A number of food chains linked together

A 32kg kid on a sled sliding over some rough snow is acted on by a frictional force which reduces its velocity form 8.5 m/s to 4.1 m/s in 3.0 seconds what is the magnitude of the frictional force?

In a two-slit experiment using coherent light, the distance between the slits and the screen is 1.10 m, and the distance between the slits is 0.0400 mm. If the second order bright fringe is measured to be 4.

Choose the correct statement regarding energy production in the interior of a star and energy production in a power plant. A star uses fusion as an energy source by building larger atoms from smaller atoms.

What determines the volume of a gas? o temperature and gravity o temperature and pressure only pressure o only temperature

A place in which there is no matter is called a (n)

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.