The current in the heater is 3.8A and the potential difference (p.d.) across it is 12V. The iron block has a mass of 2.0 kg. When the heater is switched on for 10 minutes, the temperature of the block rises from 25*C to 55*C. Calculate the specific heat capacity...
safewaterheater
Asked:
December 2022
A wall is covered by 160 tiles which are 15 cm by 15 cm. How many 10 cm by 10 cm tiles are needed to cover the same wall? The best solution will be marked as brainliest!!!
safewaterheater
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December 2022
Two solids spheres have surface areas of 5 cm^2 and 45 cm^2 respectively and the mass of the smaller sphere is 2 kg. Find the mass of the larger sphere. The best solution will be marked as brainliest!!!
safewaterheater
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December 2022
An aircraft flies 400 km from O on a bearing of 025 degree and then 700 km on a bearing of 080 degree to arrive at B. a) How far north of O is B? b) How Far East of O is B? c) Find the distance and bearing of...
safewaterheater
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December 2022
Calculate the number of sides of a regular polygon whose interior angles are each 156 degree. The best solution will be marked as brainliest!!!
safewaterheater
Asked:
December 2022
In a kite PQRS, RP^S=2PR^S, PQ = QS = PS and QR = RS. Find: a) QP^S. b) PR^S. c) QS^R d) PQ^R
safewaterheater
Asked:
December 2022
Two solids spheres have surface areas of 5 cm^2 and 45 cm^2 respectively and the mass of the smaller sphere is 2 kg. Find the mass of the larger sphere. The best solution will be marked as brainliest!!!
safewaterheater
Asked:
December 2022
Two solids spheres have surface areas of 5 cm^2 and 45 cm^2 respectively and the mass of the smaller sphere is 2 kg. Find the mass of the larger sphere. The best solution will be marked as brainliest!!!
safewaterheater
Asked:
December 2022
Answer given at the end of the book is; 180 m The best solution will be marked as brainliest!!!
safewaterheater
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December 2022
The area of the bases of two similar glasses are in the ratio 4:25. Find the ratio of their volumes. The best solution will be marked as brainliest!!!
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December 2022
In a rhombus ABCD, AB^C = 64*. Calculate: a) BC^D. b) AD^B. c) BA^C The best solution will be marked as brainliest...
safewaterheater
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December 2022
The angles of an isosceles triangle are 66 degree , 66 degree and 48 degree. If the shortest side of the triangle is 8.4 cm, find the length of one of the two equal sides. The best solution will be marked as brainliest!!!
safewaterheater
Asked:
December 2022
In a rhombus ABCD, AB^C = 64*. Calculate: a) BC^D. b) AD^B. c) BA^C The best solution will be marked as brainliest......
safewaterheater
Asked:
December 2022
In a kite PQRS, RP^S=2PR^S, PQ = QS = PS and QR = RS. Find: a) QP^S. b) PR^S. c) QS^Rd) PQ^R Answer this question, the best solution will be marked as the brainliest....
safewaterheater
Asked:
December 2022
Two similar solids have volume V1 and V2 and corresponding sides of length X1 and X2. State the ratio V1 and V2 in terms of X1 and X2. The best solution will be marked as brainliest!!!
safewaterheater
Asked:
December 2022
Trigonometry question: For the point A (5; 0) and B (7;3) calculate the angle between AB and the x-axis. The answer given in the book is as follows:56.3 degrees. (with graph) The best solution will be marked as brainliest!!!
safewaterheater
Asked:
December 2022
The diagram represents the starting position (AB) and the finishing position (CD) of a ladder as it slips. The ladder is leaning against a vertical wall Given: AC =x, OC =4AC, BD = 2AC and OB = 5m. From an equation in x, find x and hence find the length...