Two tuning forks are played at the same time. One has a frequency of 490 Hz and the other is 488 Hz. How many beats per second are heard? 490 488 2 4

An object lifted 10 meters gains 200 j of potential energy. if the same object is lifted 20 meters, its potential energy gain is

How did the viscosity of paint affect your splatter painting? what newton law is it?

Cara is traveling north to Jacksonville. she determines that the car is traveling at a rate of 90 kilometres per hour. if the car is traveling at a constant rate, how many kilometres will she travel in 3 minutes?

When waves are closely spaced together, how would you describe the pitch that you hear? question 18 options: the same as when waves are spaced far apart high low?

A football punter wants a punted football to travel 60.0 m in the horizontal direction, and stay in the air for 5.00s. What must be the magnitude and the direction of the initial velocity of the football?

Why did the chicken cross the road.

A 98.1 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.69 rad/s. A monkey drops a 9.29 kg bunch of bananas vertically onto the platform.

7. A type of non-renewable energy would be: O wind O petroleum O water solar

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.