How many arcseconds are in 1 arcminute?
A) 60
B) 360
C) 3600
D) 100
E) 10,000
A) 60
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The net force acting on a 12.6-kg object is given by Fx = (8 – x) N, where Fx is in newtons and x is in meters. How much work is done on the object as it moves from x = 0 to x = 6 m?
a. 64 J b. 30 J c. 28 J d. 24 J
Consider a submarine at a depth of 67. meters in sea water (density 1.03 grams/cc) and the interior of the sub is at 1.0 atmosphere
(a) What is the outside pressure at that depth? (b) Find the total force that must be withstood by a square hatch (0.90 m square) which leads to the sub interior.
A car hits another and the two bumpers lock together during the collision. Is this an elastic or inelastic collision?
A) elastic B) inelastic C) insufficient information (It could be either.)
Which of the following are not produced by streams?
A) floodplains B) deltas C) moraines D) alluvial fans