Physics, 20.08.2019 23:30 shyanne5276
Aconcave makeup mirror has a radius of curvature of 50 cm. it is positioned so that when a person looks in the mirror, they see their face upright and 2.6 times larger. how far is the mirror from the face? a) 9.23 cm b) 13.5 cm c) 11.1 cm d) 15.4 cm e) 17.8 cm
Answers: 3
Physics, 22.06.2019 09:40
When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.
Answers: 1
Physics, 22.06.2019 14:30
Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current
Answers: 1
Physics, 22.06.2019 17:30
Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.
Answers: 1
Aconcave makeup mirror has a radius of curvature of 50 cm. it is positioned so that when a person lo...
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