True or false 1. The magnitude of the displacement vector of an object is equal

Question

True or false 1. The magnitude of the displacement vector of an object is equal to the distance that object has moved 2.Two quantities to be multiplied must have the same dimensions 3.(A)Yes, B) No The plot of x vs t for an object's motion is parabolic. Is the object ever intantaneously at rest? 4.For a one dimensional motion, there is no distinction between velocity and speed. 5.The graph of v vs t shown at right describes the motion of a particle projected straight upward in free fall. 6.If the velocity sector of a car in a perticular direction is Increasing, the acceleration vector of that car in the same direction must be increasing. 7. The equation is valid for all types of motion because it is. fundamental equation of physics. 8. If the average acceleration during some time interval is zero, then the velocity is constant at all times during that interval. 9. A ball is projected from top of lab table at 60degree above horizontal and Later strikes ground, Neglecting air resistance. when the ball reaches its maximum height, its speed is Zero.

Explanation / Answer

i think that 1)T 2)T 3)F 4)F 5)T 6)F 7)T 8)F 9)F

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