How do astronomers think the sun may have begun

What is the resistance of 1.0 m of a solid cylindrical metal cable having a diameter of 0.40 inches and a resistivity of 1.68 * 10-8 ω • m?

Which of these is a good example of Newton's First Law of inertia

In deep space, there is very little friction. Once they launch a probe into deep space, where there are no external forces acting on it, scientists shut the probe's engines off because the scientists want the probe to

A wire loop of radius 0.37 m lies so that an external magnetic field of magnitude 0.35 T is perpendicular to the loop. The field reverses its direction, and its magnitude changes to 0.20 T in 1.4 s.

Saturn is 9.54 au from the sun. what is its distance from the sun in kilometers? a. 14,000,000 km b. 15,723,270 km c. 57,000,000 km d. 1,431,000,000 km

Which have more kinetic energy a 100g ball, a 200g ball, or a 500g ball explain

An internal combustion engine uses fuel, of energy content 44.4 MJ/kg, at a rate of 5 kg/h. If the efficiency is 28%, determine the power output and the rate of heat rejection.

Fleas often live on dogs or cats and bite them for meal of blood. This can be harmful to the cat or dog that is bitten. What type of symbiotic relationship is that?

Who was the scientist that discovered Pluto wasnt a planet

Astronauts appear weightless while working in the International Space Station because A) they are in a state of free fall. B) there isn't any gravity in outer space. C) they have very little mass when in outer space.