Sound waves travel faster through air than through solids. trur or false

Identify the following as biotic or abiotic. Sunlight and heat: Insects: Rotting log: Bacteria: Water: Rocks:

What is a compound? a poly element pure substance a homogenous mixture a single element pure substance a heterogeneous mixture

A thin film of polystyrene is used as an antireflective coating for fabulite (known as the substrate). the index of refraction of the polystyrene is 1.49, and the index of refraction of the fabulite is 2.409.

Describe the shape of the light waves that would be created from a single uncovered light bulb

What is jupiters orbital period

Why did the chicken cross the road.

A 98.1 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.69 rad/s. A monkey drops a 9.29 kg bunch of bananas vertically onto the platform.

7. A type of non-renewable energy would be: O wind O petroleum O water solar

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.