Physics, 10.03.2021 08:00 elpeke102p73fz3
Help! I have this assignment for physics.
1. You place a book on a table. Someone asks you to draw the forces acting on the book. What force diagram do you show them?
2. A car has come to a complete stop at a red light. Draw the force diagram for this car at rest.
3. A car is parked uphill on a sloped street. How would you draw the force diagram to
illustrate all of the forces acting on this car to keep it parked on the slope? (Hint: Don’t
forget to think about frictional forces!)
Answers: 2
Physics, 22.06.2019 03:30
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
Physics, 22.06.2019 14:30
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
Physics, 22.06.2019 16:00
The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.
Answers: 2
Help! I have this assignment for physics.
1. You place a book on a table. Someone asks you to draw...
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