The mass of a lamb that weights 110 N is about

A) 1 kg.
B) 11 kg.
C) 110 kg.
D) 1100 kg.
E) none of the above


Answer: B

Physics & Space Science

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A mineral can be composed entirely of one element.

a. true b. false

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When a 100-? resistor is connected to a battery of emf E and internal resistance r, the battery delivers a power P = 0.794 W. When a 200 ? resistance is connected to same battery it delivers a power P = 0.401 W

What are the emf and internal resistance of the battery? A) E = 10 V, r = 5 ? B) E = 4.5 V, r = 4 ? C) E = 18 V, r = 4 ? D) E = 9 V, r = 2 ? E) E = 12 V, r = 6 ?

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Refer to Figure 10-16 as a particular arrangement for a cooling coil of an air conditioning system. If water condensate from the humid air passing around the vertical tubes is 20 g/s evenly distributed over the 12 tubes, determine the Reynolds number that describes the condensate flow down the tubes. Then estimate the convective heat transfer coefficient and the heat transfer in watts.

What will be an ideal response?

Physics & Space Science

The surface temperature of a white dwarf is higher than the surface temperature of the Sun.

Answer the following statement true (T) or false (F)

Physics & Space Science