Which law states that a charge cannot be created or destroyed

A car slows down from 23 m/s to rest in a distance of 85 m. what was its acceleration, assmed constant

A water pump pumps 3 kg of water every second from the bottom of a well to the top of the well 50 m above. If the pump uses 2000 W of electrical power to accomplish the task, what is the efficiency of the pump

Which of the following is NOT a characteristic of a healthy diet?

How does weight affect projectile motion?

A geologist finds a layer of rock that is coarse-grained granite. What type of rock did the geologist find? A. extrusive igneous rock B. intrusive igneous rock C. foliated metamorphic rock D. nonfoliated metamorphic rock

Car batteries are often rated in ampere-hours. Does this information designate the amount of (a) current, (b) power, (c) energy, (d) charge, or (e) potential the battery can supply?

If an airplane flies at 364 km/h, how long will it take to get from New York to Washington DC (288 km) ? (If needed, round to the nearest thousandths and answer with unit 'h' for hours.)

If a bar magnet is broken into two pieces, each of the resulting pieces

Two passengers leave the airport at Kansas City, Missouri. One flies to Los Angeles, California, in 3.5 hr and the other flies in the opposite direction to New York City in 3.5 hr.

What is the term for the basic unit of electric current? The basic unit of electric current is the.