Your friend states in a report that the average time required to circle a 1.5-mi track was 65.414 s. this was measured by timing 7 laps using a clock with a precision of 0.1 s. how much confidence do you have in the results of the report? explain.

Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

An engineer designs a roller coaster so that a car travels horizontally for 162 ft, then climbs 127 ft at an angle of 31.0° above the horizontal. it then moves 127 ft at an angle of 46.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above