A320-g ball and a 400-g ball are attached to the two ends of a string that goes over a pulley with a radius of 8.7 cm. because of friction in its axle, the pulley does not begin to rotate. what is the magnitude of the frictional torque at the axle of the pulley if the system remains at rest when the balls are released?
Answers: 2
Physics, 21.06.2019 16:40
Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge
Answers: 3
Physics, 22.06.2019 06:30
The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
Answers: 2
Physics, 22.06.2019 16:40
An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?
Answers: 3
A320-g ball and a 400-g ball are attached to the two ends of a string that goes over a pulley with a...
Mathematics, 05.05.2020 14:17
Mathematics, 05.05.2020 14:17
English, 05.05.2020 14:17
Mathematics, 05.05.2020 14:17
Mathematics, 05.05.2020 14:17
Mathematics, 05.05.2020 14:17
History, 05.05.2020 14:17
Mathematics, 05.05.2020 14:17
Mathematics, 05.05.2020 14:17