Scientist once believed that the structire of the universe had changed very little

A) determine the capacitance of a teflon-filled parallel-plate capacitor having a plate area of 1.85 cm2 and a plate separation of 0.050 0 mm.

Calculate the kinetic energy of a particle with a mass of 3.34 * 10^-27 kilogram and a speed of 2.89 * 10^5 meters per second. [Show all work, including the equation and substitution with units.]

The precision of a balance is ±0.02 g. The accepted value for a measurement is 26.86 g. Which measurement is in the accepted range?

Tommy was walking at a rate of 4 miles hour at noon and at 12:30 pm he was walking at a brisk rate of 6 miles hour. Two hours later Tommy was walking at a leisurely rate of 2 miles hour.

What net force would be needed to accelerate the box at 2.3 m/s^2

Calculate the mass defect of the helium nucleus 42He. The mass of neutral 42He is given by MHe=4.002603u.

A person lifts a 4.5 kg cement block a vertical distance of 1.2 m and then carries the block horizontal - ly a distance of 7.3 m. determine the work done by the person and by the force of gravity in this process.

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

A 5.1 kg black bear cub weighs 49.98 N. The cub is carried by its mother up into the safety of a white pine tree.

Which location is associated with persistent upwelling of cold water to the ocean surface?