The power in a lightbulb is given by the equation P= RR, where /is the current
flowing through the lightbulb and Ris the resistance of the lightbulb. What is
the current in a circuit that has a resistance of 25.0 and a power of 30.0 W?
O A. 1.09 A
O B. 1.20 A
O C. 0.910 A
O D. 0.830 A
Answers: 1
Physics, 22.06.2019 04:00
Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit
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Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four
Answers: 1
Physics, 22.06.2019 14:00
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
The power in a lightbulb is given by the equation P= RR, where /is the current
flowing through the...
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