How much heat is needed to raise the temperature of 200 g of lead (c = 0.11 kcal/kg ∙ °c) by 10 c°?

Is being social media famous worth real-life relationships?

Describe the magnetic field lines around a bar magnet

What object make up the solar system? what holds the solar system together?

What assumption can be made about the densities of two different spheres that have an identical volume but very different masses?

What an electron might say when it moves to a higher energy level?

Can hand sanitizer be used as rubbing alcohol

Two objects experience a 12 N electrical force between them. What force will the objects experience if the distance between them is doubled?

a submarine moving directly upward in the water at constant speed. The weight of the summer and it is 500,000 N. The submarines motors are off. The magnitude of the buoyant force acting on the submarine is

If the car went 30 km west in 25 min. and then 40 km east in 35 min., what would be its total displacement?

Which of the following is not the name of a space station that was in orbit around Earth?