In Hypothesis #1, the was intentionally manipulated as the independent variable. In Hypothesis #2, the was intentionally manipulated as the independent variable. The dependent variable measured in both cases was the.

If an object is moving with a constant acceleration, then it could NOT be OA) changing its direction OB) moving in a straight line OC) moving at a constant speed OD) moving at a constant velocity

Which of the following best defines absolute threshold? A. The presence of stimulus for detection. B. The absence of stimulus from detection. C. The weakest amount of stimulus one can detect. D. The greatest amount of stimulus one can detect.

If a person moves an object weighting 6 Newton's over a distance of 20 meters in 60 seconds. The number 6 and 20 is described what in the formula of power. A. work done B. time interval C. Power D. None of the above

If the resistivity of copper is less than that of gold at room temperature, which of the following statements must be true? Gold has a higher resistance than copper. The sample of gold is thinner than the sample of copper.

A softball player is running at 6.9m/s coming into home plate. She leaps and slides the final 3.52 meters to home plate, avoiding being tagged out. If she stops at home plate, what was her acceleration?

Which sphere is NOT a part of the cycling of oxygen through Earths systems?

A transformer has a primary coil with 700 turns and a secondary coil with 350 turns. If the output voltage is 410 volts, what is the input voltage? * a.) 245,000 Volts b.) 205 Volts c.) 2 Volts d.) 820 Volts

Your odometer of your car says 54 123 miles when you start your trip, your watch says 9 45 AM When you get to your estination the odometer says 54 miles and your watch says 11 45 AM What is your average velocity (assuming you were traveling due

Briefly explain how an electric motor works.

When is a hypothesis developed in the scientific method? before there is a question after a question has been identified and observations are made after an experiment if the experiment justifies one