Example of energy conversation that produces unwanted form of energy

Which representation of the observed data is best to show quantities instead of trends? A. table B. bar chart C. X-Y graph trend line D. X-Y graph plots

A lightbulb glows brightly when it is connected across a certain battery. The battery will maintain a constant potential difference even as its output current increases.

The term "ideal gas" refers to a gas for which certain assumptions have been made. Which of the following is not such an assumption? (A) Consists of a small number of tiny particles that are far apart - relative in their size.

Consider an object with weight on the Earth W_earth. The gravity of the Earth is g. If it is moved to another planet with gravity a, how much will be its weight? Note: you don't need to put a number for variables, M, W, a, g

Why is plastic and foam a good material for ear defenders?

What is happening if energy input remains constant and voltage remains the same in a circuit, but the current decreases? A. The resistance has increased. B. The volts have decreased. C. The power has increased.

The velocity - time graph of a ball of mass 25g moving on road is as given below: (a) How much force does the road exert on the ball to bring it to rest? (b) What is the direction of the force exerted by the road?

A spring required a force of 5.0 n to compress it 0.1 m. How much work is required to stretch the spring 0.4 m?

ou purchase a rectangular piece of metal that has dimen - sions 5.0 * 15.0 * 30.0 mm and mass 0.0158 kg. The seller tells you that the metal is gold. To check this, you compute the average density of the piece.

Which are true: 1) Two negative charges repel each other. 2) A neutral object contains no charge carriers. 3) Electric charge is quantized. 4) Electric charge is conserved. 5) Two positive charges attract each other.