1. physics

    A body of specific gravity 3.0 is immersed in water. What is the minimum force required to pull it out at velocity 2

    asked by divya on July 25, 2011
  2. science

    When a body hanging form a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its water ? (1) what is the weight of the body in water? (2) what is the weight of the body in air? (3) what is the upthrust on

    asked by parag on July 20, 2016
  3. scince

    When a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its weight (i) What is the weight of the body in water? (ii) What is the weight of the body in air? (iii) What is the upthrust

    asked by upendra on November 29, 2015
  4. science and technology

    whn a body hanging frm a spring balance is immersed in water it floats in water just below the surface of water & shows 100g loss in its weight 1-wht is thw weight of body in water? 2-wht is thw weight of body in air 3-wht is upthrust on the body? 4-wht is

    asked by raman on January 8, 2016
  5. physics

    whn a body hanging frm a spring balance is immersed in water it floats in water just below the surface of water & shows 100g loss in its weight 1-wht is thw weight of body in water? 2-wht is thw weight of body in air 3-wht is upthrust on the body? 4-wht is

    asked by Riya sood on September 17, 2015
  6. pharmaceutical calculations

    1. A chemical crystal weighs 3.630 grams in air and 1.820 grams when immersed in an oil. If the specific gravity of the oil is 0.837, what is the specific gravity of the chemical? 2. A piece of wax weighs 42.65 grams in air, and a sinker weighs 38.42 grams

    asked by eliza on February 1, 2012
  7. physics

    When a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100g loss in its weight (I) what is the weight of the body in water? (Ii) what is the weight of the body in air? (Iii) what is the up thrust

    asked by farheen fathima on December 6, 2015
  8. physics

    can u solve this question? When a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100g loss in its weight: 1. What is the weight of the body in water , air , upthrust on the body and what is the

    asked by samar on May 5, 2016
  9. SCIENCE PHYSICS

    WHEN a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its weight then what is the weight of the body in water,in air,what is upthrust on the body what is the volume of tne body.

    asked by Junaid Shaikh on December 20, 2015
  10. Science

    24.62 g of nickel heated and then immersed in 200ml of water. the temperature of the water rose 22.50c to 32.20c.The specific heat of NI is .470J/g*C. What is the temperature of the Ni before it is immersed in the water?

    asked by Me on October 10, 2012
  11. science & technology

    when a body immersed in water from spring balance and shows 100gm weight loss. what is the weight of the body in water? 2)what is the weight of the body in air? 3)what is the upthurst on the body? 4) what is the volume of the body? give reason

    asked by devtanu on January 27, 2016
  12. Physics - Torque

    Consider a rectangular block of mass 30kg, height= 3m, length = 2m. A force F is applied horizontally at the upper edge. The acceleration of gravity is 9.8 m/s^2. 1)What is the minimum force required to start to TIP the block? 2)What is the minimum

    asked by Belle on April 22, 2007
  13. physics

    An object with 15 grams mass is immersed in benzene and suffers an apparent loss of mass 5g What is the approximate specific gravity of the object? (specific gravity of benzene = 0.7)

    asked by Anonymous on June 20, 2011
  14. Science- physics

    An iron anchor weighs 250 pounds in air and has a weight density of 480 lbs/ft3. If it is immersed in sea water that has a weight density of 64 lbs/ft3, how much force would be required to lift it while immersed? I know the answer is 217 pounds but I need

    asked by Hannah on October 23, 2011
  15. physics

    a 65kg person dives into the water from the 10m platform. she comes to a stop 2m below the surface of the water. what net force did the water exert on the swimmer? so for the net force i got -2548N i know: vf^2=vi^2 + 2ad vf^2 = 0 + 2(9.8)(10) vf^2 = 196

    asked by eric on February 6, 2014
  16. Physical science

    A force t=312n up and incline is reward to keep a body at rest on a fritionless inclined plane which make an angle of 35degress with horizontal. Draw a force diagram and label all the force acting on a body. Calculate the magnitude of the force due to

    asked by Thulaganyo on February 24, 2015
  17. Physics

    In one of your rigorous workout sessions, you lost 140 g of water through evaporation. Assume that the amount of work done by your body was 3.8 105 J and that the heat required to evaporate the water came from your body. (a) Find the loss in internal

    asked by Anonymous on December 8, 2014
  18. Physics

    A body of mass 7.5kg is to be pulled up along a plane which is inclined at 30degree to the horizontal. If the efficiency of the plane is 75%,what is the minimum force required to pull the body up the plane?

    asked by Angela on January 19, 2016
  19. Physics...please help me out..

    A body of mass 7.5kg is to be pulled up along a plane which is inclined at 30degree to the horizontal. If the efficiency of the plane is 75 %, what is the minimum force required to pull the body up the plane?

    asked by Angela on January 20, 2016
  20. physics

    Given that the tank is shaped like a right circular cylinder with a height of 30 m and with a base radius of 10m. The tank is attached to a steel cable of negligible mass and immersed in water. Calculate the tension (force) in the cable before and after it

    asked by teresa on January 26, 2012
  21. physics

    A solid aluminum ingot weighs 88.0 N in air.What is its volume?The ingot is suspended from a rope and totally immersed in water. What is the tension in the rope (the apparent weight of the ingot in water)? To find the volume would i do density/specific

    asked by kate on March 1, 2009
  22. physics

    What percentage of a floating iceberg’s volume is above water? The specific gravity of ice is 0.917 and the specific gravity of the surrounding seawater is 1.025.

    asked by James on December 13, 2009
  23. CHEMISTRY

    *Specific Gravity A cylinder of plastic is 100 mm long and 50 mm in diameter. It has a mass of 1 kg. Determine its specific gravity and indicate whether it would float or sink in water . PLLEEEEEEEEEEEASE

    asked by Myka on July 3, 2013
  24. Physics: Fluids

    A sample of an unknown material weighs 260 N in air and 175 N when immersed in alcohol of specific gravity 0.700.

    asked by B.Ha on December 2, 2010
  25. AP Physics B

    I have one our part question left that I just don't understand! Please help me!! Part 1 An 11.6 kg block of metal is suspended from a scale and immersed in water as in the figure. The dimensions of the block are 12.9 cm × 9.7 cm × 9.7 cm. The 12.9 cm

    asked by Taylor on January 15, 2013
  26. physics

    a 2.0 kg solid mass has an apparent weight 12.34N when totally immersed in water. Calculate the apparent weight of the body when totally immersed in a liquid of density 0.78

    asked by jay on December 3, 2015
  27. Physics

    A body weighs 60g in air and 40g in water . the specific gravity 100g in air

    asked by Banajyotsna on January 28, 2016
  28. PHYSICS - VERYYYY IMPORTANT!!!

    VERY IMPORTANT FOR A PHYSICS PRESENTATION.. PLEASE HELP & EXPLAIN CLEARLY??? THANKS SO MUCH! (a) why is the centripetal force neede to keep a body moving in a circular path? (b) In what direction does a centripetal force accelerate the body on whic it

    asked by Silvia on January 14, 2007
  29. L.A.-Check Answer

    According to "Life Without Gravity" why can astronauts' muscles become weak? a. Without gravity, the blood is rerouted from the legs to the head. b. Without gravity, the body "grows" as much as several inches. c. Without gravity, eating is difficult, so

    asked by Dani on October 12, 2016
  30. physics

    a body is allowed to slide down a frictionless track from rest under gravity . The track end in a circular loop of diameter D . What should be the minimum height of the body in terms of D so that the body successfully complete the loop.

    asked by Palak on December 30, 2016
  31. College Physics- buoyancy problem

    To an order of magnitude, how many helium-filled toy balloons would be required to lift you? Because helium is an irreplaceable resource, develop a theoretical answer rather than an experimental answer. Assume that you have a mass of approximately 70 kg,

    asked by Dumb Student on November 22, 2015
  32. Physics-science

    A block of wood has a mass of 3.6kg and specific gravity of 0.6. It is to be loaded with lead of density of 11300 kg per cubic metre so that it floats in water with 0.90 of its volume immersed. What mass of lead is needed? (a) if the lead is on top of the

    asked by KAZIN BONNY on January 2, 2016
  33. Pysics

    A wooden bucket filled with water has a mass of 59 kg and is attached to a rope that is wound around a cylinder with a radius of 0.071 m. A crank with a turning radius of 0.29 m is attached to the end of the cylinder. What minimum force directed

    asked by joshua on December 7, 2012
  34. physics

    If 4.5 L of antifreeze solution (specific gravity = 0.80) is added to 4.5 L of water to make a 9 L mixture, what is the specific gravity of the mixture?

    asked by Anonymous on April 2, 2011
  35. Physics

    A hydrometer is an instrument for measuring the specific gravity of a liquid. For example, producers of maple syrup use the hydrometer to find how much sugar is in the collected sap. Markings along a stem are calibrated to indicate the specific gravity for

    asked by MJ on January 26, 2011
  36. Physics

    A body of mass m falls from rest through the air. A drag force D = bv^2 opposes the the motion of the body. The acceleration due to gravity is g. A) What is the initial downward acceleration of the body? B) After some time the speed of the body approaches

    asked by Lauren on February 6, 2016
  37. Pharmacy (Specific gravity of mixtures)

    If a pharmacist mixed 1 pint of propylene glycol having a specific gravity of 1.20 with 500 mL of water, how many milliliters additional propylene glycol should be added to change the specific gravity to 1.15? Please help with how to do this problem. I've

    asked by Anonymous on May 20, 2016
  38. Chemistry

    An object made of aluminum has a mass of 8.37g. When it was placed in a graduated cylinder containing 20.0mL, the water level rose to 23.1mL. Calculate the density and the specific gravity of the object. For the density I got 2.7g/mL, and for specific

    asked by Eric on September 18, 2010
  39. physics

    If the average gauge pressure in the vein is 14400 Pa, what must be the minimum height of the bag in order to infuse glucose into the vein? Assume that the specific gravity of the solution is 1.05. The acceleration of gravity is 9.8 m/s

    asked by andre on November 6, 2014
  40. Physics HELP!

    At what minimum speed must a roller coaster be traveling when upside down at the top of a circle if the passengers are not to fall out? I'm having trouble understanding what it means by minimum speed. I know that at the top there are two forces, the force

    asked by James on December 25, 2010
  41. physics

    An electric heater used to boil small amounts of water consists of a 25-Ω coil that is immersed directly in the water. It operates from a 60-V socket. How much time is required for this heater to raise the temperature of 0.50 kg of water from 29° C to

    asked by Dee on January 27, 2014
  42. Physics

    A storage tank of negligible mass and 30m high is filled with gasoline. Please calculate the following. Use density values found in the book. a) The gauge pressure and absolute pressure at the bottom of the tank. b) The force that acts on a square access

    asked by Kati on December 9, 2015
  43. chemistry

    which of the following must be known precisely for the specific heat to be accurate. Answer a. the mass of the water in the calorimeter b. the temperature of the metal shot before it is immersed in the boiling water c. the mass of the boiling water

    asked by alex on October 25, 2010
  44. Physics

    A body is allowed to slide down a frictionless track freely under gravity.The track ends in a semicircular shaped part of diameter d.What should be the height(minimum) from which the body must fall so that it completes the circle?

    asked by S.U. on May 9, 2014
  45. Physics, almost have it!

    In a physics lab experiment, a student immersed 205 one-cent coins (each having a mass of 3.00 g *.003kg) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.244 kg of water at 20.0 C in an

    asked by Tia on December 4, 2007
  46. PHysics-almost complete!

    In a physics lab experiment, a student immersed 205 one-cent coins (each having a mass of 3.00 g *.003kg) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.244 kg of water at 20.0 C in an

    asked by Tia on December 4, 2007
  47. physical science

    The force of gravity acting on a body is 675 newtons. find the mass of the body to the nearest kilograms.

    asked by Anonymous on May 20, 2015
  48. pysics

    A 50.0-kg child stands at the rim of a merry-go-round of radius 1.65 m, rotating with an angular speed of 3.00 rad/s. (a) What is the child's centripetal acceleration? m/s2 (b) What is the minimum force between her feet and the floor of the carousel that

    asked by jojo on March 25, 2016
  49. Physics

    A sample of an unknown material appears to weigh 275 N in air and 160 N when immersed in alcohol of specific gravity 0.700. What is the volume of the material? What is the density of the material?

    asked by Caitlin on October 28, 2013
  50. Physics Help Please

    A sample of an unknown material appears to weigh 270 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? (b) What is the density of the material?

    asked by A on November 12, 2010
  51. Chemistry

    How many ml of HCl required to prepare 5% of HCl solution in 750ml water.if HCl is 36% pure and specific gravity is 1.18g/ml?

    asked by Abdul on March 31, 2017
  52. Chem

    determine the final temperature of a system after 100.0g of zinc ( specific heat .3876 J/g c) at 95.0 C is immersed into 50.0 g of water at 15.C

    asked by Cece on March 4, 2012
  53. physics

    when an aluminim is immersed in water it displaces 5 kg of water .how is the bouyant force acting on the aluminium object in newtons?(g=10m/s)

    asked by junaid on February 24, 2015
  54. physics

    Calculate the energy required to vapourise 50g of water Initially at 80¡ãC if the specific heat capacity of water is 4.2 J/g.k. (specific latent heat of vapourisation of water is 2260 J/g)

    asked by Francis on July 31, 2014
  55. Chemistry

    22.) The molar heats of fusion and vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol, respectively, and the specific heat capacity of liquid water is 4.18 J/gC. (1) What quantity of heat is required to melt 25.0 g of ice at 0C? (2) What quantity of

    asked by Adriana on March 5, 2013
  56. physis

    (1) A solid weight 0.04 Newton in air and 0.024 newton when fully immersed in liquid of density 300 kilogram per metre cube.What is the volume of the solid? (2)The density of a body is 5*10^3 kilogram per metre cube and it weights 1 newton in air

    asked by Daniel on October 23, 2016
  57. Physics

    he weight of the block in the drawing is 77.0 N. The coefficient of static friction between the block and the vertical wall is 0.490. (a) What minimum magnitude of the force is required to prevent the block from sliding down the wall? (Hint: The static

    asked by Samantha on November 7, 2013
  58. Physics

    I got two questions Three blocks on a fricitonless horizontal surface are in contact with each other a force F is applied to block 1 mass m1 Draw a free body diagram for each block ok done the accelration of the system (in terms of m1, m2, and m3) ok done

    asked by Physics on July 12, 2009
  59. Chemistry Dr. Bob

    I need help on my chem lab... I need to give you background info so you know how to help me.. Data Sheet: Specific gravity of distilled water Temp of distilled water = 20 C Specific gravity: 1.0000 or 1.000 (according to hydrometer used) sugar solution 1 :

    asked by Jennie on April 30, 2015
  60. Chemistry

    I need help on my chem lab... I need to give you background info so you know how to help me.. Data Sheet: Specific gravity of distilled water Temp of distilled water = 20 C Specific gravity: 1.0000 or 1.000 (according to hydrometer used) sugar solution 1 :

    asked by Jennie on April 30, 2015
  61. Chemistry

    I need help on my chem lab... I need to give you background info so you know how to help me.. Data Sheet: Specific gravity of distilled water Temp of distilled water = 20 C Specific gravity: 1.0000 or 1.000 (according to hydrometer used) sugar solution 1 :

    asked by Jennie on April 30, 2015
  62. physics

    An aluminum plate of mass 0.1 kg at 95oC is immersed in 0.5 litre of water at 20oC kept inside an insulating container and is then removed. If the temperature of the water is found to be 23oC, then the temperature of the aluminum plate is ___________ oC.

    asked by Rohan on June 2, 2016
  63. Physics

    A body of volume hundred centimetre cube is immersed completely in water contained in a jar containing water. the weight of the jar and the water before immersion was 700 grams. After immersion weight of the jar and the water will be

    asked by Vidhi on July 27, 2016
  64. Physics

    Q.1:When a force is applied to a body,several effects are possible.Which of the folloeing could NOT occur? a.The body speeds up. b.The body rotates. c.The mass of the body decreases. d.The body changes direction. e.The body remains as it was. Force does

    asked by Candy on April 14, 2007
  65. physics

    The 850 kg piano is being pushed across the floor with an applied force of 283 N [forward] and a force of friction of 271 N [backwards]. If the normal force balances the force of gravity, draw a free body diagram for the piano.

    asked by iyzi on October 13, 2013
  66. Chem

    How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that the specific heat of water is 4.184 J/g.oC over the entire liquid range, that the specific heat of steam is 1.99 J/g.oC, and the

    asked by Dan on February 4, 2012
  67. Chemistry

    How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that the specific heat of water is 4.184 J/g.oC over the entire liquid range, that the specific heat of steam is 1.99 J/g.oC, and the

    asked by Jimmy on September 16, 2008
  68. physics

    What is the minimum speed required to simulate artificial gravity?

    asked by grey on June 5, 2014
  69. physics

    A sample of an unknown material appears to weigh 285 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? Answer is in m3 (b) What is the density of the material? Answer is in kg/m3

    asked by caitlin on October 27, 2011
  70. Science

    Can someone tell me if this is correct: How many forces act on an upwardly tossed coin when it gets to the top of its path? A. one the force due to gravity B. two gravity & the force in the coin itself C. three gravity the coins internal force & a

    asked by Sue on September 21, 2012
  71. physics

    A glass cylinder with a diameter 12 cm has initial water level at 120 cm. When a ball is totally immersed in it,the water level rises to 135 cm. What is the volume of the ball immersed?

    asked by aiminath on February 3, 2017
  72. physics

    A glass cylinder with A diameter 12 cm has initial water level at 120 cm. When a ball I totally immersed in it,the water level rises to 135 cm. What is the volume of the ball immersed?

    asked by aiminath on February 3, 2017
  73. science

    Calculate the energy required to vaporize 50g of water initially at 80¡ãC. ( specific heat capacity of water- 12jgk, specific heat of vaporization- 220jk

    asked by Elvis on July 7, 2015
  74. science

    a body of moss4kg moving with a uniform velocity30m/s is brought to rest in 6sec . find the force required to stop body.

    asked by Anonymous on August 18, 2017
  75. Physics

    A hydrometer has a weighed bulb of volume 30cm3 and a uniform cross sectional area of 1cm3. When floating in water 3cm of the stem is immersed. What is the length of the stem when immersed in water when the hydrometer floats in the liquid of density

    asked by Emeka on September 27, 2016
  76. PHYSICS!

    A 8.52 -kg block of metal is suspended from a scale and immersed in water as in Figure P9.30. The dimensions of the block are 12.0 cm x 10.0 cm x 10.0 cm. The 12.0-cm dimension is vertical, and the top of the block is 9.0 cm below the surface of the water.

    asked by Emily on October 28, 2012
  77. PHYSICS!

    A 8.52 -kg block of metal is suspended from a scale and immersed in water as in Figure P9.30. The dimensions of the block are 12.0 cm x 10.0 cm x 10.0 cm. The 12.0-cm dimension is vertical, and the top of the block is 9.0 cm below the surface of the water.

    asked by EMM on October 28, 2012
  78. physics

    Pleaseee help explain how to draw the free body diagrams for this problem!!! Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure (in the figure the 79.3kg block(m2) is on a flat surface, the 10.9kg(m1) block is pinned against the

    asked by dave on November 9, 2011
  79. Physics

    An aluminum cylinder with a density of 2.70 g/cm3 has a volume of 3.8 ¡¿ 10-5 m3. If the cylinder is suspended from a scale and immersed in an unknown fluid, the scale reads 0.581 N? What is the specific gravity of the fluid?

    asked by David on November 23, 2010
  80. physics

    A thermometer of mass 0.0550 kg and of specific heat 0.837 kJ/kg•K reads 15.0°C. It is then completely immersed in 0.300 kg of water, and it comes to the same final temperature as the water. If the thermometer reads 44.0 °C, what was the temperature of

    asked by chx on January 23, 2012
  81. thermodynamics

    A thermometer of mass 0.0550 kg and of specific heat 0.837 kJ/kg•K reads 15.0°C. It is then completely immersed in 0.300 kg of water, and it comes to the same final temperature as the water. If the thermometer reads 44.0 °C, what was the temperature of

    asked by chx on January 23, 2012
  82. science

    Compound B is provided as a solution and has a specific gravity of 0.65 (Specific gravity is the weight in grams per mL of solution) and is known to be 90% pure (each gram of compound B solution only contains 90% Compound B and 10% of degradation

    asked by jake on December 9, 2011
  83. chemistry

    4. Compound B is provided as a solution and has a specific gravity of 0.65 (Specific gravity is the weight in grams per mL of solution) and is known to be 90% pure (each gram of compound B solution only contains 90% Compound B and 10% of degradation

    asked by jenny on December 8, 2011
  84. chemistry

    4. Compound B is provided as a solution and has a specific gravity of 0.65 (Specific gravity is the weight in grams per mL of solution) and is known to be 90% pure (each gram of compound B solution only contains 90% Compound B and 10% of degradation

    asked by jenny on December 8, 2011
  85. Physics please check repost

    In exercising, a weight lifter loses 0.100 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. The work done in lifting weights is 1.30 x 10^5 J. (a) Assuming that the latent heat of vaporization

    asked by Mary on April 19, 2007
  86. Physics

    a. 2 objects each of mass 200 kg and 500 kg are separated by 50 cm. Where body of mass 20 kg should be placed so that the resultant force of gravity experienced by objects equal to zero? b. launched a rocket leaving Earth. Known radius of the earth 6.4 x

    asked by steffy Jane on May 6, 2013
  87. Physics

    In a physics experiment, Wendy immersed a copper of mass 300g in 100 degree C in boiling water and left it there for several minutes. She then transferred the cube to 0.2 kg of water at 10 degrees C. The final temperature of the mixture was 21 degrees C.

    asked by Samantha Chow on April 18, 2010
  88. Chemistry

    which of the following quantities is not required to calculate the amount of heat energy required to heat water from 25^OC to 55^OC? A-the mass of water sample. B-the initial temp. C-the heat of vaporization for water. D-the final temp. E-the specific heat

    asked by John Height on July 15, 2011
  89. Physics

    A body of volume hundred centimetre cube is completely immersed in a jar containing water. The weight of the jar and the water before immersion was 700. After immersion weight of jar and water will be

    asked by Vidhi on July 27, 2016
  90. Science

    Compare and contrast how different electrolytes-sodium, potassium, and chloride function in the body. Why is water essential to health maintenance? What are the functions of water in the body? What happens to the body when it does not get the water it

    asked by Sherri on March 1, 2008
  91. SCI

    Why is water essential to health maintenance? o What are the functions of water in the body? o What happens to the body when it does not get the water it needs? o Compare and contrast how different electrolytes—sodium, potassium, and chloride—function

    asked by Dawn on April 28, 2008
  92. HELP

    Why is water essential to health maintenance? o What are the functions of water in the body? o What happens to the body when it does not get the water it needs? o Compare and contrast how different electrolytes—sodium, potassium, and chloride—function

    asked by Dawn on April 27, 2008
  93. Chemistry

    When 10.00g of phosphorus is burned in O2(g) to form P4O10(s), enough heat is generated to raise the temperature of 2990g of water from 18.0 ∘C to 38.0 ∘C. Calculate the heat of formation of P4O10(s) under these conditions.

    asked by John on February 25, 2014
  94. Physics

    A 170 N block rests on a table.The suspended mass has a weight of 52N. What is the magnitude of the minimum force of static friction required to hold both blocks at rest? What minimum coefficient of static friction is required to ensure that both blocks

    asked by Siany on September 29, 2017
  95. Intro to Physics

    A sample of an unknown material appears to weigh 295 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? ___________m^3 (b) What is the density of the material? ____________ kg/m3 I am getting the

    asked by Amy on November 7, 2012
  96. Chemistry

    1. The temperature of two substances with the same mass increases by 20 degrees Celsius. Which absorbs the most energy, the substance with the higher or lower specific heat? Explain 2. The human body is approximately 60% water. Explain how this high

    asked by Tiffany on October 21, 2014
  97. Chemistry

    1. The temperature of two substances with the same mass increases by 20 degrees Celsius. Which absorbs the most energy, the substance with the higher or lower specific heat? Explain 2. The human body is approximately 60% water. Explain how this high

    asked by Stephanie on October 21, 2014
  98. Physics (BioPhysics)

    You are bending your upper body forward, while your legs remain perfectly straight and their center of gravity remains over the back of your feet (see cartoon below). What is the maximum angle  you can lean forward by without tipping over? Assume that

    asked by Phillip on February 15, 2015
  99. Eligugu high school science

    5 kg of steel is immersed in water at 2 degrees Celsius. what mass of water is required if the final temperature is 40 degrees Celsius?

    asked by Mandla on October 4, 2015
  100. physics

    Problem 2: A body A of mass m = 1Kg and a body B of mass M = 4Kg are interconnected by a spring as shown in figure below. The body A performs free vertical harmonic oscillation with amplitude a = 1.6 cm and frequency ω= 25/s. Neglecting the mass of

    asked by nino on October 22, 2011

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