You look at yourself in a shiny 8.8-cm-diameter christmas tree ball. part a
if your face is 29...
Physics, 21.08.2019 21:20 quissowavyquis4808
You look at yourself in a shiny 8.8-cm-diameter christmas tree ball. part a
if your face is 29.0 cm away from the ball's front surface, where is your image? follow the sign conventions.
part b
is it real or virtual?
part c
is it upright or inverted?
Answers: 2
Physics, 21.06.2019 23:30
Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration
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You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a
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Physics, 22.06.2019 05:10
Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.
Answers: 3
Physics, 22.06.2019 10:40
As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.
Answers: 1
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