What are some changes that can be caused by sound energy?

Which of the following compounds will be most effective in melting the ice on the roads when the air temperature is below zero? A. sodium iodide (NaI) B. magnesium sulfate (MgSO4) C. potassium bromide (KBr) D. All will be equally effective.

Which of the following is a mixture: a. air c. water b. salt d. sulfur

A) You push against a box; it doesn't move. Is the net force of the box in this situation balanced and at zero? Or is it unbalanced?

Why are the parts of an atom that electronic occupy called electron clouds

Why must the height of the meniscus in the graduated cylinder match the height of the water in the tub when measuring volume?

A motor-driven winch pulls a 50.0 kg student 5.00 m up the rope at a constant speed of 1.25 m/s. how much power does the motor use in raising the student? how much work does the motor do on the student?

By what percent must one increase the tension in a guitar string to change the speed of waves on the string from 301 m/s to 343 m/s?

A plane is traveling from one location to another 10,000 miles away. If the plane travels at a speed of 575 miles per hour, how long will it take to get there?

At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 183 lb. During the storm, the crewman finds a maximum reading of 230 lb and a minimum reading of 138 lb. A.

A 1.5m wire carries a 2 A current when a potential difference of 52 V is applied. What is the resistance of the wire?