Please answer all T or F questions (all 20 questions) thank you
A positive point source of electric charge causes closed paths of field lines * 2 points For a gravitational field to exist, a minimum of two point masses must * 3 points to loop around it. exist. True True O False False If a charge magnitude changes at one point in space, then the information * 3 points Field lines are largely characterized by symmetry; field lines ought to be * 2 points regarding this new magnitude is instantaneously accessible to every other fully and only as asymmetric as the shape of the source which caused point in space. them. O True True O False False If charge exists at one point in space, then information regarding its * 3 points magnitude and location is accessible to every other point in space For an electrostatic force to exist, a minimum of one point charge must * 2 points exist. True True O False False 4 Work can never be treated as the path integral of force. * 3 points The magnitude of electrostatic field in a region of space is represented by * 2 points True the length of an electrostatic field line in that region. False True False Informational updates to an electrostatic field propagate through the * 3 points electrostatic field slower than the speed of light. Work can always be treated as the closed path integral of force. * 2 points True False True False No matter how many times we differentiate a quadratic function, we will * 2 points never arrive at a constant function. The closed path integral of a conservative force is necessarily 0. * 2 points True O True O False O False | 2 one reasonable way to understand the electrostatic field caused by a point * 2 points According to the 1-D partial differential wave equation, the constant of * 3 points source of electric charge is: a patterned collection of quantitative proportionality between the second partial time-derivative and the second nformation sitting at all points of space at a certain point in time. partial space-derivative (of the dependent variable) is the square of the rate at which the wave propagates. True False O True O False 13 No matter how many times we differentiate a co-sinusoidal function, we * 2 points will never arrive at a constant function. Sound can be properly understood as something material, particular, * 2 points distinct, countable and massive unto itself. True O True False O False If a vast collection of material particles undergoes harmonic oscillation * 3 points according to a specific pattern in space and time, then an immaterial pulse The magnitude of electrostatic force in a region of space is represented by * 3 points of information can propagate through the collection. the length of an electrostatic force vector in that region. True O True O False O False 15 20 If a charge magnitude changes at one point in space, then the information * 3 points Once Newton saw the predictive accuracy of action-at-a-distance, he grew * 3 points regarding this new magnitude changes field vectors one at a time, in a comfortable with the notion. manner resembling a collection of phase-staggered harmonic oscillators. True O True False O False
