The velocity of a longitudinal wave traveling in a liquid or a gas depends only on the density of the fluid
Indicate whether the statement is true or false
FALSE
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How can the light reflected off a planet reveal information about its atmosphere, even though the planet is not creating this light?
What will be an ideal response?
A 100-N little physics tyke hangs on the ends of a rope suspended over a pulley as shown. The tension in the rope is
1) 0 N. 2) 50 N. 3) 100 N. 4) 200 N. It is interesting to note that 5) the tension in the rope at its midpoint (uppermost part) is 100 N. 6) this is a modified tug-o'-war example (simply draped over a pulley). 7) the net force acting on the rope is in this case identical to the child's weight.
The gravitational Force between two objects decreases if you __________ their mass or _________ the distance between them.
Fill in the blank(s) with the appropriate word(s).
The ________ was a particle predicted to exist long before it was observed because energy is not conserved in beta decays without it.
What will be an ideal response?