Physics 111 Exam 1 2024/2025 Verified 100% Correct

A bicyclist is riding at a constant speed along a horizontal, straight-line path. The rider throws a ball straight up to a height a few meters above her head. Ignoring air resistance, where will the ball land? Ignore any effects of air resistance. {Ans: in the same hand that threw the ball}Consider each of the following comparisons between various time units. Which one of these comparisons is false? {Ans: 1 ns > 1000 µs}Which of the following about vectors is an accurate statement {Ans: the length of a vector arrow represents the magnitude of the vector}A boat attempts to cross a river. The boat's speed with respect to the water is 12.0 m/s. The speed of the river current with respect to the river bank is 6.0 m/s. At what angle should the boat be directed so that it crosses the river to a point directly across from its starting point {Ans: 30.0°}Which one of the following statements is true concerning scalar quantities? {Ans: Scalar quantities can be added to other scalar quantities using rules of ordinary addition.}Free Fall {Ans: If only one force is acting on an object and that force is gravity,