Physics, 18.11.2020 04:10 kaylamcph7844
True or False It takes much more force to blast a soft ball 50 meters than it does to hit a golf ball 50 meters.
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Physics, 21.06.2019 20:30
What property is a characteristic of a substance that can be observed and does not change the identity of the substance
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Physics, 21.06.2019 23:30
Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.
Answers: 1
Physics, 22.06.2019 15:30
At 20∘c, 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 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
True or False
It takes much more force to blast a soft ball 50 meters than it does to hit a golf ba...
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