Physics, 16.09.2021 04:50 SmallPepsiCan7260
6. A quarterback can throw a receiver a high, lazy "lob" pass or a low, quick "bullet" pass.
These passes are indicated by curves 1 and 2, respectively, in the figure below. (a) The
lob pass is thrown with an initial speed of 21.5m/s and its time of flight is 3.97s. What is
the launch angle? (b) The bullet pass is thrown with a launch angle of 25.0°. What is the
initial speed of this pass? (c) What is the time of flight of the bullet pass?
Answers: 1
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In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than
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When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
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Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
6. A quarterback can throw a receiver a high, lazy "lob" pass or a low, quick "bullet" pass.
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