Physics, 04.02.2021 21:30 cheergirlkr4746
(a)The weight of two metallic spheres, each of 200 g and radius 4 cm and
10 cm respectively are measured in water and vacuum How will the ratio
of their weights change in water and in vacuum? Explain
Answers: 2
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Roger pushes a box on a 30° incline. if he applies a force of 60 newtons parallel to the incline and displaces the box 10 meters along the incline, how much work will he do on the box? a. 5.2 × 102 joules b. 6.0 × 102 joules c. -5.2 × 102 joules d. -6.0 × 102 joules
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Physics, 23.06.2019 18:00
Asample of the mineral calcite has a volume of 15 cm³ and a mass of 40.5 g. what is the density of the calcite? a. 0.37 g/cm³ b. 2.7 g/cm³ c. 55.5 g/cm³ d. 607.5 g/cm³
Answers: 1
Physics, 23.06.2019 20:30
The value of universal gravitational constant is 6.67 × -10 t) newton metre square per kg square ,what does it mean?
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(a)The weight of two metallic spheres, each of 200 g and radius 4 cm and
10 cm respectively are mea...
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