its orbit? A. There would be no seasons. B. There would be no day and night. C. All places would have the same climate. D. The seasons would be much shorter.

What will a spring scale read for the weight of a 75.0-kg woman in an elevator that moves upward with constant speed of 5.8 m/s?

What's the definition of: • cellular respiration • photosynthesis

What are the steps that are important to take for your safety during an earthquake? a. stay away from walls and windows c. stay away from electrical and gas lines b. get under a desk or table d. all of the above