Why is standard system of measurement important

Simple True/False Physics Question A bar magnet cut in half will yield two complete bar magnets. True or False? An explanation of your answer would be appreciated.

Calculate the amount of energy transferred when a 40w light bulb is left on for 30 minutes.

The SI unit of force is the

Which notation is commonly used on force diagrams to show forces acting on an object

A circular loop of wire of radius r = 0.072 m is placed in a uniform magnetic field B = 13 T, with the plane of the loop perpendicular to the direction of the field, B. Calculate the magnetic flux through the loop. 0.021 Wb 0.293 Wb 0.212 Wb 0.

a 2 kg rock is dropped from the top of a 30 m High building calculate the ball at the time that it strikes the ground

Water, with a density of rho = 1145 kg/m 3, flows in a horizontal pipe. In one segment of the pipe, the flow speed is v 1 = 7.33 m/s. In a second segment, the flow speed is v 2 = 1.57 m/s.

What does the color of a star determine

Scientific cosmology Choose one: A. investigates the overall structure and history of the Universe. B. pertains to legends and verbal history about the beginnings of the Universe. C. proves the Big Bang theory. D.

Which statement best describes longitudinal waves? A) Particles of the wave medium move perpendicular to the direction of propagation of the wave. B) Longitudinal waves do not require a material medium for propagation.