What could not act as a medium for a mechanical wave

In a given chemical reaction the energy of the products is less than the energy of the reactants. Which statement is true for this chemical reaction2 A Energy is absorbed in the reaction Energy is released in the reaction.

how much force would be required to produce 88 j of work when pushing a box 1.1meters at an angle of 10 degrees?

A 2578-kg van runs into the back of a 825-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.

Formula for electrostatic potential energy between two charged particles change if one particles 's charge is reduced to a factor of 3?

What are two ways that protists can reproduce asexually.

There are 5,280 feet in 1 mile and 12 inches in one foot. How many inches are in a mile?

An anion is an atom that has lost electrons. True or False?

Question: Jane, looking for Tarzan, is running at top speed (4.5 m/s) and grabs a vine hanging vertically from a tall tree in the jungle.

Kim holds a pinwheel in the air and says it can be used to model a source of energy. Identify the type of energy Kim's pinwheel models. Explain the type of energy source used.

An example of a stable system