Physics, 18.07.2019 00:20 abelgutierrez370
An object is placed 10 cm in front of a mirror and an image is formed that is twice as large as the object. which of the following statements is false? the mirror must be concave. if the image is erect, the focal length of the mirror must be negative. if the image is erect, then the image distance is greater than the object distance. if the image is inverted, then the image distance is less than the object distance.
Answers: 3
Physics, 21.06.2019 16:30
Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.
Answers: 3
Physics, 21.06.2019 22:40
Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?
Answers: 2
Physics, 22.06.2019 08:00
Which notation is used to represent an alpha particle? a. b. c. d.
Answers: 1
An object is placed 10 cm in front of a mirror and an image is formed that is twice as large as the...
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