Physics, 07.01.2020 21:31 adejumoayobami1
after the train passed, the pitch of the train whistle became lower. this change in sound would be represented by what change in the diagram above?
a. the distance represented by ''a'' would increase.
b. the distance represented by "a" would decrease.
c. the distance represented by ''c" would increase.
d. the distance represented by "c" would decrease.
Answers: 2
Physics, 22.06.2019 12:20, drewefielder6198
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
after the train passed, the pitch of the train whistle became lower. this change in sound would be r...
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