Three substances that can make electricity. What are these substance

A thermometer calibrated in the Celsius scale and a thermometer calibrated in the Fahrenheit scale are used to measure the same temperature.

Which of the following criteria do astronomers use to classify an object as a planet? orbits a star gravity makes spherical at least as large as mercury clears orbits of other objects

If an electrically neutral atom has 4 protons and 4 neutrons and it loses 2 electrons, what is its charge? A) positive 2 B) negative 2 C) neutral D) varies

Two small metallic spheres with equal mass are suspended as pendulums by strings of length L. The spheres have the same electric charge and come to equilibrium with each string at an angle of Θ = 10.00° with the vertical.

What is the speed of a truck that travels 15 KM in 12 minutes

What elements are formed only during the supernova phase of large or extra-large madd star?

When a solid A of mass 12g is completed immensedin a measuring cylinder filled with water it diplaces the same volume of water as does solidB if mass 8 what can be deduced about the densities of solid AandB

Write the energy equivalent to 300 units of electrical energy in joules

Briefly describe why these searches suggest that star-like (our planet-like) objects and black holes cannot account for all the dark matter in the halo of our galaxy.

What two units of measurement are necessary for describing speed?