A bag of sand has a density of 45 g/cm3 and a mass of 15 kg. How much space does the sand take up?

A. 3 cm3

B. 675 g/cm3

C. 333 cm3

What is the formula used to calculate the speed of an object

Which best describes the relationship between the direction of energy and wave motion in a transverse wave? The energy direction is parallel to the motion of the wave. The energy direction is perpendicular to the motion of the wave.

The bottom sphere is briefly touched by another conducting sphere of the same size, mounted on an insulating handle. Assuming that the charge of the bottom sphere is q before it is touched by the other sphere, what is its charge after it is touched?

In a Young's double-slit experiment the separation distance y between the second-order bright fringe and the central bright fringe on a flat screen is 0.0199 m, when the light has a wavelength of 425 nm.

The jamaican bobsled team hit the brakes on their sled so that it decelerates at a uniform rate of 0.43 m/s, how long does it take to stop if it travels 85 m before coming to rest

Wavelength of a sound wave decreases so that it has a higher frequency. Which characteristics would you also expect to change? A) color B) volume C) pitch

Waves on a pond are an example of which kind of wave? a. sound b. surface c. deep water d. non-mechanical

What does a velocity vs time graph look like for constant velocity if the speed is 2m/s. And the time is not given.

An electron and a proton, starting from rest, are accelerated through an electric potential difference of the same magnitude. in the process, the electron acquires a speed ve, while the proton acquires a speed vp. find the ratio ve/vp.

Why water is matter? what is the reason