The highest mountain on Mars is Olympus Mons, rising 22 000 meters above the Martian surface. If we were to throw an object horizontally off the mountain top, how long would it take to reach the surface? (Ignore atmospheric drag forces and use gMars = 3.72 m/s2.)
a. 1.8 minutes
b. 2.4 minutes
c. 3.0 minutes
d. 0.79 minute
a
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Which of the following is not associated with van der Waals bonds?
(a) Fluctuating- electric dipoles (b) Electron transfer (c) Permanent- electric dipoles (d) Relatively low melting temperature
Four point charges are located at the corners of a square, 1.00 m by 1.00 m. On each of two diagonally opposite corners are 1.00 ?C charges. On each of the other two corners are - 1.00 ?C charges. What is the magnitude of the force on one of the positive charges?
a. 
b. 
c. 
d. 
e. 0.00
Who, in 1925, postulated that matter, as well as light, has properties of both waves and particles?
a. Planck b. Heisenberg c. de Broglie d. Einstein
Two bodies, A and B, collide as shown in Figures I and II below
Which statement is true?
a.
They exert equal and opposite forces on each other in I but not in II.
b.
They exert equal and opposite force on each other in II but not in I.
c.
They exert equal and opposite force on each other in both I and II.
d.
The forces are equal and opposite to each other in I, but only the components of the forces parallel to the velocities are equal in II.
e.
The forces are equal and opposite in I, but only the components of the forces perpendicular to the velocities are equal in II