Physics, 19.12.2020 22:00 lukaslinder3529
The sound level at a point P is 14 db below the sound level at a point 1.0 m from a point
source. Assuming the intensity from a point source drops off like the inverse square of
the distance, the distance from the source to point P is:
Answers: 2
Physics, 22.06.2019 17:30
Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.
Answers: 3
Physics, 22.06.2019 19:30
Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.
Answers: 1
Physics, 22.06.2019 21:10
The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.
Answers: 1
Physics, 23.06.2019 20:30
Ameteorite strikes earth and forms a crater, decreasing the meteorite's momentum to zero. does this phenomenon contradict the conservation of momentum? choose as many answers as you think are correct.
Answers: 1
The sound level at a point P is 14 db below the sound level at a point 1.0 m from a point
source. A...
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