If the frequency of a sound wave is 250 hertz and its wavelength is 1.36 meters, what is the wave's velocity?

What event was seen as a symbol of the gradual relationship improvements between the United States and the Soviet Union as the Cold War was coming to an end? A.

What two passages bring oxygen into the body

A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 2.7 m/s. The acceleration of gravity is 9.81 m/s^2. What is the initial height of the bob? Answer in units of m.

Analyze how buffers allow you to eat acidic and basic foods without changing your blood pH.

After testing a model of a fuel-efficient vehicle, scientists build a full-sized vehicle with improved fuel efficiency. Which stage of technological design does this best describe? a. implement the solution b. evaluate the solution c.

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a

What is Nothing. (sorry i have been wondering this for a very long time)

What is the weight of a 15kg dog on earth?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.