When are beats generated in two interfering waves?

A 80kg fire fighter climbs flights of stairs 6 meters high in 10 seconds. How much work is required by the firefighter

True or false distance is the magnitude of average velocity

What is a responding variable in science?

Which of the following atoms has the smallest radius? The Periodic Table

A group of Advanced Open Water Divers plans to make two dives. The first dive is on a reef in 22 metres/80 feet of water for 20 minutes. The group then remains on the surface for 1 hour.

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?

A pendulum bob is made from a sphere filled with water. What would happen to the frequency of vibration of this pendulum if the sphere had a hole in it that allowed the water to leak out slowly?

Elias serves a volleyball at a velocity of 16 m/s. The mass of the volleyball is 0.27 kg. What is the height of the volleyball above the gym floor when its total mechanical energy is 41.70 J? Round to the nearest number.

Which of the following is the best description of a graph? A. Equations that can be plotted B. A representation of an equation C. Independent and dependent variables D. x and y lines