What is a lava dome?
What will be an ideal response?
Viscous lava that has escaped from a volcanic vent
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Instructions: On occasion, the notation 
will be a shorthand notation for 
.
Given that 
and 
, what is 
? ?
A.
B.
C.
D.
E.
Stan argues that momentum cannot be conserved when a collision is not a head-on collision. Rachel insists it is conserved because each body receives an impulse of equal magnitude. Rachel is correct because
a. each body exerts an equal and opposite force on the other during the collision. b. the forces act during equal time intervals. c. the law of conservation of momentum for an isolated system is a vector equation. d. of all of the above. e. of only (a) and (b) above.
A proton in a certain particle accelerator has a kinetic energy that is equal to its rest energy. What is the TOTAL energy of the proton as measured by a physicist working with the accelerator? (c = 3.00 × 108 m/s, mproton = 1.67 × 10-27 kg)
A) 5.69 × 10-11 J B) 1.50 × 10-10 J C) 2.07 × 10-10 J D) 3.01 × 10-10 J E) 8.77 × 10-10 J
The CO molecule would
a. probably be nonpolar. b. definitely be nonpolar. c. definitely be polar. d. probably be polar.