Answer:
First, the image moves in and out of focus too quickly, so that it is difficult to precisely adjust the focus. Second, you run the risk of crashing the objective into the slide. Use the coarse focus only with the 4x low power objective. You can use the fine focus knob with all objectives.
Explanation:
Answer:
I believe it would be E)none of the above.
Explanation:
Field strength = (15 V) / (4 cm)
Field strength = (15 V) / (0.04 meter)
Field strength = (15/0.04) (volts/meter)
<em>Field strength = 375 volts/meter </em>
When two bodies collide with each other in the absence of an external force, then the total final momentum of the bodies is equal to their total initial momentum.
