What does an excess of electrons produce?

Heat is transferred at a rate of 2 kW from a hot reservoir at 800 K to a cold reservoir at 300 K. Calculate the rate at which the entropy of the two reservoirs changes and determine if the second law is satisfied

The thumb is the only saddle joint in the human body

Which class of lever is a baseball bat? What are the parts of a baseball bat's lever class? Describe each one. Enter your answer in the space provided. (This question you write your own answer.

Chandra is doing an experiment to find out which type of dog food her dog prefers. The following are the steps of her experiment: 1. Place five identical bowls next to each other in the dog's yard. 2.

You pull a block of mass m across across a frictionless table with a constant force. you also pull with an equal constant force a block of larger mass m. the blocks are initially at rest.

To extend the electrical system between the main panel and the secondary panel, the electricians used A. Receptacles B. Circuit breakers. C. feeders. D. insulators

Men in the age of 18-34 years need to be able to run a marathon in 3 hours and 10 minutes to qualify for the Boston Marathon. How many seconds is this? Show your work.

What is the center of our solar system?

A - 4.0-µC charge is located 0.45 m to the left of a + 6.0-µC charge. What is the magnitude and direction (to the right or to the left) of the electrostatic force on the positive charge?

A potter's wheel of radius 16 cm starts from rest and rotates with constant angular acceleration until at the end of 32 s it is moving with angular velocity of 10 rad/s. what is the angular acceleration? answer in units of rad/s 2.