An example of an unbalanced force is

Which statement is an observation from Newton's experiments with light? White light becomes a range of colors after passing through a prism. A prism adds a range of colors to white light. Newton asked questions about the makeup of white light.

Windows, exhaust fans, and range hoods all provide what essential service in the kitchen?

A 5.0 kg block with a speed of 2.8 m/s collides with a 10 kg block that has a speed of 1.8 m/s in the same direction. After the collision, the 10 kg block is observed to be traveling in the original direction with a speed of 2.3 m/s.

A body builder loads a bar with 550 newtons (~125 pounds) of weight and pushes the bar over her head 10 times. Each time she lifts the weight 0.5 meters. How much work did she do? 275 Joules.

An empty beaker weighs 40.25 g. When completely filled with water, the beaker and its contents have a total mass of 317.45 g. What volume does the beaker hold? Use?=1.00 g/mL as the density of water.

A person lifts a 4.5 kg cement block a vertical distance of 1.2 m and then carries the block horizontal - ly a distance of 7.3 m. determine the work done by the person and by the force of gravity in this process.

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

A 5.1 kg black bear cub weighs 49.98 N. The cub is carried by its mother up into the safety of a white pine tree.

Which location is associated with persistent upwelling of cold water to the ocean surface?

What type of electromagnetic radiation is associated with the peaks in this spectrum chem 237?