How is the ideal mechanical advantage of a wheel and axel calculated

What is the period of a "seconds pendulum" (period = 2 sec on earth on the surface of the moon?

A 0.500 kg mass is oscillating on a spring with k = 330 N/m. The total energy of its oscillation is 3.24 J. What is the maximum speed of the mass? (Unit = m/s)

Define the term volt.

Assume a change at the source of sound reduces the wavelength of a sound wave in air by a factor of 15. (i) what happens to its frequency?

A velocity vs. time graph is shown. A graph titled Velocity versus Time shows time in seconds on the x axis, numbered 0 to 5, velocity in meters per second on the y axis, numbered 0 to 20. A line starts at the origin and ends at (5, 20).

Density is calculated by dividing

The one island species evolved into three different species. This is called?

Find the components of vector M shown in figure 5-7

Electrical current is actually made of a. static charges. b. moving electrons. c. high or low voltage. d. resistance within a circuit.

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration