What is responsible for moving weather across the U. S.?

A sound wave has a frequency of 619 Hz in air and a wavelength of 0.51 m. What is the temperature of the air? Assume the velocity of sound at 0◦C is 335 m/s.

A 1.0kg ball is thrown into the air with an initial velocity of 30m/s. How much potential energy does the ball have when it reached the top of its ascent?

What is the correct way to balance this equation? H2 + O2→H2O H2 + 2O2→H2O H2 + O→H2O 2H2 + O2→2H2O 2H2 + O2→H2O

Do you need inertia to run?

If a platinum atom has 78 protons. How many electrons does it contain?

How are objects around you affected by the mass of earth

Two spheres, A and B, are simultaneously projected horizontally from the top of a tower. Sphere A has a horizontal speed of 40.0 meters per second and sphere B has a horizontal speed of 20.0 meters per second.

7 In an experiment, six people at different places around the Earth drop an apple at the same time. Which apples will fall to the Earth? a. Only apples U, V, Y and Z will fall to the Earth. b. All of the apples will fall to the Earth. c.

While hiking in the mountains, tanya observed a narrow and steep valley with a stream at the bottom of it. what most likely caused the valley to first form?

Which of these is NOT a reason why the geocentric model of the solar system was once commonly accepted as the correct model? A. The Sun and Moon appear to orbit Earth. B. Earth rotates on its axis once every 24 hours. C.