As a pendulum moves from the bottom of its swing to the top of its swing, the?

The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s. At this rate, how many seconds would it take to swim0.650miles (1 mi = 1609 m) ?

What's the mass of an object that weighs 32 newton's

Why a system must be isolated for Conservation of Energy to be observed?

Which of the following lists the stars in order from greatest density to least density? a. white dwarf, neutron star, main sequence star, giant b. giant, main sequence star, white dwarf, neutron star c.

A 170 Hz sound wave in air has a wavelength of 2.0 m. The frequency is now doubled to 340 Hz. What is the new wavelength? A. 4.0 m B. 3.0 m C. 2.0 m D. 1.0 m

What do you use to measure potential difference

A force F = 94.9 N acts at an angle α = 35◦ with respect to the horizontal on a block of mass m = 29.3 kg, which is at rest on a horizontal plane. The acceleration of gravity is 9.81 m/s 2. If the static frictional coefficient is µs = 0.

Which statements about eclipses are true? Check all that apply. Earth's shadow creates a solar eclipse. A total lunar eclipse has a reddish color. The moon moves between Earth and the Sun during a solar eclipse.

Who would use more energy in a day - someone who plays a lot of sport or someone who plays a lot of computer games

If you know the wavelength of any form of electromagnetic radiation, you can determine its frequency because?