The sedimentary rock known as ______________ consists of angular pebbles cemented together by silica, calcium carbonate, or iron oxide
Fill in the blank(s) with correct word
breccia
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The heat of fusion for lead at 327.0 
22.9 kJ/kg and the specific heat of lead is 0.130 kJ/kg
What is the energy needed to melt 100 grams of lead starting at 0
?
A. 3.56 kJ B. 4.23 kJ C. 6.54 kJ D. 7.02 kJ E. 7.76 kJ
Conservation of Momentum: A 14-cm diameter champagne bottle rests on its side on top of a frictionless horizontal table. Suddenly, the cork pops and the bottle slides backward, covering a distance of 22.0 cm in 0.44 s. If the mass of the bottle is 500 times the mass of the cork, find the distance from the original position that the cork will land on the table. Neglect air resistance and assume that the cork is very small compared to the bottle.
A. 3000 cm B. 60 m C. 85 m D. 8.5 cm
An object of mass 0.50 kg is transported to the surface of Planet X where the object's weight is measured to be 20 N. The radius of the planet is 4.0 × 10^6 m. What free-fall acceleration will the 0.50-kg object experience when transported to a distance of 8.00 × 10^6 m from the surface of this planet?
a. 240 m/s2 b. 1.11 m/s2 c. 10.0 m/s2 d. 4.44 m/s2
Water flows through a horizontal pipe of cross-sectional area 10.0 cm2 at a pressure of 0.250 atm with a flow rate is 1.00 L/s. At a valve, the effective cross-sectional area of the pipe is reduced to 5.00 cm2
What is the pressure at the valve? The density of water is 1000 kg/m3, and treat it as an ideal incompressible fluid. A) 0.110 atm B) 0.235 atm C) 0.200 atm D) 0.157 atm E) 7700 Pa