The ratio of output power to input power, in percent, is called

A. conductivity.

c. work.

B. efficiency.

d. horsepower.

What is the formula for a molecule containing three Calcium atoms (Ca) and three Chlorine atoms (CI) ? O3Caci cacla CazCl3 O CA₃CL3

Anna is sitting in a moving cart and throws a ball straight up. Theoretically, the ball should land in the cart, but it lands on the ground a little before the cart. What is the reason for the difference in the ranges of the ball and the cart?

Which of the following would be a good question that could be scientifically investigated? A. What is the correct way to pursue happiness in life? B. Can play the piano at a shower tempo improve the sound quality? C.

A neighborhood transformer on the top of a utility pole transforms 19.0 kV 60.0 Hz alternating voltage down to 120.0 V to be used inside a house. If the secondary coil of the transformer has 159.

Is speed an increase in rate of which something moves

To practice Tactics Box 10.1 Calculating the work done by a constant force. To find the work done on an object by a force, begin with a visual overview and follow Tactics Box 10.1.

the color of the sun appears to be orange or yellow when looking from the earth but it really is red. true or false

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? 1 - positive 2 - negative 3 - zore

Which object has the most gravitational potential energy? A. an 8 kg book at a height of 3m B. an 5 kg book at a height of 3 m C. A 5 kg book at a height of 2 m D. a book at a height of 2 m

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object