An object is placed 27.0 cm to the left of a lens of focal length 17.0 cm. 39.0 cm to the right of this lens is a plane mirror. Where does the final image form?
a. 6.9 cm to the right of the mirror
b. 6.9 cm to the left of the mirror
c. 32.1 cm to the left of the lens
d. 45.9 cm to the left of the lens
e. 28.6 cm to the left of the mirror
b
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On the H-R diagram, white dwarfs lie Sirius B and Procyon B lie:
A) at the top left. B) at the top right. C) close to the Sun, near the center. D) at the lower left. E) at the lower right.
Take a cup of water, add sugar, and stir. If the resulting solution no longer contains sugar crystals, the solution is said to be
a. an unsaturated solution. b. a saturated solution. c. a heterogeneous solution. d. none of these.
You drop the box. As it falls to its original level, its kinetic energy is 100 J
Indicate whether the statement is true or false
Buoyancy: A piece of aluminum with a mass of 1.0 kg and density of 2700 kg/m3 is suspended from a light cord and then completely immersed in a container of water having density 1000 kg/m3.(a) Determine the volume of the piece of aluminum.(b) Determine the tension in the cord when the aluminum is immersed in the container of water.
What will be an ideal response?