If an object is being pulled by two forces, one 4 N to the left and the other 2 N to the right, what is the net

force acting on the object?

How old id the earth

Most metals are not? A ductile B good conductors if heat and electric C liquid at room temperature D mellable

An atom has an atomic number of 12 and a mass number of 0.25. How many neutrons does the atom have?

How many ohms of resistance are in a 120 volt hair dryer that draws 7.6 amps of current

Cleo stated that light travels through air in straight paths, and when it moves from air to water, light changes direction, speeds up, and bends toward the normal. Which statement best describes Cleo's mistake? A.

Calculate the mass of an 86kg object on the moon

Assume you live in a Einsteinian universe with the speed of light being only 60 k / hr. First you see a bicyclist at rest and later you see the same cyclist moving at 55 km/hr. Describe quantities that would change.

52. In an ideal gas the molecules possess a. Only potential b. Only kinetic energy c. Kinetic and potential energy both d. Only gravitational energy

To stretch a certain nonlinear spring by an amount x requires a force F given by F = 40 x - 6 x 2, where F is in Newtons and x is in meters.

A wave passes through an opening in a barrier. The amount of diffraction experienced by the wave depends on the size of the opening and the wave's (1) amplitude (3) velocity (2) wavelength (4) phase