How much heat has to be added to 508 g of copper at 22.3°C to raise the temperature of the copper to 49.8°C? (The specific heat of copper is 0.377 J/g·°C.)

Drag and drop each power into either the central government category or the state government maintain a ready militia Central Government State Governments tax goods and services jer to make treaties wer to declare war

world class speed skaters can skate a 3,000 meter course in about 4 minutes. what is their average speed for this course?

List and define 4-5 waste materials from copper ore processing

Select the correct answer from each drop-down menu. Balloon B is negatively charged. B Balloon A is charged. If balloon A approaches balloon C, there'll be a force of charged, and balloon C is between them.

The chart shows the voltage of four electric currents. Which is best supported by the data in the chart? Current W flows at a higher rate than Current Z. Current Y flows at a lower rate than Current X.

A 4kg mass traveling eastwards at 4m. s per second collides with a 3kg mass traveling westward as 8m. s per second ... calculate the total momentum of mass before they colide

A 231-ω and a 206-ω resistor are connected in series across an unspecified power supply. if the current through the 231-ω resistor is 0.39 a, what is the exact current (in a. through the 206-ω resistor? do not include units with your answer.

What is it called when you connect an object to earth with a conductor

Why is venus the hottest planet in the solar system

Which of the following is an example of an electromagnetic wave? A. ripples on a lake B. the honking of a car horn C. the light from a neon sign D. aftershocks from an earthquake