# Mandy can get 100kg of corn cob for \$160 from Matt,on condition that she buys at least 100kg.From another supplier,she can buy 100kg or less for \$1/cob,or more than 100kg for \$0.60/cob.she gets \$5/kg of con cobs or \$1.25 for

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1. ### maths

Mandy can get 100kg of corn cob for \$160 from Matt,on condition that she buys at least 100kg.From another supplier,she can buy 100kg or less for \$1/cob,or more than 100kg for \$0.60/cob.she gets \$5/kg of con cobs or \$1.25 for an individual con cob.if she sell over 100kg today....
2. ### physical science

On the surface of the moon, where the acceleration due to gravity is about one-sixth that of Earth, a 100-kg astronaut would have a mass of_____ and a weight of _____ A. 100kg, 1000N B. 16.6kg, 166N C. 100kg, 166N D. 600kg, 1000N
3. ### physics

john and paul are trying to move a 100kg piano which is resulting on a flat, smooth floor. John pushing towards the North, while Paul is pushing towards the East. Both are exerting a 100N force. What is acceleration of the piano (magnitude and direction)? A=200/100=2m/s^2 ...
4. ### earth

Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L. The satellites fire rockets that provide the force needed to maintain a circular orbit around the space station. The ...
5. ### math

Farmer joe had 3 animals, he wanted to weight Lucy, Nancy and Sue. He only had a scale that started with 100kg. Now, as heavy as those animals were, none of them exceeded 100kg.so he weighted them in pairs. Lucy and Nancy weight 132 kg together and Sue and Lucy weight 137 kg ...
6. ### math

a fruit seller buys 100kg apple at the rate of rs 20 per /kg . He sold 40 kg at a loss of 7%.At what price should we sell the remaining apple to make a profit of 15% on the whole transaction ??
7. ### chemistry

conver 0.100Kg to g
8. ### chemistry

conver 0.100Kg to g
9. ### chemistry

conver 0.100Kg to g
10. ### maths

How to make a mini helicopter which can be lift around 100kg to 150 kg?
11. ### Phys

How many hp or horsepower does it take to lift a 100kg up 30.0m in 20sec?(1hp = 748W)
12. ### chemistry 20

4al+3o2 2al2o3 what volume of o2 do you need to use up 100kg Al at SATP
13. ### PHYSIC!!

How many hp or horsepower does it take to lift a 100kg up 30.0m in 20sec? (1hp = 748W)
14. ### value

a boy of mass 100kg moves with a velocity 8m/s calculate its kinetic energy
15. ### physics

what is the weight of a 100kg man on the moon with a gravitaional acceleration of 1.6m/s(squared)?
16. ### physical science

how much work is done on a 100kg crate that is hoisted 4 m in a time of 4 seconds
17. ### chemistry

How many moles of H2SO4 are required to produce 100kg of CaSO4 from CaCO3
18. ### physics

If an engine produces a (mass flow rate) of 100kg/s of thrust, what is the force in Newtons?
19. ### physics

suppose that the two person,each of mass 100kg are 3meter a part in outer space.what is the magnitude of the gravitational
20. ### Physics

A 100kg steel beam falls from rest from a height of 20m, Find its impact speed.
21. ### Biology immediate help! please!

Need help please don't understand these questions. Dihybrid Genetic Crosses for Corn. A. What are the two hypotheses that you made about the allelic frequencies of progeny produced by the crosses: P x P? P F1 x F1? F B. Based on what you know about phenotypes and Figure 2, for...
22. ### physics 11th class

Calculate the power of a crane in watts which lifts a man of 100kg to a height of 10m in 20sec
23. ### science(physics)

a car of mass 100kg travering at 36km/h is brought to rest over a distance of 40m.calculate(a)accelaration(b)the average abreaking force
24. ### physics

A 100kg crate has dimension of 0.5 m by 0.5 m by 0.5m . what pressure does the crate exert on the floor?
25. ### physics

Jake's momentum is 100kg*m/sec when he walks at 2 m/sec. What is his mass?
26. ### science

A 100kg animal walks up a hill 67.5m high. How much potential energy has the animal gained
27. ### Phyics

An engine raises 100kg of water through a height of 60m in 20sec. What is the power of the engine. (Take g=10m/s^2
28. ### physics

Two rocks sitting in the field are 200m apart. If the two rocks have a mass of 75Kg and 100Kg respectively, what is the gravitional force between them? Answer now pls!!
29. ### Mechanics

An aeroplane propeller has a 100kg and radius of gyration of 0.6cm.find its moment of inertia.How large a torque is required to give it angular acceleration of 20rad/sec^2
30. ### Mechanics

An aeroplane propeller has a 100kg and radius of gyration of 0.6cm.find its moment of inertia.How large a torque is required to give it angular acceleration of 20rad/sec^2
31. ### Mechanics

An aeroplane propeller has a 100kg and radius of gyration of 0.6cm.find its moment of inertia.How large a torque is required to give it angular acceleration of 20rad/sec^2
32. ### Mechanics

An areoplane propeller has a 100kg and radius of gyration of 0.6cm.find its moment of inertia.how large a torque is required to give it angular acceleration of 20rad/sec^2
33. ### Physics

A 100kg object moving at 20 m/s comes to a stop over distance of 40 m. What is the coefficient of dynamic fiction between the object and the ground? I tried to work it out with the formula, but I'm really confused. Please help.
34. ### physics

four uniform spheres, with masses MA= 100kg, MB= 650 kg, MC= 1800 kg, and MD = 100 kg, have (x,y) coordinates of (0, 50 cm), (O,O), (-80 cm, 0), and (40,0) respectively. What is the net gravitational force F2 on spere B due to the other spheres?
35. ### physics

A chain consisting of 5 links, each of mass 0.100kg is lifted vertically with a constant acceleration of 2.50 m/s^2. Calculate the force that link 2 exerts of link 1.
36. ### physics

What mechanical work must you do to lift a uniform log that is 3.3m long and has a mass of 100kg from the horizontal to a vertical position? [Hint: Use the work-energy principle.]
37. ### Physics

a mass of 100kg moves in a circular path of radius of 5cm with uniform speed of 20m/s.find the centripetal acceleration and centripetal force.
38. ### Physics

An automobile with a mass of 100kg is moving north on a level straight highway with a constant velocity of 80km/h. What is the unbalanced force acting on the automobile?
39. ### Physics

A dram of mass 100kg is rolled into the deck of long 1.5m above a horizontally floor using a plank 4m long.calculate the work done against gravity during the process [Take g=10ms'2]
40. ### physics

Leroy, who has a mass of 100kg , is skateboarding at 8.4m/s when he smacks into a brick wall and comes to a dead stop in 0.2 s. Find his deceleration. Find the force of impact. (ouch!)
41. ### Physics

A very strong 100kg man is having a tug-of-war with a 1500kg elephant. The coefficient of static friction for both on the ground is 0.9. Find the force that would be needed to move the elephant.
42. ### physics

A 100Kg stone is dragged 15m over a frozen lake. If the coefficient of friction between the stone and the ice is 0.1 and the whole process takes 8 seconds, how much work is done and how much power is required?
43. ### statistics

A crane is designed in such a way that it can lift a maximum load of 2750kg.Is the crane overload if the container is filled with 50 bags of cement 40kg each and 5 machine of average 100kg?
44. ### physics

a man is pulling a 100kg crate with a force of 250 newtons. the rope makes a downward angle of 30.0 degrees with the horizontal. if the crate is sliding at a constant rate, calulate the coefficient. ?? how do i do this??
45. ### physics

calculate the force of gravity between a newborn baby of mass 2.9kg and the obstertrician of mass 100kg, who is 0.48m from the baby.
46. ### physics

a motor pumps water from a depth 0f 6meters. f it pumps 100kg of water in one minute with a velocity of 10m/s. calculate the work done
47. ### Science

A 100kg block rests on a table. The area of contact between the block and the table is 4m2. Calculate the pressure.
48. ### 11 grade / physics

find the work by a body which is moving with a velocity of 10m/s and after covering some distance it has the velocity of 20m/s mass of the body 100kg
49. ### physic

A resultant force of 200N act on a body of mass 100kg for ss what is the impulse of the force on the body.
50. ### biology

Based on what you know about phenotypes and figure 2 for the p generation what is the corn plant genotype on each cob containing the P corn kernals
51. ### Emmert

An astronaut mass has a mass of 100kg She recedes from her spacecraft using spurts of gas from a small unit on her back. If the force generated by the gas spurt is 50N calculate her acceleration
52. ### physics

An applied force of 450N is needed to drag a 100kg crate at a constant speed across a horizontal rough floor. Calculate the coefficient of kinetic friction for the crate on the floor.
53. ### Intro to Physical Science

A diver (mass 100kg.)drops from a height of 12 meters and reaches the pool below at ground level. 3550 joules of heat energy are generated due to friction. With what speed will the diver hit the water?
54. ### physics

a car of mass 500kg is moving at 24m/s. A lion of mass 100kg drops on to the roof of the car from an overhanging branch. Show that the car will slow down to 20m/s.
55. ### Physics (density)

A boat made of wood (each piece 5cm in width) begins to sink. To Save yourself you grab a block made of the wood. Determine the area of it, making sure it will hold at least 100kg of weight without sinking.
56. ### Thermodynamics

2. Determine the quantity of heat required, to raise 11.100kg of water at 80.000 degrees Celsius, to saturated steam at 2250.000kPa and 71.400% dry. ANS = kJ Not sure where to start. I need a little help please. I do have a chart with the properties of saturated steam. Thank you.
57. ### Physics

2. Determine the quantity of heat required, to raise 11.100kg of water at 80.000 degrees Celsius, to saturated steam at 2250.000kPa and 71.400% dry. ANS = kJ Not sure where to start. I need a little help please. I do have a chart with the properties of saturated steam. Thank you.
58. ### Chemistry

Mr.drwls help me to check if my answer is c0rrect,tnx anyways, what is the mass of calcium carbonate is required to react with sulfur dioxide produced by burning 1000 kgs of coal that contain 5% sulfur by mass? (0.781 kmole)(100kg/mole)=78.1 kg
59. ### PHYSICS

a 100kg street light is supported equally by two ropes. one rope pulls up and to the right 40 degrees above the horizontal; the other pulls up and to the left 40 degrees . what is the tension of the rope?
60. ### physics

an aeroplane of mass 8000kg flying at 600km.h-1 fires a projectile of mass 100kg at a speed of 900 km.h-1. Calculate the velocity of the aeroplane after firing if the projectile was fired a)forward b) backward
61. ### physics

A block of mass m= 100kg rests on a level ground. With what force, parallel to the ground, must you push the block so that it is just ready to start sliding? The coefficient of static between the block and ground is 0.40.
62. ### Science Physics

I don't understand how I would know what would happen if it collided or bounced, etc. How do I solve a question like this? Suppose the total momentum of two masses before collision is 100kg m/s. What is the total momentum of the two masses after they collide? 0 kg m/s 50 k m/s...
63. ### Physics

An 100kg box is placed on the ramp. As one end on the ramp is raised the box begin to move down ward just as the angle of inclination reaches 15 degree . What the coeffenict of static friction between box and ramp .. ?
64. ### p i s j

The mass of fan astronaut is 100kg 1)find its weight on earth. 2)find its weight on moon. When the gravitational acceleration on moon is 1.6 ms
65. ### Physics for Life science

1. A block of mass m=100kg rests on a level ground. With what force, parallel to the ground, must you push the block so that it is just ready to start sliding? The coefficient of static friction between the block and the ground is 0.40.
66. ### Physics for Life science

1. A block of mass m=100kg rests on a level ground. With what force, parallel to the ground, must you push the block so that it is just ready to start sliding? The coefficient of static friction between the block and the ground is 0.40.
67. ### physics

The hour hand and the minute hand for the famous Parliament clock tower Big Ben in London are 2.7m and 4.5m long and have masses of 60kg and 100kg, respectively. Calculate the total torque due to weight of these hands about axis of rotation when the time reads (a) 3:00 (b) 5:...
68. ### Physics

What force must be exerted on block A in order for block b not to fall. The coefficient of static friction between block A and B is 0.55, and the horizontal surface is frictionless. A= 100kg and B=10kg A is on the horizontal surface and B is attached to A.
69. ### Phsics

What force must be exerted on block A in order for block b not to fall. The coefficient of static friction between block A and B is 0.55, and the horizontal surface is frictionless. A= 100kg and B=10kg A is on the horizontal surface and B is attached to A.
70. ### CHEMISTRYYYY HELP

A sample of gold ore contains 22.0 g of gold metal per 100kg of ore. If gold has a market value of \$350.00 per oz., what mass of ore, in tons, must be refined to get one million dollars worth of pure gold?
71. ### physics

a ring rotates ar 30rad/s and has a radius of 3m and a mass 0f 100kg. If a disk(mass=40kg and with a radius of 4m) is dropped on the ring so the centers are aligned, what will be the resulting rotational speed of the ring-disc combination?
72. ### science

A cannon, mass 500kg, fires a bullet, mass 100kg, horizontally so that the velocity of the bullet is 100m.s^-1 to the right. calculate the recoil velocity of the bullet
73. ### physics

Okay we have this problem: 50 kg mass traveling at 10 m/s strikes a 100kg mass at rest find the final velocity each....if... 1. it is elastic 2. if it isnt elastic i know for an elastic something has to be 100% like 100% of momentum is conserved. I don't know how to set up ...
74. ### Physics problem

An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of the friction between ...
75. ### Physics problem

An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of the friction between ...
76. ### Physics for understanding

Okay we have this problem: 50 kg mass traveling at 10 m/s strikes a 100kg mass at rest find the final velocity each....if... 1. it is elastic 2. if it isnt elastic i know for an elastic something has to be 100% like 100% of momentum is conserved. I don't know how to set up ...
77. ### Physics

A spring with k=1400N/m is firmly anchored to the bottom of a swimming pool. A diver in full SCUBA gear with total mass of 100kg and density of 0.65g/cm3 holds on to the top of the spring. The system reaches a new static equilibrium. After the print is elongated by a length ...
78. ### Science

I need to calcuted the molarity from this 12.5 g of ethylene glycol antifreeze dissolved in o.100kg of water. Density of solution is 1.0 g/mL I know molarity if mole of solute / L of solution. I am confused on how to find the L of solution. Do I add 12.5 and .100g to get the ...
79. ### Chem

I need to calcuted the molarity from this 12.5 g of ethylene glycol antifreeze dissolved in o.100kg of water. Density of solution is 1.0 g/mL I know molarity if mole of solute / L of solution. I am confused on how to find the L of solution. Do I add 12.5 and .100g to get the ...
80. ### physics

john and paul are trying to move a 100kg piano which is resulting on a flat, smooth floor. John pushing towards the North, while Paul is pushing towards the East. Both are exerting a 100N force. What is acceleration of the piano (magnitude and direction)? A=200/100=2m/s^2
81. ### physics

a shell of mass 0.020 kg is fired by a gun of mass 100kg.if the muzzle speed of the shell is 80m/s.what is the recoil speed of the gun
82. ### chemistry

A solution contains 5.00g of urea per 0.100kg of water (COCNH2)2 if the vapour pressure of pure water at 25°c is 23.7ton. What is the vapour pressure of the solution
83. ### science

An astronaut on a space walk bumps the shuttle and starts moving away at a velocity of 0.02m/s. The astronauts mass is 100kg. He has takes a 1kg "safety week" and shoves it away in exactly the direction of his motion at a speed of 6m/s. What speed does the astronaut move back ...
84. ### science

an astronaut on a space walk bumps the shuttle and starts moving away at a velocity of 0.02m/s. The astronauts mass is 100kg. He has takesa 1kr "safety week" and shoves it away in exactly the direction of his motion at a speed of 6m/s. what speed does the astronaut move back ...
85. ### Science

An astronaut on a space walk bumps the shuttle and starts moving away at a velocity of 0.02m/s. The astronauts mass is 100kg. He has takes a 1kg "safety week" and shoves it away in exactly the direction of his motion at a speed of 6m/s. What speed does the astronaut move back ...
86. ### physics

A lift is used to carry boxes to the top floor of a hotel 20m high.A total weight of 100kg of boxes was caried up in 20second.If the useful output of the engine driving the lift mechanism is 1.2 kilowatt.calculate the efficiency of the engine of the lift mechanism.
87. ### Physical science

An astronaut on a space walk bumps the shuttle and starts moving away at a velocity of 0.02m/s. The astronaut's mass is 100kg. He takes a 1kg "safety weight" and shoves it away in exactly the direction of his motion at a speed of 6m/s. at what speed does the astronaut move ...
88. ### Physical science

An astronaut on a space walk bumps the shuttle and starts moving away at a velocity of 0.02m/s. The astronaut's mass is 100kg. He takes a 1kg "safety weight" and shoves it away in exactly the direction of his motion at a speed of 6m/s. at what speed does the astronaut move ...
89. ### Physics

A 100kg mass is connected to a 200kg mass by a massless rope. The two masses rest on a frictionless surface. A (massless)rope is then attached to the 200kg mass, and is pulled. The two mass system accelerates. What is the relationship between the two tensions? _THANK YOU
90. ### physics

A children's merry-go-round in a park consists of a uniform 200kg disk rotating about a vertical axis. the radius of the disk is 6 m and a 100kg man is standing on the outer edge when the disk is rotating at a speed of 0.20rev/s. how fast will the disk be rotating if the man ...
91. ### Maths

A 73kg workers need to transport concrete bricks using a trolley to the construction area via an elevator. The trolley weighs 100kg while 5 concrete bricks weigh 330kg. If the elevator has a maximum capacity of 1500kg, how many bricks can the worker transport at one time?
92. ### Math

In each of the following, relationships among marked angles are given below the figure. Find the measures of the marked angles. DOC = 3/4m( COB = BOA = COB = m( COA = BOA =
93. ### Physics

5.A crate with a mass of 100kg accelerates with a magnitude of 2.0 m/s2 when it is pushed with a 250N. a.What is magnitude of the force of friction opposing this motion? b.What is the normal force of the crate? c.Using a and b, find the coefficient of friction. d.If the crate ...
94. ### science

Finishing his ginger ale, Ramesh stands at the party holding his insulated foam cup that has nothing in it but 0.100kg of ice at 0 degree celsius. How much heat must be gained by the ice in order for all of it to melt? How much more heat must be gained to raise the temperature...
95. ### college physics

two people are wearing harnesses and are hanging from the ceiling by means of ropes. they are face to face and push off eachother. person 1 has a mass of 100kg and person 2 a mass of 80 kg. after the push person 1 swings in an arc that causes hime to rise a height of .3 meters...
96. ### Science

you draw a 100kg sack of maize meal across the floor of a warehouse for the distance of 10m. You apply a force of 300N, directed at an angle of 30 degree to the floor. a) If the floor is frictionless, how much work do you do on the bag? b) If the coefficient of friction ...
97. ### Math

A juice concentrate containing 65% solids is added to a single-strength juice solution(containing 15% solid), in order to generate a final product which contains 45% solids. Calculate the amounts required for the concentrate and for the single strength solution to produce ...
98. ### Physics (Help)

1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam. ANS = % 2. Determine the quantity of heat required, to raise 11.100kg of water at 80.000 degrees Celsius, to saturated steam at 2250.000kPa and 71.400% dry. ANS = kJ ...
99. ### Physics Help

1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam. ANS = % 2. Determine the quantity of heat required, to raise 11.100kg of water at 80.000 degrees Celsius, to saturated steam at 2250.000kPa and 71.400% dry. ANS = kJ ...
100. ### Thermodynamics

1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam. ANS = % 2. Determine the quantity of heat required, to raise 11.100kg of water at 80.000 degrees Celsius, to saturated steam at 2250.000kPa and 71.400% dry. ANS = kJ ...