Which trait shared by dolphins and bats possibly lead to the evolution of echolocation in these two animal groups?

A skydiver is falling at constant velocity. If a force of 600 N is pulling down on the skydiver, how much force must be acting upward on the skydiver? exactly 600 N slightly more than 600 N slightly less than 600 N exactly 0 N

What is the SI unit used to express gravitational potential energy? A. Newton B. Kilowatt C. Horsepower D. Joule

What tool is used in laboratories for measuring mass of an object? Select all that apply. scale equal arm balance triple Beam balance graduated cylinder

What is the formula for power

A wire with a resistance of 20 Ω is connected to a 12-V battery. What is the current flowing through the wire?

An unknown solution has a pH of 8. How would you classify this solution? A) The substance is an acid. B) The substance is a base. C) There is not enough information to answer the question.

What is the most abundant element in the universe? A. helium B. hydrogen C. carbon

A bee flies at a constant rate of 5 ms until it notices a flower. It then comes to rest in 5 seconds. Find the acceleration of the bee if a = ΔvΔt

When is there zero net force on an object?

The bending of light when it travels from one material to another is called deflection refraction reflection correction