Physics, 25.01.2021 20:20 madelyngv97
Stranded on a frozen and frictionless lake, David, who has a mass of 55 kg, takes off his new 0.15 kg Michael Jordan tennis shoes that he got from Santa Clause for Christmas. He throws the shoes horizontally directly away from the shore with a speed of 2 m/s. If David is 5 m away from shore, how long does it take before he reaches land
Answers: 2
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Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline
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The dipole moment of the water molecule (h2o) is 6.17x10^-30 c. m. consider a water molecule located at the origin whose dipole moment p points in the +x-direction. a chlorine ion ( of charge-1.60x10^-19c , is located at x=3.00x10^-9m . assume that is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis can be used. a) find the magnitude of the electric force that the water molecule exerts on the chlorine ion. b) what is the direction of the electric force. -x-direction or +x-direction c) is this force attractive or repulsive?
Answers: 1
Stranded on a frozen and frictionless lake, David, who has a mass of 55 kg, takes off his new 0.15 k...
Mathematics, 30.11.2019 04:31
Mathematics, 30.11.2019 04:31
Mathematics, 30.11.2019 04:31