An 4-kg ball experiences a force and accelerates at a rate of 1.5 m/s. What is the strength of this force?

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.

State the following: boyle's law and charle's law

Matter that emits no light at any wavelength is called