Sully uses a battery and a coil of wire to create an electromagnet. using the same materials, if he wants to increase the strength of his electromagnet, he must number of loops in the coil of wire along its length. if he uses an additional battery, the strength of his electromagnet will

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Who was the first scientist to measure speed as distance over time?

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same