You push on a block on frictionless ice with a force of 8 N, causing it to accelerate at 2 m/s2 . The mass of the block is __________
Fill in the blank(s) with correct word
4 kg
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An automobile (m = 1.00 × 103 kg) is driven into a brick wall in a safety test. The bumper behaves like a spring (k = 5.00 × 106 N/m), and is observed to compress a distance of 3.16 cm as the car is brought to rest. What was the initial speed of the automobile?
What will be an ideal response?
A ball is thrown straight upward with an initial speed of 30 m/s. Assuming there is no air resistance, how high does the ball go before falling back down?
In a Young's double-slit experiment, how many maxima occur between the m = +3 and m = -3 maxima?
a. 6 c. 7 b. 8 d. Not given.
According to the consensus among those scientists who have studied the question, what is the scientific status of creationism today?
A) Although there is a lot of evidence against it, creationism is plausible on the basis of the principles of many scientific fields. B) Although it disagrees with the principles of many scientific fields, there is a lot of real scientific evidence for creationism. C) It disagrees with the principles of many scientific fields, and there is a lot of scientific evidence against it. D) Creationism is plausible on the basis of the principles of many scientific fields, and here is also real scientific evidence for it, which is why most scientists believe that creationism has real validity. E) Although creationism is plausible on the basis of the principles of many scientific fields, and although there is also real scientific evidence for it, most scientists still will not accept creationism because it seems too unconventional or "kooky."