How much work is done to increase a 20-kg scooter's speed from 10 m/s to 20 m/s
a. 1000j
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Physics, 09.11.2019 23:31 jholland03
How much work is done to increase a 20-kg scooter's speed from 10 m/s to 20 m/s
a. 1000j
b. 3000j
c. 4000j
d. 100j
Answers: 2
Physics, 22.06.2019 03:30, sere50
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
English, 17.07.2019 09:20
Mathematics, 17.07.2019 09:20