The speed of a sound wave traveling through air is 400 meters per second. the wavelength of the wave is 25 meters. what is the frequency of the wave

How does the matter and energy in a system naturally change over time? A. It increases in energy. B. It becomes more spread out. C. It becomes more efficient. D. It decreases in entropy.

A plate falls vertically to the floor and breaks up into three pieces, which slide along the floor. immediately after the impact, a 320-g piece moves along the x-axis with a speed of 2.

R/s for r=104 and s=8

The linghth of a cell is about 80nm if

Match the terms correctly Lithium A) Highly reactive gas Lead B) Nonreactive gas Fluorine C) Malleable, soft, and shiny Krypton D) Opaque solid with higher density

Universal law in effect at all times?

Elements in an blank or blank of the periodic table have similar characteristics

A pendulum is raised 1.5 cm and allowed to fall. if air resistance is negligible, how high will the pendulum rise on the other side?

In which of the following situations or place would you want to reduce the force of friction (multiple answers) A.) moving your mouse along the mousepad B.) the axle of your car wheels while you are driving C.) you are climbing a steep ladder D.

A star's parallax angle is 1.0. How far away is the star in light years?