What happens when a sound wave encounters an obstacle in its path?
A)A sound wave’s wavelength allows it to pass through objects.
B) Sound waves bend around the corners of obstacles.
C) Sound waves can easily pass through any object.
D) A sound wave’s amplitude allows it to move around objects.
Answers: 2
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An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?
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Physics, 22.06.2019 16:00
Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative
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Physics, 22.06.2019 23:00
The average time that it takes for the car to travel the first 0.25m is s. the average time to travel just between 0.25 m and 0.50 m is s. given the time taken to travel the second 0.25 m section, the velocity would be m/s.
Answers: 1
What happens when a sound wave encounters an obstacle in its path?
A)A sound wave’s wavelength all...
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