What is the wave speed if the wavelength is 78 cm?

What dictates the minimum and maximum pressure allowed for plumbing fixtures?

A bowling ball has a mass of 5kg. what happens to tis momentum when its speed increases from 1 m/s to 2 m/s

What is the approximate percentage of geologic time that humans have existed on earth since its origin?

an electric bulb drain a current of 0.25A for 20 minutes calculate the amount of electric charge that flows through the circuit

On earth you have a mass of 140kg in space you will have a mass of how many kg

A 0.0010-kg pellet is fired at a speed of 50.0m/s at a motionless 0.35-kg piece of balsa wood. When the pellet hits the wood, it sticks in the wood and they slide off together. With what speed do they slide?

Jim measures the count rate of a sample of americium-241 as 120cpm. Roughly how long would it take for the count rate to fall below 4 cpm. Show your working

Explain and give an example of newtons 3rd law of motion

Which term best describes the two substances that react to form salt?

An object is dropped from rest into a pit, and accelerates due to gravity at roughly 10 m/s2. It hits the ground in 5 seconds. A rock is then dropped from rest into a second pit, and hits the ground in 10 seconds.