When an atom loses an electron, it becomes a

a. positive ion.

b. negative ion.

c. neutral ion.

d. neutral atom.

Describe diffraction in sound, and how it works.

Is there a relationship between the sign of velocity and the sign of acceleration that would indicate whether an object is speeding up or slowing down? Explain this relationship.

Contour plowing is also known as no-till plowing. True or False

In which of the following units is acceleration expressed? a. Meters per second squared b. Foot-pounds c. Kilograms d. Newtons

What characteristic of waves caused the bridge to collapse? absorption, because the bridge absorbed all the energy of the wind diffraction, because the wind moved around the bridge, which set the bridge into motion O interference, because

Un lote de construcción rectangular mide 100 metros por 150 metros. Calcula el área de este lote en yardas cuadradas. (20 puntos)

4. The place on a magnet where the magnet exerts the strongest magnetic force is the magnetic A. pole. B. force. C. domain.

A motorcycle is capable of accelerating at 5.1 m/s2. Starting from rest, how far can it travel in 1.5 seconds? A. 3.8 m B. 4.5 m C. 3.2 m D. 5.7 m

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration

An element in period 4 would have how many electron shells