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Q: 7. A steel block has a volume of 0.08 m³ and a density of 7,840 kg/m³. What is the force of gravity acting on the block (the weight) in water? A. 6,700.56 N B. 5,362.56 N C. 6,150.64 N D.
7,600.18 N
A: A. 5,362.56 N is the answer.
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User: 7. A steel block has a volume of 0.08 m³ and a density of 7,840 kg/m³. What is the force of gravity acting on the block (the weight) in water? A. 6,700.56 N B. 5,362.56 N C. 6,150.64 N D. 7,600.18 N

Weegy: A. 5,362.56 N is the answer.
OxTornado007|Points 6899|

User: 8. According to Ptolemy's model of the movement of celestial bodies, A. planets orbit in circular paths around the earth. B. the sun is the center of the universe. C. the earth rotates around the sun. D. the earth rotates around the moon.

Weegy: According to Ptolemy's model of the movement of celestial bodies,: C. planets orbit in circular paths around the earth.
andrewpallarca|Points 25062|

User: 9. If an object has a mass of 20 kg, what is the force of gravity acting on it on earth? A. 196 N B. 2.04 kg C. 32.67 N D. 1.96 kg

Weegy: The answer is 2.04 kg.

User: 10. What is the kinetic energy of an object that has a mass of 30 kilograms and moves with a velocity of 20 m/s? A. 6,000 J B. 12,000 J C. 5,880 J D. 2,940 J

Weegy: Answer : C. The kinetic energy of an object that has a mass of 30 kilograms and moves with a velocity of 20 m/s is 6,000 J. k.e.=1/2 mv^2 =1/2*30*(20)^2 =15*400 =6000 kg m^2/s^2 =6000J
piash|Points 3339|

User: 11. A car with a mass of 2,000 kilograms is moving around a circular curve at a uniform velocity of 25 meters per second. The curve has a radius of 80 meters. What is the centripetal force on the car? A. 15,625 N B. 20,250 N C. 703 N D. 625 N

Weegy: CF = mv^2/r= 2000*25^2/80 CF = A. 15,625 N
shifa saleheen|Points 9966|

User: 12. When an automotive battery is fully charged, the sulfuric acid and water mixture will have a specific gravity of about A. 1.0. B. 1.3. C. 2.5. D. 0.15.

Weegy: The answer is: B. 1.3 .. When an automotive battery is fully charged, the sulfuric acid and water mixture will have a specific gravity of about "1.3".
Koolsum|Points 1456|

User: 13. In a practical machine, the power output is _______ the power input. A. smaller than B. multiplied by C. equal to D. larger than

Weegy: C. smaller than
stickman|Points 6262|

User: 14. An object with a mass of 78 kilograms is lifted through a height of 6 meters. How much work is done? A. 764.4 J B. 468 J C. 47.75 J D. 4,586.4 J

Weegy: D. [ 4,586.4 J use the formula W = mgs W stands for work done in joules m stands for mass of the object g stands for gravity s stands for the distance the object is lifted W = mgs W = 78kilograms 9.8m/s2 6meters W = 4586.4 J (joules) answer would be 4,586.4 J ]
chopsuey|Points 72|

User: 15. A car with a mass of 1,200 kilograms is moving around a circular curve at a uniform velocity of 20 meters per second. The centripetal force on the car is 6,000 newtons. What is the radius of the curve? A. 80 meters B. 32 meters C. 16 meters D. 160 meters

Weegy: The radius of the curve is D. 80 meters.
yumdrea|Points 1011|

User: 16. Oil flows upward in the wick of a lantern because of the liquid property called A. viscosity. B. density. C. capillarity. D. meniscusity.

Weegy: C. Capillarity
Fanboy|Points 2821|

User: 17. Which of the following is the term used to describe a body's resistance to a change in motion? A. Inertia B. Mass C. Gravity D. Acceleration

Weegy: Inertia is the term used to describe a body's resistance to a change in motion.

User: 18. What force is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s²? A. 23 kg B. 23 N C. 1.875 kg D. 120 N

Weegy: {D. 120 N}
Giana|Points 1081|

User: 19. If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground, what is the final velocity of the stone? A. 78.4 m/s B. 156.8 m/s C. 39.2 m/s D. 42.6 m/s

Weegy: C. 78.4 m/s
japs2310qa|Points 1979|

User: 20. A man standing on a bus remains still when the bus is at rest. When the bus moves forward and then slows down the man continues moving forward at the original speed. This is an example of the effect of A. gravity. B. weight. C. velocity. D. inertia.

User: 21. A center-seeking force related to acceleration is _______ force. A. frictional B. centrifugal C. centripetal D. gravitational

Weegy: The answer is C. Centrifugal
jake09|Points 18|

User: 22. A naturally occurring force related to two bodies in motion is _______ force. A. gravitational B. centrifugal C. centripetal D. frictional

Weegy: A naturally occurring force related to two bodies in motion is frictional force.
jeifunk|Points 10234|

User: 23. The ability of a material to transfer heat or electric current is called A. convection. B. porosity. C. conductivity. D. insulation.

Weegy: D. conductivity is the ability of a material to transfer heat or electric current.
businesslady|Points 1133|

User: 24. The orbits of planets being elliptical was one the planetary laws developed by A. Kepler. B. Copernicus. C. Ptolemy. D. Brahe.

Weegy: A. Kepler.
taben29|Points 777|

User: 25. A stone falls from a ledge and takes 8 seconds to hit the ground. The stone has an original velocity of 0 m/s. How tall is the ledge? A. 1,254.4 meters B. 313.6 meters C. 39.2 meters D. 78.4 meters

Weegy: y(8) = -1/2 (9.81 * 8 ) = 313.92 m so is D. 313.6 meters
Controler|Points 3928|

User: 1. The transmission of heat requiring the movement of a liquid or a gas is A. conduction. B. radiation. C. transduction. D. convection.

Weegy: The transmission of heat requiring the movement of a liquid or a gas? Answer: Radiation
ACTS|Points 111|

User: 2. The _______ is used to express absolute temperatures in the English system of measurement. A. Rankine scale B. Fahrenheit scale C. Kelvin scale D. Celsius scale

User: 3. Liquid alcohol will change to vapor when its temperature reaches the A. boiling point. B. melting point. C. freezing point. D. fusing point.

Weegy: A. boiling point. Any form of liquid alcohol will change to vapor when its temperature reaches the boiling point (different for each type of alcohol).
migzptz|Points 7630|

User: 4. Within an internal combustion engine, the can-shaped component that moves up and down the cylinder and is the main moving part in the engine is the A. connecting rod. B. spark plug. C. piston. D. crankshaft.

Weegy: B. piston
margarita|Points 321|

User: 5. A temperature of 200°F is equivalent to approximately A. 93.3°C. B. 840°C. C. 37.8°C. D. 232°C.

Weegy: 200 degrees f is equal to 93.3 celcius.
xgabriellex|Points 615|

User: 6. 20 cubic inches of a gas with an absolute pressure of 5 psi is compressed until its pressure reaches 10 psi. What is the new volume of the gas? (Assume that there's no change in temperature.) A. 10 cubic inches B. 100 cubic inches C. 40 cubic inches D. 5 cubic inches

Weegy: D. 10 cubic inches
concreterose|Points 560|

User: 7. What is the value of the temperature 15 degrees Celsius in degrees Kelvin? A. 455 degrees B. 475 degrees C. 288 degrees D. 258 degrees

Weegy: B. 288 degrees
wisbest|Points 2811|

User: 8. One degree Celsius indicates the same temperature change as A. one degree Fahrenheit. B. 9/5 kelvin. C. 5/9 degree Fahrenheit. D. one kelvin.

Weegy: One degree Celsius indicates the same temperature change as: C. one kelvin.
andrewpallarca|Points 25064|

User: 9. Which one of the following temperatures is equal to 5°C? A. 465 K B. 0 K C. 278 K D. 41 K

Weegy: A. 278 is equal to 5 C temperatures.
sujaysen|Points 4980|

User: 10. Heat from burning fuel warms the walls of the firebox section of the furnace in A. an evaporation system. B. a hot-air heating system. C. a hot-water heating system. D. a compressor compartment.

Weegy: D. a hot-air heating system.
uxiali|Points 1600|

User: 11. During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, A. both the intake and exhaust valves are open. B. the intake valve is open and the exhaust valve is closed. C. the exhaust valve is open and the intake valve is closed. D. both the intake and exhaust valves are closed.

Weegy: B. both the intake and exhaust valves are closed. During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber both the intake and exhaust valves are closed.
eturker|Points 2996|

User: 12. In a gasoline engine, the area in the cylinder head where the air-and-fuel mixture is burned is called the A. piston. B. intake valve. C. cylinder. D. combustion chamber.

Weegy: A. combustion chamber
christilynch|Points 90|

User: 13. What is the temperature 32 degrees Fahrenheit in degrees Celsius? A. –10 degrees Celsius B. 20 degrees Celsius C. 10 degrees Celsius D. 0 degrees Celsius

Weegy: The answer is C. 0 degrees Celsius.
lena.G|Points 261|

User: 14. Which of the following statements correctly describes the position of the intake and exhaust valves during most of the power stage in a four-cycle gas engine? A. Both the intake valve and the exhaust valve are closed. B. The intake valve is open and the exhaust valve is closed. C. The intake valve is closed and the exhaust valve is open. D. Both the intake valve and the exhaust valve are open.

Weegy: Both the intake valve and the exhaust valve are closed.
AngelInDisguise|Points 5101|

User: 15. What is the length of an aluminum rod at 65°C if its length at 15°C is 1.2 meters? A. 1.201386 meters B. 0.00180 meter C. 1.214855 meters D. 0.001386 meter

Weegy: B. 1.201386 meters. at 65 C
robDess|Points 70|

User: 16. The density of water is the greatest at a temperature of A. 277 K. B. 4 K. C. 273 K. D. 0 K.

Weegy: B. 277. Water has its maximum density at 4 C which equates to 277K.
migzptz|Points 7630|

User: 17. A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees kelvin. When the temperature of the gas is raised to 533 degrees kelvin, what is the new volume of the gas? (Assume that there's no change in pressure.) A. 0.2333 m3 B. 0.3198 m3 C. 0.2146 m3 D. 0.0006 m3

Weegy: D. 0.2146 m3
rheyniel_hzt|Points 0|

User: 18. If the absolute pressure of a gas is 550.280 kPa, its gage pressure is A. 448.955 kPa. B. 101.325 kPa. C. 277.280 kPa. D. 651.605 kPa.

Weegy: If the absolute pressure of a gas is 550.280 kPa, its gage pressure is 448.955 kPa.
jeifunk|Points 10234|

User: 19. Which one of the following substances is a liquid fuel used in rocket engines? A. Liquid oxygen B. Codium nitrate C. Potassium perchlorate D. Ammonia

Weegy: C. Liquid oxygen. Liquid oxygen is a liquid fuel used in rocket engines.
eturker|Points 2996|

User: 20. A silver bar 0.125 meter long is subjected to a temperature change from 200°C to 100°C. What will be the length of the bar after the temperature change? A. 0.0000189 meter B. 0.00002363 meter C. 0.00023635 meter D. 0.124764 meter

Weegy: The length of the bar after the temperature change will be: B. 0.124764 meter.
andrewpallarca|Points 25064|

User: 21. When the molecules in a body move with increased speed, it's possible that the body will change from a A. liquid to a solid. B. gas to a solid. C. liquid to a gas. D. gas to a liquid.

User: 22. Unlike other kinds of liquids, volatile liquids A. freeze readily at a relatively high temperature. B. ignite readily at a relatively low temperature. C. flow rapidly at a relatively low temperature. D. evaporate rapidly at a relatively low temperature.

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Asked 9/3/2013 2:43:22 PM
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1. For most people, the religious revival of the eighteenth century focused on A. individual study of the scriptures. B. a scientific and reasoned approach to faith. C. feelings and enthusiasm. D. returning to organized religions that had successfully dealt with public corruption.
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Updated 4/21/2016 8:26:28 PM
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For most people, the religious revival of the eighteenth century focused on returning to organized religions that had successfully dealt with public corruption.
Added 4/21/2016 8:26:28 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Andrew. [4/21/2016 10:49:33 PM]
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