Suppose a cart slides from rest down a frictionless PASCO track tilted at some a

Question

Suppose a cart slides from rest down a frictionless PASCO track tilted at some angle ?. Assume: - Down the incline is positive - The origin is at the top of the track. If you plot velocity vs. time for the cart, the graph appears as a) a straight line parallel to the x (time) axis and above the x-axis b) a straight line with negative slope starting at the origin c) a straight line parallel to the x (time) axis and below the x-axis d) a straight line with positive slope starting at the origin e) a parabola, open downward f) a straight line with positive slope, starting from a point on the positive y-axis g) a parabola, open upward h) a straight line along the x (time) axis i) a straight line with negative slope, starting from a point on the positive y-axis j) a straight line along the y-axis

Explanation / Answer

a) a parabola, open upward f) a straight line parallel to the x (time) axis and above the x-axi

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