A 0.28-kg stone you throw rises 34.3 m in the air. The magnitude of the impulse the stone received from your hand while being thrown is
a. 0.27 N s.
b. 2.7 N s.
c. 7.3 N s.
d. 9.6 N s.
e. 34.3 N s.
c
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An aluminum bar (E 5 72 GPa, ? 5 0.33) of diameter 50 mm cannot exceed a diameter of 50.1 mm when compressed by axial force P. The maximum acceptable compressive load P is approximately:
(A) 190 kN (B) 200 kN (C) 470 kN (D) 860 kN
Even though your car weighs several thousand pounds, it can easily be raised above your head by a pneumatic lift at the service station by a small motor pumping fluid through a pipe. This an illustration of
A. Bernoulli's Law. B. Pascal's Principle. C. Archimedes' Principle. D. Newton's 3rd Law.
Which of the following is not a characteristic of the outer planets?
A) They all have rings. B) They all have large quantities of gas. C) They have very few, if any, satellites. D) They are primarily made of hydrogen and helium. E) Their orbits are separated by relatively large distances.
The figures below represent interference fringes. The distances from the screen to the slits is the same for each figure, and the planes of the screen and the slits are parallel. Which figure(s) represent(s) slits with the greatest spacing d between the slits? The white spaces represent the interference maxima
a.
I.
b.
II.
c.
III.
d.
IV.
e.
V.