How has light been described? As a force and a wave only as a particle only as a force as a particle and a wave only as a wave

Suppose that the resistance between the walls of a biological cell is 3.9 * 109 Ω. (a) What is the current when the potential difference between the walls is 84 mV? (b) If the current is composed of Na + ions (q = + e), how many such ions flow in 0.

A thermometer reading 7degreesC is brought into a room with a constant temperature of 30 degrees C. If the thermometer reads 16degreesC after 2 minutes, what will it read after being in the room for 4 minutes? For 9 minutes?

The water in a river flows uniformly at a constant speed of 2.27 m/s between parallel banks 69.3 m apart. You are to deliver a package directly across the river, but you can swim only at 1.58 m/s.

Most applications will ask you to provide all of the following information except: A. how long you want to work for the establishment. B. days and hours that you are available to work. C. the date you can start work. D. your desired salary or wage.

Your family is moving to a new home. While lifting a box 1.5 m straight up to put it on a truck, you exert an upward force of 200 N. Calculate the amount of work you did. a) 300 J b) 201.5 J c) 198,5 J d) 133 J

What causes the Coriolis effect? winds spinning off the equator the rotation of Earth on its axis the different air movements north and south of the equator the friction that slows down winds near Earth's surface

A force of 10 N, 60 degrees above the horizontal, is applied to a box being dragged 10 m. Find the work done on the box. Ignore Friction. A) 25J B) 50 C) 10 D) 9501

Structures that are especially susceptible to wind damage are?

Find the volume of a box with a length of 5 cm, a width pf 5cm, and a height of 10cm.

The suns energy reaches the sun by Conduction Convection Radiation Fusion