Physics, 29.06.2021 17:10 miyiab7666
A person's eye lens is 2.9 cm away from the retina. This lens has a near point of 25 cm and a far point at infinity. What must the focal length of this lens be in order for an object placed at the near point of the eye to focus on the retina
Answers: 3
Physics, 22.06.2019 05:30
Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue
Answers: 2
Physics, 22.06.2019 14:30
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
A person's eye lens is 2.9 cm away from the retina. This lens has a near point of 25 cm and a far po...
History, 04.07.2019 14:30
Mathematics, 04.07.2019 14:30
Chemistry, 04.07.2019 14:30
Physics, 04.07.2019 14:30
Mathematics, 04.07.2019 14:30