Two planes are about to drop an empty fuel tank. At the moment of release each plane has the same speed of 135 m/s, and each tank is at the same height of around 2.00km above the ground. Although the

10,903 results
  1. Algebra

    1.A motorcycle has a reserved fuel of 0.5 liter which can be used if it's 3-liter fuel tank is about to be emptied. The motorcycle consumes at most 0.5 liter fuel for every 20 km of travel. a. What mathematical statement represents the amount of fuel that

  2. Math

    Jan's gas tank is nearly empty, at 1\12 full. She doesn't have enough cash to fill the tank, but she adds enough gas to reach 2\3 full. How much gas did she add, as a fraction of the tank?

  3. algebra

    Suppose that the weight (in pounds) of an airplane is a linear function of the total amount of fuel (in gallons) in its tank. When graphed, the function gives a line with a slope of 6.2. With 52 gallons of fuel in its tank, the airplane has a weight of

  4. algebra 1

    Harold's car has a fuel tank with 12 gallons of fuel in it. The fuel efficiency of Harold's car is 25 miles per gallon. Write an equation to represent the amount of fuel remaining, f, in Harold's car after driving m miles.

  5. solid mensuration

    A cylindrical tank with flat ends has a diameter of two meters and is 5meters long. It is filled with fuel to a depth of one and one-half meters. Find the volume of the fuel in the tank in liters. plsss help!!

  6. Physics

    Two planes are about to drop an empty fuel tank. At the moment of release each plane has the same speed of 135 m/s, and each tank is at the same height of around 2.00km above the ground. Although the speeds are the same, the velocities are different at the

  7. Physics Help!

    An automobile fuel tank is filled to the brim with 45.3 liters (12.1 gallon) of gasoline at 14.5 degrees C. Immediately afterward, the vehicle is parked in the Sun, where the temperature is 34.5 degrees C. How much gasoline (in Liter) overflows from the

  8. math

    an empty rectangle tank with a base area of 2400 cm^2 is filed with water from 2 taps. one tap can fill the tank with 12L of water per minute, while the other tap can do it at 3l less perminute. (A) what will be the depth of water in the tank after both

  9. CALCULUS

    Water is draining from a small cylindrical tank into a larger one below it. The small cylindrical tank has a radius of 4 feet and a height of 6 feet; the large cylindrical tank has a radius of 8 feet and a height of 16 feet. The small tank is initially

  10. Language Arts

    Read the excerpt from Team Moon. The heavier the spacecraft, the harder it is to launch. And fuel is heavy. So it was critical to pinpoint the fuel needed, add a cushion, then take no more than necessary. But now, because the landing was taking far longer

  11. Algebra

    ) An inlet pipe can fill an empty tank in 5 hours by itself, and an outlet pipe can drain the same tank when full in 7 hours by itself. If the tank is two-thirds full when the valves for both pipes are opened, how many minutes will it take to fill the

  12. maths

    .A leak in the bottom of a tank can empty the full tank in 4hours.An inlet pipe fills water at the rate of 5lit a minute.When the tank is full, the inlet is opened and due to the leak,the tank is empty in 6 hours. How many litres does the tank hold?

  13. Physics

    The drawing shows two planes each dropping an empty fuel tank. At the moment of release each plane has the same speed of 173 m/s, and each tank is at the same height of 2.75 km above the ground. Although the speeds are the same, the velocities are

  14. math

    A pilot estimates that 5/8 of the fuelin the planes tank will be used when the plane reaches its destination. The tank contained 42,300 gallons at take-off. How much fuel does the pilot expect to use?

  15. Math

    The empty gas tank of the truck needs to be completely filled. The tank is shaped like a cylinder that is 4 feet long with a diameter of 2.4 feet. Suppose gas is poured into the tank at a rate of 1.7 thirds of a foot per minute. How many minutes does it

  16. Chemistry 101

    The mileage for a motorcycle with a fuel tank capacity of 22 liters is 35 miles per gallon. The density of gasoline is 0.74 g/cm^3.(dimensional analysis problem) a). How long a trip, in KM can be made on a full tank of gasoline? b). if the price of

  17. math

    a water tank is a cubiod with dimensions 40cm by 90cm by 70 cm. the tank is initially empty and is then filled with water which flows from a pipe of cross sectional area 1.2 sqcm at a speed of 3.5m/s. calculate the timein minutes that it takes to fill the

  18. math

    Ben placed a stone in an empty rectangular tank, 50cm long and 40cm wide. He then filled the tank with water flowing from a tap at a rate of 10 liters per minute. it took 3 min to fill the tank to a depth of 18cm to cover the stone completely. Find the

  19. Math

    A satellite launch rocket has a cylindrical fuel tank. The fuel tank can hold V cubic meters of fuel. If the tank measures d meters across, what is the height of the tank in meters?

  20. Calculus

    a water tank is created by revolving the graph y=1/x about the y-axis, with the bottom of the tank at y=1. the volume of the tank is given by [v(h) = the integral from 1 to h of (pi/y^2)dy] where h is the height of the water in the tank. Initially, the

  21. Algebra

    A tank is drained by two pipes.One pipe can empty the tank in 30minutes,and the can empty it in 25minutes.If the tank is 5/6 filled and both pipes are opened,in what time will the tank be emptied

  22. value

    two taps F And E are connected to a water tank.tap F can fill the tank in 2hours while E can empty it in 3hours.one day when the tank was a third full of water, the taps were opened at the same time.how long did it take to fill the tank?

  23. english

    is the adjective in this sentence empty: the car's gas tank is empty

  24. math

    Keo's model airplane uses 0.03L of fuel each minute it flies. If the fuel tank holds 0.5L,how long can the plane fly without refueling?

  25. Math

    A bus driver filled up 7/8 fuel tank for a trip. She used 6/7 of the fuel by the end of the trip. the capacity of her tank is 70 gallons. How much fuel did she use for the trip? Express your answer as decimal. Please help BJ Thank you

  26. math

    A tank, with a rectangular base and having vertical sides of height 4 m, is initially full of water. The water leaks out of a small hole in the horizontal base of the tank at a rate which, at any instant, is proportional to the square root of the depth of

  27. math

    Water is pumped into a cylindrical tank, standing vertically, at a decreasing rate given at time minutes r(t) = 130 - 10t ft^3/min for 0≤t≤5.The tank has radius 6 ft and is empty when t=0. Find the depth of the gasoline in the tank at t=3.

  28. maths

    a tank is 3/5 empty when 26 liters of water added it becomes 12/17 full what is capacity of tank

  29. Algebra

    A water tank can be filled by an inlet pipe in 6 hours. It takes 3 times as long for the outlet pipe to empty the tank. How long will it take to fill the tank if both pipes are open?

  30. mathematics

    The heavier the spacecraft, the harder it is to launch. And fuel is heavy. So it was critical to pinpoint the fuel needed, add a cushion, then take no more than necessary. But now, because the landing was taking far longer than planned, the fuel was almost

  31. college algebra

    an inlet pipe can fill a large water tank in 3 hours. an outlet pipe can empty the same tank in 5 hours. given an empty tank, at 8pm, activate both pipes. what time on the clock will it be before the tank is completely filled?

  32. Math

    A fuel storage tank is in the shape of an equilateral triangular prism. The prism is 8 feet high and 10 feet long. When the tank is half-full, the depth of the fuel is what? note: I know the only way to find the depth is to cut the triangle in half

  33. maths

    1)a linear function is represented by f(x)=2x+7 which of the following functions would be parallel to that of the function above a)f(x)=2x-7 b)f(x)=x+7 c)f(x)=x-7 d)f(x)=-1/2x+7 e)f(x)=-1/2x-7 I choose b 2)water is pumped into an empty tank at a constant

  34. Math

    The graph shows the relationship between the number of gallons of fuel remaining in the tank of a semitruck and the number of miles traveled by the semitruck. Which function can be used to find y, the number of gallons of fuel remaining in the tank of the

  35. Physics

    he drawing shows two planes each dropping an empty fuel tank. At the moment of release each plane has the same speed of 185 m/s, and each tank is at the same height of 3.62 km above the ground. Although the speeds are the same, the velocities are different

  36. Algebra

    A single-engine airplane carries enough fuel for an 8-hour flight. After the airplane has been flying for 1 h, the fuel tank begins to leak at a rate that would empty the tank in 12 h. How long after the leak begins does the plane have until it runs out of

  37. MISSION

    A satellite launch rocket has a cylindrical fuel tank. The fuel tank can hold V cubic meters of fuel. If the tank measures d meters across, what is the height of the tank in meters?

  38. Calculus

    Fuel is flowing into a storage tank which can be filled to a depth of 6 metres. When the fuel started flowing the tank was already filled to a depth of 2.5m. If the rate at which the depth of fuel in the tank is increasing, in metres per hour is given by

  39. Calculus

    An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is  = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full.

  40. maths

    a hemispherical tank full of water is emptied by a pipe at the rate of 25/7 litres/second.How much time will it take to make the tank half empty,if the tank is 3 metres in diameter?

  41. Can you help me?

    Sandeep filled water in 4/7 of an empty tank. Ramakat filled 1/4 past of the same tank. Then Umesh used 3/14 past of tank to water garden & the tank has maximum capacity of 560 liters, how much water is left in the tank now?

  42. physics

    Two planes of the same mass collide head-on and becomes tangled so that they move on together. If the engines of both were stopped at the moment of impact and the speeds of the planes at impact were 120m/s and 200 m/s, find the joint velocity immediately

  43. Algebra

    Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, how long will it take to fill the tank from empty to full?

  44. math

    at 10:00 AM pipe A began to fill an empty storage tank. At noon, pipe A failed and was closed. Pipe B was used to finish filling the tank. If pipe A needs 6 hours to fill the tank alone and pipe B needs 8 hours, at what time was the tank full?

  45. Chemistry

    Hydrogen holds promise as an environment friendly fuel. How many grams of H2 gas are present in a 52.0 L fuel tank at a pressure of 2861 lb/in2 (psi) at 20.0°C? Assume that 1 atm = 14.7 psi.

  46. Chemistry

    A fixed amount of oxygen gas is held in a .500 L tank at a pressure of 4.09 atm. The tank is connected to an empty 1.50 L tank by a tube with a valve. After this valve has been opened and the oxygen is allowed to flow freely between the two tanks at a

  47. Physics

    As preparation for this problem, review Conceptual Example 10. The drawing shows two planes each about to drop an empty fuel tank. At the moment of release each plane has the same speed of 140 m/s, and each tank is at the same height of 4.00 km above the

  48. physics

    As preparation for this problem, review Conceptual Example 10. The drawing shows two planes each dropping an empty fuel tank. At the moment of release each plane has the same speed of 105 m/s, and each tank is at the same height of 4.79 km above the

  49. Physics

    At the moment of release each plane has the same speed of 186 m/s, and each tank is at the same height of 3.11 km above the ground. Although the speeds are the same, the velocities are different at the instant of release, because one plane is flying at an

  50. Algebra

    A single-engine airplane carries enough fuel for an 8-hour flight. After the airplane has been flying for 1 h, the fuel tank begins to leak at a rate that would empty the tank in 12 h. How long after the leak begins does the plane have until it runs out of

  51. math

    A 500-litre water storage tank is situated at the top of a building at a height of 300 feet.The tank,which is completely full,has two outlet pipes and one inlet pipe.Veeru climbs up to the tank and opens an outlet which can empty a full tank in 10 minutes.

  52. Physics

    A rocket travels vertically away from the surface of Mars. It is still close to the surface and travelling at a speed of 25 m s when it jettisons an empty fuel tank. The fuel tank initially travels with the velocity of the rocket, but it is attracted to

  53. Maths

    There is a leak in the bottom of tank which can empty the tank in 8hours if a tap is open to the tank time taken to empty the tank is 12 hours if tap admitted 6liter water perhour find the capacity of tank

  54. geometry

    A satellite launch rocket has a cylindrical fuel tank. The fuel tank can hold V cubic meters of fuel. If the tank measures d meters across, what is the height of the tank in meters?

  55. science

    While on a road trip, Shelley observed the gasoline tank gauge drop from the full mark to empty. What most likely happened to the energy from the gasoline in the tank? please help

  56. math

    a bus driver filled up 7/8 of her fuel tank for a trip. she used 6/7 of the fuel by the end of the trip. the capacity of her tank is 70 gallons. how much fuel did she sue for the trip. express answer a decimal

  57. Math

    A man hires a car with the fuel tank 5/8 full. He travels 180 miles and is left with 2/8 of a tank. How much fuel will he need to put in the car at the start of his return journey of 200 miles to ensure he has 5/8 of a tank when he gets back with no wasted

  58. Calculus

    Fuel is flowing into a storage tank which can be filled to a depth of 6 metres. When the fuel started flowing the tank was already filled to a depth of 2.5m. If the rate at which the depth of fuel in the tank is increasing, in metres per hour is given by

  59. Calculus

    An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is  = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full.

  60. Calculus

    An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is ρ = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full.

  61. math

    A bus driver filled up 7/8 of her fuel tank for a trip. She used 6/7 of the fuel by the end of the trip. The capacity of her tank is 70 gallons. How much fuel did she use for the trip?

  62. Math

    A bus driver filled up 7/8 of her fuel a tank for a trip. She used 6/7 of the fuel by the end of the trip. The capacity of her tank is 70 gallons. How much fuel did she use for the trip?

  63. Chemistry

    The US fuel consumption for a car with a fuel-tank capacity of 65.0L is 28.0 miles per US gallon. The density of gasoline is 0.740g/cm^3. How long a trip, in kilometers, can be made on a full tank of gasoline? (Use the conversion factor 1L/1.06qt.)

  64. college algebra

    water from a tank is being used for irrigation while the tank is being filled. The two pipes can fill the tank in 6h and 8h, respectively. the outlet pipe can empty the tank in 24h. How long would it take to fill the tank with all three pipes open? round

  65. Chem

    Aviation fuel is significantly more expensive per gallon than diesel fuel. Why then is aviation fuel still used in Planes?

  66. math

    At the end of a journey 7/9 of the fuel tank of a car had been used and the remaining was 14 litres. How much fuel was in the tank at the beginning of the journey.

  67. calc- please help im so confused

    The top half of a storage tank is a circular cylinder that is 5 meters tall and has a diameter 2 meters. The bottom half of the tank is shaped like an 8-meter inverted cone (pointed down). Let h represent the depth of the tank's contents. At t = 0 minutes,

  68. calc- please help im so confused

    The top half of a storage tank is a circular cylinder that is 5 meters tall and has a diameter 2 meters. The bottom half of the tank is shaped like an 8-meter inverted cone (pointed down). Let h represent the depth of the tank's contents. At t = 0 minutes,

  69. calc

    The top half of a storage tank is a circular cylinder that is 5 meters tall and has a diameter 2 meters. The bottom half of the tank is shaped like an 8-meter inverted cone (pointed down). Let h represent the depth of the tank's contents. At t = 0 minutes,

  70. Volume and surface area of solids

    A hemispherical tank, full of water, is emptied by a pipe at the rate of 22/7 litres per second. How much time it will take to empty half the tank if the diameter of the base of the tank is 3m?

  71. maths

    a tap can fill a tank in 15 minutes .another tap can empty it in 20 minutes.Initially the tank is empty,if both the taps start functioning the same time,when will the tank become fill?

  72. Calculus

    Water is draining from a small cylindrical tank into a larger one below it. The small cylindrical tank has a radius of 4 feet and a height of 6 feet; the large cylindrical tank has a radius of 8 feet and a height of 16 feet. The small tank is initially

  73. College Math

    a conical tank is 15 feet deep and has an open top whose radius is 15 feet. Assume that starting at t = 0 water is added to the tank at a rate of pi ft^3/hr, and water evaporates from the tank at a rate proportional to the suface area with the constant of

  74. math

    A cubical water tank has each edge 5m long. Find the volume of water in the tank if 1/5th of the tank is empty. Pls help... Urgent***

  75. physics

    An open-topped tank completely filled with water has a release valve near its bottom. The valve is 1.63 m below the water surface. Water is released from the valve to power a turbine, which generates electricity. The area of the top of the tank, AT, is a =

  76. Math

    Volume of water that enters the tank is 20m^3/h. Level of water inside the tank is 50% wich is equal to 400m^3. Pump is able to deliver 30m^3/h . how long will it take to empty the tank ?

  77. math, physics

    A 10 m high, 5 diameter cylindrical water tank has an inlet at the top and a drain at the bottom. The flow rate out of the tank depends on the pressure at the bottom of the tank via the following: dm/dt = (10^-4)*(P_bot) where P_bot is the absolute

  78. MATH

    I need help on number 3.the question is. According to information from NASA the space Shuttles external fuel tank has a capacity of about 500,000 gallons of fuel.Write three numbers that could represent the space Shuttles actual fuel capcity.

  79. Math

    A tank is filled with an intake pipe that will fill it in 5 hours and an outlet pipe that will empty it in 15 hours. If both pipes are left open, how long will it take to fill the empty tank?

  80. college

    A tank for storing water is conical in shape, with maximum radius 20 m and maxi­mum depth 15 m. The large, circular end of the tank points vertically upwards and is open to the air. It is known that the volume of water in the tank will decrease at a rate

  81. maths

    A tank was filled with 20L of water. However, there was a hole and 2/3L was leaked out every minute.How long did it take for the tank to become empty?

  82. 8th grade math

    I need help solving this problem. y=14-1/32x. Y is the number of gallons fuel in tank, x is the number of miles driven. tank contains 8.5 gallons of fuel. y=8.5 8.5=14-1/32x

  83. Physics

    A meter stick lies on the bottom of a 100 cm long tank with its zero mark against the left edge. You look into the tank at an angle of θ = 30°, with your line of sight just grazing the upper left edge of the tank, and height of the tank is 50cm. (a) What

  84. math

    fuel gauge registers one third of a tank then ten gallons is added now the gauge reads three fourths of a tank. How many more gallons is needed to fill the tank?

  85. math

    A can fill in 5min and B in 20min.if both taps are opened then due to a leakage it took 30min more to fill tank.if tank is full,how long will it take for the leakage alone to empty the tank?

  86. math

    A cubical water tank has edge 5m long. Find the volume of water in the tank if 1/5th of the tank is empty. Write down the equation of the line whose gradient is 3/2 and which passes through P, where P divides the line segment joining A(-2,6) and B(3,-4) in

  87. Maths

    Ryan's car get 35.7 miles per gallon on the highway His fuel tank holds 12.64 gallons then how far can he travel on one full tank of gas.Round to the nearest mile

  88. physics

    An open-topped tank completely filled with water has a release valve near its bottom. The valve is 1.63 m below the water surface. Water is released from the valve to power a turbine, which generates electricity. The area of the top of the tank, AT, is a =

  89. Math grade 6

    3rectangular metal blocks,8 cm long, 6 cm wide & 5 cm high, were placed in an empty rectangular glass tank.water was then poured in until it reached a height of 10 cm. Another 5 similar blocks were put into the water so that it reached the brim of the

  90. physics

    An open-topped tank completely filled with water has a release valve near its bottom. The valve is h = 1.9 m below the water surface. Water is released from the valve to power a turbine, which generates electricity. The area of the top of the tank, A_T, is

  91. Physics

    Sorry for posting so many, but I just need to make sure I'm on the right track. Just need someone to check my working and answers. A rocket has a mass 3000kg. The fuel used in the rocket has an additonal mass of 500kg. At the launch, the rocket accelerates

  92. math

    an empty rectangle tank with a base area of 2400 cm^2 is filed with water from 2 taps. one tap can fill the tank with 12L of water per minute, while the other tap can do it at 3l less perminute. (A) what will be the depth of water in the tank after both

  93. sport

    If air resistance is negligible what would the flight path of a shot from the moment of release to the moment immediately prior to landing look like using newtons 3rd law of motion?

  94. physics

    a woman is draining her fish tank by siphoning the water into an outdoor drain the rectangular tank has footprint area A and depth H . the drain is located a distance D below the surface of the water in the tank , where D>>H . the cross section area of the

  95. Boolean expression Help asap PLEASE

    A control system is needed to alert an attendant for the following situation. Which of the following is the Boolean equation expressing the electronics you would need? Either the tank is filled and the pump is on, or the tank is empty. (Use A = tank

  96. physics

    Water in a cylindrical container is hanging by a rod from the ceiling at point O shown in the figure. The container is initially full, and initially displaced 20 degree . There is a hole in the bottom where water pours out and the top of the container is

  97. Physics

    An open-topped tank completely filled with water has a release valve near its bottom. The valve is 1.75m below the water surface. Water is released from the valve to power a turbine, which generates electricity. The area of the top of the tank, AT, is 11.5

  98. chemistry

    A fixed amount of oxygen gas is held in a .500 L tank at a pressure of 4.68 atm. The tank is connected to an empty 1.50 L tank by a tube with a valve. After this valve has been opened and the oxygen is allowed to flow freely between the two tanks at a

  99. Math

    . If Kerry fills the tank with 10 in. of water, how much water is in the tank? How much of the tank is empty?

  100. Math

    . If Kerry fills the tank with 10 in. of water, how much water is in the tank? How much of the tank is empty?

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