The amount of heat energy required to raise the temperature of a unit mass of a material one degree is: A. absolute zero. B. a Joule. C. a Btu. D. its heat capacity

Which one of the following formulas is used to find the voltage of a circuit? A. E = I/R B. E = I2R C. E = R/I D. E = IR

Un bloque de m1 = 2,00 kg está conectado con otro bloque de m2 = 6,00 kg como se ve, las superficies son rugosas y su coeficiente de rozamiento cinético es igual para las dos y de valor 0,1, el ángulo del plano inclinado es 30°.

A 50. g pendulum swinging back and forth has a speed of 3.0 m/s at a height of 0.30 m. Determine the total mechanical energy of the pendulum. 370 J 220 J 0.22 J 0.37 J

A motorcycle and rider have a total mass equal to 300kg. The rider applies the brakes, causing the motorcycle to accelerate at a rate of - 5 m/s. what is the net force on the motorcycle?

During an elbow flexion exercise, the relative angle at the elbow is 118 degrees at 0.67 seconds and 82 degrees at 0.75 seconds. What is the average velocity of the elbow in degrees / seconds?

According to bohr's theory, how do electrons move around the nucleus

On a very hot summer day, railroad tracks can buckle, causing train delays and derailments. Select the best reason below for the buckling.

How long will it take you to swim 100 meters if you swim at a speed of 12.5 m/s?

What are the two factors that determine an objects gravitational potential energy

The blood plays an important role in removing heat from th ebody by bringing the heat directly to the surface where it can radiate away. nevertheless, this heat must still travel through the skin before it can radiate away.