How many calories of heat are needed to change the temperature of 550g of water from 12'C to 16'C

14. Cost is an example of_ in designing a product. O a solution O a constraint O an idea O a trade-off

The CIA investigated hypnosis as a possible tool for interrogating prisoners. Why did they decide it was unsuitable for that purpose? A. Hypnosis is completely effective, it just takes too long to entrance the subject. B.

4. The fire alarm goes off, and a 97 kg fireman slides 3.0 m down a pole to the ground floor. Suppose the fireman starts from rest, slides with a constant acceleration, and reaches the ground floor in 1.2 s.

One horsepower is a unit of power equal to 746 W. How much energy can a 150 horsepower engine transform in 10.0 seconds

Type the correct answer in the box. Spell all words correctly. What is the correct term for an area of rotating currents in an ocean? When ocean currents combine, they create an area of rotating currents called a (n) Reset Next

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?

A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?

A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 12 A, while that of the vacuum cleaner is 5.7 A. Determine the power consumed by (a) the blow-dryer and (b) the vacuum cleaner.

4. A 40 kg child and a 30 kg child want to balance themselves on a 4 meter, 50 kilogramn see-saw. Where should the fulcrum be placed?