The ejection of an alpha particle from a nucleus result A. an increase in atomic number by 1, B. and increase in atomic mass my four
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Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?