Carlota does 2000 J of work on a machine. The machine does 500 J of work. What is the efficiency of the machine?

4%

25%

75%

400%

How are transverse and longitudinal waves different? Select all that apply. A. Transverse waves carry energy, and longitudinal waves carry air. B. Longitudinal waves are caused by energy, and transverse waves are caused by sounds. C.

If their were two dogs and 1 cat who would win hint: The Car

Would a tiger be a consumer or producer?

What is the atomic number of 24 and 12 Mg

How will decreasing the amplitude of the sound waves from a television affect its intensity? A. the sound will decrease in volume B. the colors will look brighter C. the sound will increase in pitch D. the colors will combine to form white light

Lemonade powder is stirred into water until it dissolves. Which are true statements? Check all that apply. A. Lemonade is the solute. B. Water is the solvent. C. Lemonade is the solvent. D. Water is the solute.

Nikolas, the fire extinguisher, and the skateboard have a combined mass of 50 kg. What force would the fire extinguisher have to produce to propel Nikolas if he wanted to accelerate at a rate of 1.

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?