Akid on a playground swing makes 6 complete to-and-fro swings each 30 seconds.
the frequency of the swinging is
the period of the swinging is
(i don't really understand this can someone explain.)

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:

Amedication is given at a dosage of 3.000 mg of medication per kg of body weight. if 0.1500 g of medication is given, then what was the patient's weight in pounds (lbs)? there are 453.59g in 1 lb.