Physics, 15.07.2019 21:30 soupsah7304
Why does a hot-air balloon rise? the weight of the balloon is less than the weight of the air displaced by the balloon. the weight of the air displaced by the balloon is less than the volume of the balloon. the volume of the air displaced by the balloon is less than the volume of the balloon.
Answers: 1
Physics, 22.06.2019 21:00
If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?
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Physics, 23.06.2019 03:30
What can change the speed of sound as it travels through the ocean? a. salinity only b. density and salinity c. salinity and distance from land d. density and distance from land
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Physics, 23.06.2019 06:00
Aforklift raises a box above the floor and does 2,000 j of work. if the forklift motor consumes 3,000 j of electrical energy from the battery to raise the box, what is the efficiency of the lift?
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Physics, 23.06.2019 11:20
The charge on a charged sphere is; 1. concentrated at its center 2. distributed uniformly throughout its volume 3. clustered on its center 4. distributed uniformly over its surface
Answers: 3
Why does a hot-air balloon rise? the weight of the balloon is less than the weight of the air disp...
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