Why is it important to change only one experimental variable at a time in an experiment?

Myron was trying to light a match the first time he struck the match the match did not light the second time he tried the match lit successfully which most likely occurred to make the match light

Choose the false statement regarding resistance. A) Longer wires have less resistance. B) Electrical resistance produces heat. C) Resistance slows the flow of current. D) The larger the diameter of the wire, the less resistance.

Given the units of force, write a simple equation relating a constant force F exerted on an object, an interval of time t during which the force is applied, and the resulting momentum of the object.

A large pendulum with a 200-lb gold plated bob 12 inches in diameter is on display in the lobby of the united nations building. the pendulum has a length of 75 ft.

Which form of energy does the motor convert most of its electric energy into?

Two very small spheres are initially neutral and separated by a distance of 0.30 m. Suppose that 2.50 1013 electrons are removed from one sphere and placed on the other. (a) What is the magnitude of the electrostatic force that acts on each sphere?

Why is it important to balance a chemical equation? A. It is not important to balance a chemical equal B. To make sure you have the correct products C. To make sure you have the correct reactants D. To obey the law of conservation of mass

The presence of icicles hanging off the eaves of a wood-framed structure is most likely due to: heavy snow followed by a thaw. improper insulation in wall cavities. use of a poor-quality roof sheathing material. lack of proper roof ventilation.

Both gravitational potential energy and kinetic energy depend on

How much work is done when a 105 g tomato is lifted 19.2 m?