The velocity of sound in air at stp (standard temperature and pressure) is approximately 344 m/s. if the frequency of the sound wave is = 4.8 khz, what is the wavelength in cm?

A substance that accelerates the rate of a chemical reaction is called a (an) a. catalyst. b. lipid. c. molecule. d. element.

If the period of the pendulum is 2s, what is the frequency?

Which is an example of fraudulent bookkeeping on the income side? Question 8 options: A customer is billed for a service or product, but it gets recorded in the ledger at a lower amount. A fake invoice is submitted and paid.

A sports car accelerates from rest to 95km/h in 4.3 seconds. What is its average acceleration in m/s^2?

Two laws are described below: Law A: It can be broken under certain conditions. Law B: It does not focus a on natural phenomenon. Based on these characteristics, what can you conclude about Law A and Law B?

Skeletal muscle cells have large stores of ATP that are readily available and alone can provide energy for maximal exercise lasting 30-60 seconds.

A catcher "gives" with a baseball when catching it. If the baseball exerts a force of 475 N on the glove such that the glove is displaced 8.97 cm, how much work is done by the ball? Answer in units of J.

Which of the following is the best sign that cooking pancake batter causes a chemical change

The electric field near the earth's surface has magnitude of about 150n/c. what is the acceleration experienced by an electron near the surface of the earth? express your answer to two significant figures and include the appropriate units.

Minerals are considered to be Answer made out of rocks the building blocks of rocks extremely rare and valuable difficult to find