Description : Cleaning of sugarcane is obtained at peripheral speed A. 12-15m/sec B. 18-20m/sec C. 20-25m/sec D. 25-30m/sec
Last Answer : B. 18-20m/sec
Description : A race course is 250 m long. P and Q run a race and P wins by 4m. Q and R run over the same course and Q win by 3m. R and S run over it and S wins by 12m. If P and S run over it, then who would win and by how much? a) P by 4.82m b) S by 5.30m c) P by 7.25m d) Q by 6.54m
Last Answer : B If P covers 250m, Q covers 246 m If Q covers 250m, R covers 247 m If S covers 250m, R covers 238m Now if Q covers 246 m, then R will cover =247/250*246=243.048 If R covers 243.048 m, then S will cover= ... 048=255.30 If P and S run over 250 m, then S win by =(255.30-250) S win by = 5.30 m
Description : An object with 100 N weights is raised to a height of 15m. Find the potential energy possessed by the object at that height. Also find the new potential energy: -Physics 9th
Last Answer : Potential Energy is given by PE=mgHPE=mgH Given mg=100N and H=15 m PE=100 15=1500JPE=100 15=1500J If If the same object is raised half of its original height i.e H= 7.5 m PE=100 7.5=750JPE=100 ... same object is raised to three times of its original height i.e H=45 m PE=100 45=4500JPE=100 45=4500J
Description : What is 0.30m x 0.30m x 0.30m in inches?
Last Answer : Need answer
Description : What volume (in mL) of 0.25M NaSO4 solution is needed to precipitate all the barium as BaSO4(s) from 12.5mL of 0.15M Ba(NO3)2 solution?
Last Answer : The chemical equation is:Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3The volume (in mL) of 0,25M Na2SO4 solution needed to precipitate all the barium as BaSO4(s) from 12,5mL of 0,15M Ba(NO3)2 solution is 7,5 mL.
Description : If A rock is dropped from the top of a 15m tall building. How fast is it moving just before it strikes the ground?
Last Answer : You would have to take in the factor of the speed and the air pressure, thus when the speed and air pressure equal each other the speed doesn't keep climbing it stays at the same level of speed
Description : In a flywheel the safe stress is 25.2MN/m 2 and the density is 7 g/cm 3 . Then what is the maximum peripheral velocity ? 1. 30m/s 2. 45m/s 3. 60m/s 4. 120m/s
Last Answer : 3. 60m/s
Description : Water flowing at a 6m/s through a 60 mm pipe is suddenly channeled into a 30 mm pipe. What is the velocity in the small pipe? a. 34m/s b. 24m/s c. 15m/s d. 27m/s
Last Answer : 24m/s
Description : What is the force required to accelerate amass of 30kg at a rate of 15m/s². a. 460 N b. 380 N c. 560 N d. 450 N F = ma
Last Answer : 450 N
Description : The pressure drop in a 30 cm diameter horizontal pipe is 60 kPa in distance of 15m. The wall shear stress in kPa is (a) 0.1 (b) 0.2 (c) 0.3 (d) 0.4
Last Answer : (c) 0.3
Description : An aeroplane of 110,000kg has its CG at 22.6m aft of the datum. The CG limits are 18m to 22m aft of the datum. How much mass must be removed from a hold 30m aft of the datum to bring the CG to its mid point? a. 26,800 kg b. 28,600 kg c. 86,200 kg d. 62,800 kg
Last Answer : b. 28,600 kg
Description : The travel distance to an exit point on a working platform must be no more than? a. 7.4m b. 45m c. 15m d. 60m
Last Answer : c. 15m
Description : While doing final location survey, the centre line is fully marked with pegs at --- metre distance (a) 10m (b) 20m* (c) 30m (d) 50m
Last Answer : (b) 20m*
Description : The minimum distance required for an echo to occur is _______. a)30m b)17.2m c)100m d)20m
Last Answer : b)17.2m
Description : Draw a neat labeled sketch of 30m chain.
Last Answer : neat labeled sketch of 30m chain
Description : Two pumps M and N can fill a cistern in 10m and 15m respectively. If both the pumps are opened simultaneously, after how much time should N be closed so that the cistern is full in 8 minutes ? A) 5min B) 6min C) 3min D) 7min
Last Answer : C X(1/10+1/15) +(8-x)1/10 = 1 5x/30+8-x/10 =1 5x+24-3x/30 =1 2x+24 = 30 2x=6 X=6/2 = 3
Description : Two faucet P and Q can fill a tank in 10 min. and 20 min. respectively. A water faucet R can empty the tank in 10 min. First P and Q are opened. After 3 min, R is also opened. In how much time, the tank is full? A) 17m B) 15m C) 11m D) 19m
Last Answer : C Part filled in 3 min. = 3*((1/10)+(1/20)) = 3 * (2+1/20) =>3(3/20) = 9/20 Remaining part=(1-(9/20))=(11/20). Net part filled in 1min. when P,Q and R are opened=(1/10)+(1/ ... (1/20). Now,(1/20) part is filled in one minute. (11/20) part is filled in = (20*(11/20))=11minutes.
Description : A train overtakes two girls walking along a railway track. The first girl walks at 9 km/hr. The other girl walks at 10.8 km/hr. The train needs 16.8 and 17 seconds respectively to overtake them. What is the speed of the ... in the same direction as the train? A) 25 m/s B) 45 m/s C) 30m/s D) 40m/s
Last Answer : ANSWER:B Explanation: First girl speed = 9km/hr = 9 * 5 / 18 m/s = 5/2 m/s = 2.5 m/s second girl speed = 10.8 km/hr = 10.8 * 5/18 m/s = 54/18 = 3 m/s Let the speed of the train ... x - 3) * 17 16.8x - 42 = 17x - 51 0.2x = 9 x = 45 Therefore the speed of the train is 45 m/s
Description : What is 6m and 12m surface area on a cylinder?
Last Answer : 286.3
Description : When 0.50 liter of a 12M solution is diluted to 1.0 liters the molarity of this new solution is?
Last Answer : 6.0 M when you multiply 12M by the .50 liters you will get the6.0 M
Description : How do you factorise 8x plus 12m?
Last Answer : It is: 4(2x+3m) when factorised
Description : Afety regulations say that there should be at least 12m3 for each person in a room where people sleep.A room is 12m long,15 m wide and 5m high.What is the maximum number of people who can sleep in it safely?
Last Answer : length room =12m breadth room =15m height room =5m volume =LxBxH 12X15X5 =900 if 12 m3 space for each person then total number of people =900m2/12m3 = 75 people
Description : Find the electric field when the velocity of the field is 12m/s and the flux density is 8.75 units. a) 510 b) 105 c) 150 d) 165
Last Answer : b) 105
Description : Find the resistivity of a material having resistance 20kohm, area 2 units and length of 12m. a) 6666.6 b) 3333.3 c) 1200 d) 2000
Last Answer : b) 3333.3
Description : Calculate the convection current when electron density of 200 units is travelling at a speed of 12m/s. a) 16.67 b) 2400 c) 2880 d) 0.0
Last Answer : b) 2400
Description : Find the force on a conductor of length 12m and magnetic flux density 20 units when a current of 0.5A is flowing through it. a) 60 b) 120 c) 180 d) 200
Last Answer : b) 120
Description : A bayabas falls from a branch 5m above the ground with what speed in meter per second does it strike the ground assume g = 10m/s². a. 11m/s b. 12m/s c. 13m/s d. 10m/s ∫KE = mV2/2gc
Last Answer : 10m/s
Description : The vertical spacing between ties must be no more than? a. 8m (26 feet) b. 10m (33 feet) c. 12m (39 feet) d. 6m (20 feet)
Last Answer : a. 8m (26 feet)
Description : Definition of minor bridge e) Single span less than 12m f) Total linear water way less than 18m g) Both a) & b)* h) None of the above
Last Answer : g) Both a) & b)*
Description : Definition of major bridge a) Single span of 12m & above b) Total linear water way more than 18m c) Both a) & b)* d) None of the above
Last Answer : c) Both a) & b)*
Description : Three friends X, Y and Z run a running race, Y finished 12 meters ahead of Z and 18 m ahead of X, while Z finished 8m ahead of X. If each friends runs the entire distance at their respective constant speeds, what is the length of the race? a) 16m b) 48m c) 24m d) 12m
Last Answer : B Let the length of the race track be 'd'. When Y finished the race, X and Z would have run (d−18) and (d−12) meters respectively. When Z finishes the race, X would have run (d-8) meters. The ratio of ... d2 -20d+96= d2 -18d 20d-18d=96 d=96/2=48m hence the length of the race track is 48m
Description : which expression has the same GCF as 15xx-21x?
Last Answer : 36
Description : What is the gcf of 8 and 32?
Last Answer : 4
Description : What is GCF of 6 and 10?
Last Answer : What is the LCM of 10 and 6
Description : What is the GCF of 72 and 90?
Last Answer : It is: 18
Description : What are the GCF 140 180?
Last Answer : The GCF of the given two numbers is 20
Description : What is the GCF of 64 14 and 30?
Last Answer : The GCF is 2.
Description : What is the gcf of 28 48 and 96?
Last Answer : The GCF is 4.
Description : What is the gcf of 91 78 65?
Last Answer : 91: 1, 7, 13, 9178: 1, 2, 3, 6, 13, 26, 39, and 7865: 1, 5, 13, and 65The answer is 13
Description : What is the gcf of 75x to the third power y squared 100xy?
Last Answer : The GCF is 25xy
Description : What is the GCF of 225 135 and 165?
Last Answer : The GCF is 15.
Description : Is this true or false and why The gcf of any two even numbers is always even?
Last Answer : True. Even numbers are even because they are multiples of 2.That means that any two even numbers will have at least 2 as acommon factor. Since that number (the GCF) will have 2 as a factor,it will be a multiple of 2: an even number.
Description : What do is the gcf of the polynomial 20x-4?
Last Answer : The GCF of 20 and 4 is 4.That factors to 4(5x - 1)
Description : What is the GCF of the numbers in the expression (32 plus 16) is?
Last Answer : The GCF of 16 and 32 is 16.
Description : What is the Gcf of 60 90 105?
Description : What is the GCF of 97 and 5?
Last Answer : It is: 1
Description : What is the gcf of 16 and 8 and 24?
Last Answer : It is 8
Description : What is the gcf between 42 49 84?
Last Answer : It is 7.