ASAP PLEASE HELP M 20 POINTS SCIENCE
What are two claims based on science?
A. Many people wor...
ASAP PLEASE HELP M 20 POINTS SCIENCE
What are two claims based on science?
A. Many people worry that increased global temperatures will couse their businesses to lose profits.
B. The data gathered from seaside laboratories around the world show that global sea levels have risen.
C. Earth's temperature must be rising, because winter sports are less popular than in the past.
D. Temperature measurements show that many climates are warmer than they were in the past.
Answers: 2
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With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
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Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
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To practice problem-solving strategy 10.1 for energy conservation problems. a sled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slides a distance d1 down the slope and then covers the distance d2 along the horizontal terrain before stopping. find the coefficient of kinetic friction μk between the sled and the ground, assuming that it is constant throughout the trip.
Answers: 1
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