Which pair of quantities represents scalar quantities

What is one limitation of using the jawbreaker as a model for Earth's layers? A. The layers are all made out of the same material. B. The outside layer is the thinnest layer. C. The jawbreaker has four different layers. D.

How much time does it take a skater to increase her speed uniformly, from 3.0 meters per second to 7.0 meters per second, over a distance of 10 meters? a. 1.0 S b. 4.0 s C 6.0 s d. 2.0 s

Two technicians are discussing the testing of a catalytic converter. Technician A says that a vacuum gauge can be used and observed to see if the vacuum drops with the engine at 2500 RPM for 30 seconds.

Electrical shock is more likely to be fatal when the path of current is through the

How might atoms of the same element vary?

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