What type of wave does not need matter to carry energy

What is the power output of a crane that can do 35,100 j of work in 4.31s? -8144 W -1.22W -42,000W -81.6 W

Which example represents the impact of religion on culture in the United States? A. children receiving counseling at school B. farmers celebrating a rich harvest C. teachers raising an informed citizenry D. banks and offices closing on Sunday

Which type of climate receives the most intense solar energy? A. grasslands climate B. polar climate C. temperate climate D. tropical climate

Before a ball rolls down a hill, it has gravitational potential energy. Before a rubber ball bounces away from a surface, it has elastic potential energy. From the list below, select the type of potential energy that allows you to throw a ball. A.

Zeros are never significant digits true or false

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