Physics, 24.12.2019 03:31 nickocasamplonp6mlob
Aconverging lens of focal length 20 cm is placed in contact with, and to the left of, a diverging lens of focal length 30 cm. if an object is placed 40 cm to the left of the converging lens, the total magnification is:
a) –3.0
b) –1.5
c) –1.0
d) 2.0
e) 3.0
Answers: 1
Physics, 22.06.2019 03:50
Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?
Answers: 1
Physics, 22.06.2019 07:00
Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount
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Physics, 22.06.2019 10:30
You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
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Physics, 22.06.2019 11:30
Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.
Answers: 1
Aconverging lens of focal length 20 cm is placed in contact with, and to the left of, a diverging le...
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