A small ball weighs 1.4 N.

gravitational field strength, g = 9.8 N / kg

Calculate the mass of the ball.

The electric current is a

By what factor does the speed of light increases when light enters from glass to air

Which of the following objects would require the use of a large-scale model? A) an atom B) a car engine C) a frog's heart D) the Mississippi River

When electrons leave an atom, the atom becomes? a positively charged b negatively charged c neutral

The current definition of the standard kilogram of mass is based onA) the mass of the earth. B) the mass of the sun. C) the mass a particular object kept in France. D) the mass of a cesium-133 atom.

If the photon scatters in the backward direction, what is the magnitude of the linear momentum of the electron just after the collision with the photon

A car speeds up from 15 m/s to 30 m/s in 12 seconds. What is the acceleration of the car?

These examples include learned and innate behavioral adaptations of animals. Which statement describes a learned behavioral adaptation of an animal? A. Your knee j e r k s when it is hit by a doctor. B. A dog shakes water from its fur. C.

Vitellium (Vi) has the following composition:Vi-188: 187.9122 amu; 10.861%Vi-191: 190.9047 amu; 12.428%Vi-193: 192.8938 amu; 76.711%Based on this data, what can you predict about the average atomic mass of vitellium?

if you have an experimental setup which has three unknowns, how many linearly independent equations do you need to determine the unknowns to find one unique solution?