Iartz clock is more approp
time, why
1.
Group-C
Describe the importance of measurem...
Iartz clock is more approp
time, why
1.
Group-C
Describe the importance of measurement in our daily life.
2.
Express newton and pascal in terms of fundamental units.
3.
How is the volume of an irregular solid measured? Explain.
Express watt and joule in terms of fundamental units.
Express the following numbers in the scientific notation.
i) 2000085000 ii) 0.000825 iii) 2000.82
Convert the following scientific notations into the general form.
i) 3 108
ii) 1.5 x 10-5 iii) 2.57 x 10-7
Convert the following:
i) 54 km into cm
ii) 2 mm² into m?
The volume of water in a measuring cylinder is 50 ml. When a piece of stone is in
in the cylinder, the volume of water increases to 87.3 ml. Calculate the volum
stone.
Group-D
[Ans: 37.3
Answers: 2
Physics, 21.06.2019 20:20
Ateam of astronauts is on a mission to land on and explore a large asteroid. in addition to collecting samples and performing experiments, one of their tasks is to demonstrate the concept of the escape speed by throwing rocks straight up at various initial speeds. with what minimum initial speed vesc will the rocks need to be thrown in order for them never to "fall" back to the asteroid? assume that the asteroid is approximately spherical, with an average density p 3.84 x108 g/m3 and volume v 2.17 x 1012 m3 recall that the universal gravitational constant is g 6.67 x 10-11 n m2/kg2
Answers: 2
Physics, 22.06.2019 16:30
A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
Physics, 22.06.2019 17:30
Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element
Answers: 1
Physics, 22.06.2019 17:40
Which component of the earth’s atmosphere is decreased due to photosynthesis?
Answers: 1
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