Convert 11 ppm into a percent

1) Analyze the student data as if you were Ms. Olivera. One group clearly won the challenge. What aspects of the winning design accounted for the strength of Group #2's electromagnet? A) Using a 9-volt battery for more electrical energy.

Which gland controls the response to fear and excitement?

What is an Amplitude

Which statement is NOT true about voltage? A higher voltage means a faster current. All electricity sources have the same voltage. Voltage is the difference in electrical potential energy. The unit for voltage is volt (v).

What kind of wave (transverse of longitudinal) is each of the following and why? The sound of one whale calling another whale underwater. A pulse sent down a stretched rope by snapping one end of it. The vibrations in a guitar string.

16. A block is sitting on a ramp tilted from horizontal. The block is just about to slide. T he angle of the ramp relative to horizontal is 14 degrees. What is the coefficient of friction between the block and the ramp? a. 0.25 b. 0.97 c. 0.5 d. 0.

Assume that a friend hands you a heavy book to hold as he turns the combination lock on his locker. Which of you does more work?

A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that is open at both ends has a fundamental frequency of 422 Hz, while the piece open only at one end has a fundamental frequency of 666 Hz.

Table tennis the path of a table-tennis ball after being hit and hitting the surface of the table can be modeled by the function h=-4.9t (t-0.42) where h is the height in meters above the table and t is the time in seconds.

A coat rack weighs 65.0 lbs when it is filled with winter coats and 40.0 lbs when it is empty. The base of the coat rack has an area of 452.4 in2.