a 30kg child who is running at 4m/s jumps onto a stationary 10kg skateboard. what is the approximate speed of the child and skateboard

Which one of the following foods contains simple carbohydrates? Question

A bolt is dropped from a bridge under construction, falling 94 m to the valley below the bridge. (a) how much time does it take to pass through the last 26 % of its fall?

The strong interaction is necessary for the formation of which of the following? Protons and neutrons Neutrons and neutrinos Electrons and protons Quarks and bosons

How does the wavelength of maximum absorbance relate to color?

c) A 10 N force acts on an object with a mass of 20 kg. What is the resulting acceleration of the object?

What is general relativity in easy terms?

Temperature and volume are directly or inversely

My Notes A basketball rolls across a classroom floor without slipping, with its center of mass moving at a certain speed. A block of ice of the same mass is set sliding across the floor with the same speed along a parallel line.

How does sound travel through waves?

Solve for real t: - 25=20t-5t^2