Physics, 10.10.2019 19:00 ghari112345
Acertain string can withstand a maximum tension of 39. n without breaking. a child ties a 0.43 kg stone to one end and, holding the other end, whirls the stone in a vertical circle of radius 0.98 m, slowly increasing the speed until the string breaks. where is the stone on its path when the string breaks (top of the circle, middle of the circle or bottom of the circle)
Answers: 1
Physics, 22.06.2019 07:00
World class speed skaters can skate a 3,000-m course in about 4 minutes.what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s
Answers: 2
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 18:30
In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents
Answers: 1
Acertain string can withstand a maximum tension of 39. n without breaking. a child ties a 0.43 kg st...
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