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Please help answer these questions 1. the density of brass is 8x10^3 kg/m3. The volume occupied by 320 g of brass is--- a-0.0038 cm3 b-38cm3

Please help answer these questions

1. the density of brass is 8x10^3 kg/m3. The volume occupied by 320 g of brass is---

a-0.0038 cm3

b-38cm3

c-3.8 cm3

d-0.038cm3

e-380cm3

2.when the density of a fluid is doubled the buoyant force is on a floating object in that fluid is--

3. 10^-22/10^-8 x 10^16 ---

a-10^-14

b- 10^30

c- 10^2

d-10^46

4.A banana and a basketball are dropped in a vacuum chamber. when they have fallen halfway down they have the same -

-a-KE

B- PE

C-speed

d-momentum

e- rest energy

5. when the pressure is doubled while the temperature is halved, the volume is then

a- halved

b- doubled

c- increased by 4x

d- decreased by 4x

-unchanged

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