Questions Asked

emcrazy14:
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Can someone help me with (b) part of this question?
 updated 7 days ago
 4 replies
 No Medals Yet

emcrazy14:
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Harmonic Motion: I need help with part(b).
 updated 7 days ago
 2 replies
 No Medals Yet

emcrazy14:
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HELPPP.
 updated 7 days ago
 15 replies
 1 Medal

emcrazy14:
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A tank holds 10000 Kg of NaHCO3 solution at 60 degree C. Amount of NaHCO3 in the initial solution is 100 Kg. Temperature of the solution is …
 updated one month ago
 3 replies
 No Medals Yet

emcrazy14:
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HELP.
 updated one month ago
 2 replies
 1 Medal

emcrazy14:
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HELP.
 updated one month ago
 4 replies
 No Medals Yet

emcrazy14:
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On a number line, the coordinates of P and R are p and r, respectively. The distance between P and R is not greater than 6. Which of the fol…
 updated 3 months ago
 1 reply
 No Medals Yet

emcrazy14:
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Integrate csc((πx)1).
 updated 4 months ago
 6 replies
 4 Medals

emcrazy14:
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A retailer sells a video recorder for 880 pounds. the price includes VAT at 21% and 34% profit. Calculate the cost price of recorder.
 updated 6 months ago
 4 replies
 No Medals Yet

emcrazy14:
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A firm owns 96 apartments. At $550 per month, each apartment can be rented. However for each $25 increase per month there will three vacanci…
 updated 6 months ago
 No Medals Yet

emcrazy14:
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CHALLENGE! The hint says first number is 4. I need the rest of the number.
 updated 7 months ago
 7 replies
 1 Medal

emcrazy14:
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Is phenol a stronger acid or H2CO3? @ganeshie8
 updated 8 months ago
 10 replies
 1 Medal

emcrazy14:
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In 4^x+3=8^x1, what is the value of x?
 updated 9 months ago
 14 replies
 3 Medals

emcrazy14:
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When the string attached to the body moving in a circle breaks then force acting on the string at that instant is;
A) 0
B) infinity
…
 updated 9 months ago
 8 replies
 1 Medal

emcrazy14:
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A student calculates the speed of sound as 327.66 m/s. She estimates that her result is accurate to 3%. Which of the following gives her res…
 updated 9 months ago
 No Medals Yet

emcrazy14:
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Which chlorine compound has bonding that can be described as ionic with some covalent character?
1. NaCl
2. MgCl2
…
 updated 9 months ago
 4 replies
 2 Medals

emcrazy14:
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The wave is travelling from left to right. At the instant shown, the points P and Q have zero and maximum displacement respectively.
Which…
 updated 9 months ago
 7 replies
 1 Medal

emcrazy14:
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A train on a mountain railway is carrying 200 people of average mass 70 kg up a slope at an
angle of 30° to the horizontal and at a speed …
 updated 9 months ago
 29 replies
 3 Medals

emcrazy14:
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Someone please explain this to me.
Which statements are true?
Ammonia and chlorine react in the gas phase.
…
 updated 9 months ago
 15 replies
 3 Medals

emcrazy14:
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Quick question. Please help.
Physical quantities can be classed as vectors or as scalars.
…
 updated 9 months ago
 8 replies
 1 Medal

emcrazy14:
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I need help with this please.
 updated 9 months ago
 2 replies
 1 Medal

emcrazy14:
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The products of cracking an alkane X are methane, ethene and propene. The mole fraction of ethene in the products is 0.5. What is the identi…
 updated 9 months ago
 2 replies
 1 Medal

emcrazy14:
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Please help me with these questions.
 updated 9 months ago
 2 replies
 No Medals Yet

emcrazy14:
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A turbine at a hydroelectric power station is situated 30 m below the level of the surface of a large
lake. The water passes through the t…
 updated 9 months ago
 1 reply
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emcrazy14:
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Someone please explain how to do this MCQ.
 updated 9 months ago
 8 replies
 1 Medal

emcrazy14:
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A mass of liquid of density p is mixed with an equal mass of another liquid of density 2p. No change of total volume occurs. What is the den…
 updated 9 months ago
 4 replies
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emcrazy14:
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2 cos (2x60) + sin (2x60)= 1/ under root 5.
Solve this equation in the range 0<x<360.
 updated 10 months ago
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emcrazy14:
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Please help me with the graph for the emf induced.
Fig 6.2 shows the variation with time t of the current Ip in the primary coil. There's n…
 updated 10 months ago
 14 replies
 4 Medals

emcrazy14:
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How do I integrate this? Please help.
2u/(1+u)
 updated 10 months ago
 12 replies
 2 Medals

emcrazy14:
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Find all the roots of the equation (2z1)^3=1 in the form x+iy.
 updated 10 months ago
 31 replies
 No Medals Yet
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