Charges move freely through what?

An experiment invilves three charges objects: A, B, and C. Object A repels object B and attracts onject C. object C ir repelled by ebonite charged with fur. What is the charge on the object?

A calorimeter contains 0.50 kg of water at 15°C. A 0.040-kg block of zinc at 115°C is placed in the water. The specific heat of zinc is 388 J/kg °C and the specific heat of water is 4184 J/kg °C What is the final temperature of the system?

This is the fundamental force which holds particles together to form protons and neutrons

5) What is the weight of a body in earth. if its weight is 5Newton in moon?

Which description of an atom is accurate? A. a nucleus surrounded by protons and neutrons B. A nucleus containing electrons and protons C. Electrons encircling a nucleus with neutrons and protons D. Protons surrounded by neutrons and electrons

I to fall in love with someone or to at least get a boyfriend

Is rain falling a contact or noncontact force

How does a concave lens differ from a convex lens?

Which object has the greatest gravitational attraction?

Masa samochodu wynosi 2000 kg. Siła parcia wywierana przez cztery koła na powierzchnię szosy wynosi: A. 2000 N B. 20000 N C. 500 N D. 5000 N szybko plis