Physics, 06.10.2019 14:30 gabrielaelisa224
Atennis ball with a speed of 27.7 m/s is moving perpendicular to a wall. after striking the wall, the ball rebounds in the opposite direction with a speed of 19.7224 m/s. if the ball is in contact with the wall for 0.0146 s, what is the average acceleration of the ball while it is in contact with the wall? take "toward the wall" to be the positive direction. answer in units of m/s 2 .
Answers: 3
Physics, 21.06.2019 22:30
Select the word from the list that best fits the definition classification of most stars on the h-r diagram
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Physics, 22.06.2019 09:30
Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.
Answers: 1
Physics, 22.06.2019 09:30
The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.
Answers: 1
Physics, 22.06.2019 11:30
1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.
Answers: 1
Atennis ball with a speed of 27.7 m/s is moving perpendicular to a wall. after striking the wall, th...
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