Physics, 30.11.2019 03:31 supermkimbrel
Atoy robot moved from a starting point, traveling in a straight line at different speeds and then turning around and returning to the starting point at different speeds. what is the total distance that the toy robot traveled?
Answers: 3
Physics, 21.06.2019 18:00
Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?
Answers: 2
Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 1
Physics, 22.06.2019 15:30
At 20βc, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12Γ10β6 kβ1 and23Γ10β6 kβ1 respectively.
Answers: 1
Physics, 23.06.2019 08:00
Acar going 30 m/s to 70 m/s in 10 seconds calculate the acceleration of the car
Answers: 2
Atoy robot moved from a starting point, traveling in a straight line at different speeds and then tu...
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