Starting from rest, a dragster travels a straight 1/4 mi racetrack in 6.70 s with constant acceleration. What is its velocity when it crosses the finish line?
A) 296 mi/h B) 135 mi/h C) 188 mi/h D) 269 mi/h
Question 2
An apple weighing 3 newtons hangs, motionless, from a tree branch. Newton's law of force pairs says that forces always come in pairs. One force acting on the apple is the apple's weight.
What is the other force that forms a force pair with the weight?
A) The apple pulling upward on Earth. B) The apple pulling downward on the branch.
C) Earth pulling downward on the apple. D) The branch pulling upward on the apple.
Pupil assessment; A, starting position, with penlight to side of pupil;
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