What are the SI units of momentum?
a. kg m/s c. joules
b. pascals d. watts
A
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The process in which one plate slides under another is called subduction and occurs where seafloor crust descends into the mantle below continental crust
Indicate whether the statement is true or false
No evidence of impact craters has been found on Venus
Indicate whether the statement is true or false
After a switch is thrown to remove the battery from a DC LR circuit, but the circuit is still left complete, the time constant represents
a. the time rate of change of the current in the circuit. b. the time rate of change of the induced emf in the circuit. c. the magnitude of the ratio of the current to the time rate of change of the current. d. all of the above. e. only (a) and (b) above.
If the displacement of an object is given in SI units by Dx = -5t + t 2, at t = 2 s its velocity and acceleration are, respectively: (Hint: Use dimensional analysis along with the equations for motion with constant acceleration.)
a. positive, positive. c. negative, negative. b. positive, negative. d. negative, positive.