Iv. answer the following questions:
1. a bag of cement lying in the open gets wet due to rain during the night. the next day the
sun shines brightly. do you think the changes, which have occurred in the cement could be
reversed? explain.
(2, a potter working on his wheel shaped a lump of clay into a pot. he then baked the pot in
an oven. do these two acts lead to the same kind of changes? justify your answer.
3) give three applications of heating and cooling in materials.
4) plastic do not conduct heat as well as iron. give reason
Answers: 1
Physics, 22.06.2019 06:20
Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question
Answers: 1
Physics, 22.06.2019 07:20
If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =
Answers: 1
Physics, 22.06.2019 08:00
1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving
Answers: 1
Iv. answer the following questions:
1. a bag of cement lying in the open gets wet due to rain...
1. a bag of cement lying in the open gets wet due to rain...
Mathematics, 15.07.2019 17:20
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Mathematics, 15.07.2019 17:20
Biology, 15.07.2019 17:20
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History, 15.07.2019 17:20