A balloon and your hair have a neutral charge. There is no net charge since there are equal positive and negative charges. This is an example of an A inference
B observation
C hypothesis
D radiation

You carry a 7.0-kg bag of groceries 1.2 m above the ground at constant speed across a 2.7m room. how much work do you do on the bag in the process? (a) 157j (b) 0.00j (c) 185j (d) 82j

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Work = force × a. work b. energy c. distance d. momentum