speed= (distance)/ (time) Speed is how fast an object moves from one place to another. It is equal to the total distance traveled divided by the total time it took to cover that distance. s=d/t It Is also possible …

4 " miles per hour" A rate is a comparison between two quantities with different units. In this case we are asked for miles per hour which tells us that we need to divide the number of miles by the number of …

Jan 29, 2018 · Formula based on time information given We are told that the journey took 4 hours, of which T hours was on the freeway and the remainder was on country roads. So the time on country …

Determine the formula using the above givens P is the power applied, P=tau omega Therefore, the formula for torque is tau=P"/"omega Angular speed, omega=f*2pi=6*2pi=12pi Step 3.

Aug 15, 2017 · A car moves from town J to town K at a speed of 78 km/h for 2.2 hours. What is the total distance, in km from town J to town K? Algebra

Use the formula s = s_i + u*t + 1/2*a*t^2 Why does this formula have the s_i term? That is not usually part of it because usually the starting point is at the origin of the reference system. 0 = -135 m -45 …

A photon of wavelength 100mm acts as a mass of? My text book gives the answer 2.21×10^-41. but a photon can't have mass because when an object travels with speed of light it's mass becomes …

What is the speed of a visible light wave if the wavelength is #4 * 10^-7# #m# and frequency #7.5 * 10^14# #Hz#? What happens to the speed of a wave if the wavelength decreases and frequency …

1.80 * 10^(22) "atoms" You should know that in order to get from grams to atoms, you need to go through moles first. So you will need to use the molar mass of barium chloride to convert the sample …

Nov 1, 2017 · There is an old joke on the dangers of dihydrogen monoxide. But of course "dihydrogen monoxide" is simply water, i.e. H_2O...and a chemist would never call it anything but water or H_2O. …