1. Examine your data table closely. Notice that the Average Applied Force and Average Net Force are different. Explain why these average forces differ. 2. Why should average net force be used to determine the acceleration of the apparatus? Explain.

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Which of the following list the divisions of the geologic time scale in order from longest to shortest

A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?

Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.