Salt water is Denser than fresh water what ecosystems be most affected by this fact

In the study of sound, one version of the law of tensions is: f1 = f2 √ (F1/F2) If f1 = 300, F2 = 60, and f2=260, find f1 to the nearest unit.

Two cars having different weights are traveling on a level surface at different constant velocities. Within the same time interval, greater force will always be required to stop the car that has greater

Katie ran 200 meters in 32 seconds. what was katies speed

What law states that when there is an interaction between charged objects there is a non-contact force which acts over some distance of separation? faraday's law ohm's law coulomb's law interaction law

14mm equal to how much cm

A farmer uses a tractor to pull a 150 kg bale of hay up a 15∘ incline to the barn at a steady 5.0 km/h. The coefficient of kinetic friction between the bale and the ramp is 0.40. Part A What is the tractor's power output?

Identify the conditions for an elastic collision in a closed system. Check all that apply. Energy is conserved. Velocities may change. Momentum is conserved. Kinetic energy is conserved. Objects stick together after the elastic collision.

When the velocity of a mass on a spring is zero, the acceleration is at

Which is a disadvantage of using wind as an energy source? Check all that apply. It may be unreliable. It is not naturally occurring. It produces a lot of waste. It requires wires to carry electricity. It generates large amounts of electricity.

One step in the production of hydroelectric power involves