1. A 500.0 N student standing on a scale in an elevator notices that the scale reads 550.0 N. a. From this information, the student knows that the elevator's acceleration is A) upward. B) downward. C) The student cannot tell whether the elevator is accelerating upward or downward. b. From this information, the student knows that the elevator's velocity is D) upward. E) downward. F) The student cannot tell whether the elevator is moving upward or downward.
1. A 500.0 N student standing on a scale in an elevator notices that the scale reads 550.0 N.
a. From this information, the student knows that the elevator’s acceleration is
A) upward.
B) downward.
C) The student cannot tell whether the elevator is accelerating upward or downward.
b. From this information, the student knows that the elevator’s velocity is
D) upward.
E) downward.
F) The student cannot tell whether the elevator is moving upward or downward.
2. You swing a bat and hit a heavy box with a force of 1600 N.
a. If the box moves when you hit it, the force the box exerted on the bat when hit is
A) greater than 1600 N if the bat bounces back.
B) greater than 1600 N.
C) exactly 1600 N.
D) less than 1600 N
*please write a detail as much as possible for both question
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