Physics, 03.04.2020 15:45 Jackierose2004
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. The string rotates at an angular speed of 40 rev/s, and its tip has a tangential speed of 67 m/s. What is the length of the rotating string?
Answers: 3
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 11:00
The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.
Answers: 3
Physics, 23.06.2019 01:30
The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?
Answers: 1
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that...
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