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HEJUMACLA

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How much heat energy is required to change 40g of ice at -10K to water at 70K?[Specific heat of ice=2100J/KgK Specific heat of
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2. 884 views
A car is travelling at 60km/h when applies his brakes.If the car decelerates uniformly at 5.6m/s2,how far does the car go after
1. 2 answers
2. 766 views
A car of mass 1100kg starts from rest on a level road and reaches the speed of 50.4km/h in 10s.i)what is the magnitude of
1. 1 answer
2. 591 views
Write down the ORDER OF MAGNITUDE for the numbers given:a)4.72*10^-7 b)8.65*10^4 C)7.59*10^-5
1. 2 answers
2. 364 views
A diagonal of a rectangle forms an angle of 60 degree with each of the two shorter sides of the rectangle.If the length of a
1. 1 answer
2. 768 views
a) SOLVE FOR W:W+6TW=11-Wb)Make j the subject of the formula: r=9-7jk+4jt^2
1. 2 answers
2. 436 views
Factorize :3x^2+3tx-xyt-t^2y
1. 1 answer
2. 362 views
A)(2J)to the power of -1B)(p/6)to the power of -3
1. 1 answer
2. 319 views
On a building plan,the lenght of a 65m-long buliding is 13cm.Another building on the same plan has lenght 55mm.What is the
1. 5 answers
2. 501 views
30% OF A BOOK IS READ,154 PAGES LEFT TO READ.HOW MANY PAGES ARE THERE IN THIS BOOK?
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2. 411 views

Answers (2)

Thanks Ms Sue
Yes,55mm

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