Physics, 04.11.2020 19:20 dasiaflowers85
A ping pong player hits a ball horizontally at 10.meters per second from an initial height of 1.5 meters, as represented in the following diagram. Use the diagram and information to answer any questions that follow.
What occurs to the horizontal velocity of the ball as it travels in the air, ignoring air drag?
A.
It decreases slightly
B.
It stays the same
C.
It increases slightly
D.
It increases drastically
Answers: 1
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The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (c3h8) to burn it completely. for every gram of propane that flows through the burner, what volume of air is needed to burn it completely? assume that the temperature of the burner is 195.0Ā°c, the pressure is 1.05 atm, and the mole fraction of o2 in air is 0.210.
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Suppose two stars are located in region a of the h-r diagram shown in the figure below. star c appears much dimmer than star y as seen from earth. which star can be inferred to be nearer to earth and how do you know?
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A ping pong player hits a ball horizontally at 10.meters per second from an initial height of 1.5 me...
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