Started on Monday, May 4, 2020, 2:09 PM
State Finished
Completed on Monday, May 4, 2020, 2:31 PM
Time taken 22 mins 12 secs
Grade 29.40 out of 42.00 (70%)
Question 1
Consistent with Newton's third law of motion, a bullet Pred from a riQe pushes
Incorrect backwards upon the riQe. Which of the following is true about their accelerations?
0.00 points out
of 4.20 Select one:
a. acceleration of bullet > acceleration of riQe
b. acceleration of bullet < acceleration of riQe
c. acceleration of bullet = acceleration of riQe
d. acceleration of bullet ≥ acceleration of riQe
The correct answer is: acceleration of bullet > acceleration of riQe
Question 2
Water in the container that you are holding will remain still if you walk with
Correct
4.20 points out Select one:
of 4.20 a. constant non-zero acceleration along a straight line in forward direction.
b. constant non-zero acceleration along a straight line in reverse direction.
c. constant speed along a straight line.
d. constant speed along a straight line and then turn left.
The correct answer is: constant speed along a straight line.
This study source was downloaded by 100000847426977 from CourseHero.com on 07-24-2022 08:55:08 GMT -05:00
, Question 3
What is the angle between the directions of an action reaction pair?
Correct
4.20 points out Select one:
of 4.20 a. 270o
b. 180o
c. 90o
d. 0o
The correct answer is: 180o
Question 4
In a weightless environment, 5 ml of vinegar is put in a test tube and baking soda is
Correct added to it. Immediately after, a balloon is Ptted over the top of the test tube. Which
4.20 points out
of the following will you observe once the pressure in the test tube is high enough?
of 4.20
Select one:
a. Test tube remains at rest and balloon moves away from it.
b. The test tube and balloon move in the direction of the test tube.
c. Test tube and balloon move in opposite directions to each other.
d. The test tube and balloon move in the direction of the balloon.
The correct answer is: Test tube and balloon move in opposite directions to each
other.
This study source was downloaded by 100000847426977 from CourseHero.com on 07-24-2022 08:55:08 GMT -05:00
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