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Edwin
Questions (88)
write a program to compute the average age of N students
1 answer
205 views
If a gas * is a times heavy as hydrogen which will diffuse faster and by what factor.
1 answer
314 views
A Uniform Metre Rule Of Mass 120g Is Pivoted At 60cm Mark. At What Point On Metre Should Mass Of 50g Be Suspended For It To
1 answer
413 views
Explain two factors why risky behavior it is important for youth
1 answer
1,118 views
A pendulum Bob has it's maximum speed at 3ms at the lowest position of 0.calculate the height of the Bob above 0.where it's
0 answers
326 views
Give me the whole answer for the whole thing please
Im
1 answer
223 views
A 0.02 kg bullet has a speed of 500 m/sec. What is its kinetic energy
1 answer
1,049 views
The temperature was -5∘F and then fell 8∘F.
Don't get it
3 answers
749 views
A brass rod is 2.0 metres long at a certain temperature. What is its length for a temperature rise of 100 kilogram if the linear
0 answers
706 views
Why did China’s economy succeed when the Soviet economy failed in the 1980s?
A) China became more economically isolated and
13 answers
6,134 views
What is the smallest positive integer?
4 answers
726 views
A car with a mass of 1.1 × 103 kilograms hits a stationary truck with a mass of 2.3 × 103 kilograms from the rear end. The
1 answer
1,455 views
without oxygen cellular respiration grinds to a standstill although glycolysis can continue to make some atp anaerobically for a
1 answer
748 views
Use the normal distribution of weights of adult men, which has a mean of 170 pounds and a standard deviation of 7.5 pounds. Use
2 answers
787 views
From 1 to 9, which number should be put in the middle of a magic square( 3 by 3 magic square), so that no matter how you add
1 answer
612 views
You have been hired as a financial consultant to defense electronics,Inc.
1 answer
691 views
A tree and a flag pole are on the same horizontal ground, A bird on top of the tree observes the top and bottom of this flag
3 answers
2,431 views
A golf ball hit at a speed of 77 m/s will carry (achieve its maximum flight distance of) 256 m when driven at a launch angle of
2 answers
620 views
A third baseman makes a throw to first base 39.7 m away. The ball leaves his hand with a speed of 37.0 m/s at a height of 1.5 m
1 answer
578 views
A person rides a motorbike 145 m along a road that slants upward at 4.5 o from the horizontal.
How much higher will the rider be
1 answer
370 views
A solution of NaOH(aq) contains 7.7 grams of NaOH in 93 mL of solution. Calculate the pH at 25◦C.
---- 7.7 grams x (1
1 answer
762 views
A saturated solution of CaF2 (of MW 78.0
g/mol) contains 0.0167 grams per liter. What is the solubility product constant of CaF2?
1 answer
1,510 views
I would for you to overlook my narrative essay, for corrections and your advice. The essay is not finished, but would like to
1 answer
1,142 views
How would I revise this sentence to eliminate unnecessary shifts in tense, mood, voice, or person?
The freezing weather is
3 answers
626 views
Based on your knowledge of the relationship between photosynthesis and CO2, explain why CO2 concentrations cycle throughout the
1 answer
504 views
what does multi-tier supplier mean?
0 answers
355 views
Many organizations find themselves in the apparently contradictory position of having high levels of financial investment in
2 answers
1,122 views
what are the main assumptions underlying organizational communication?
0 answers
1,059 views
define a supply chain driver and show it's relation to supply chain focus with a couple of examples
3 answers
1,267 views
In what year did Napoleon lead the battle of waterloo?
1 answer
533 views
3x^2-12x-24=0
2 answers
896 views
Yep its me again... sorry for re-posting this question but I am quite desperate here and I need to have this question answered,
2 answers
559 views
Sorry for re-posting but I need to know if I did it right, please help, I worked out the problem I just want to know if I did it
2 answers
646 views
A shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 52(angle sign here) downward from the
1 answer
4,125 views
given ax^2 +bx +c=0. one root is square of the other, without solving the expression proove that: c(a-b)^3 = a(c-b)^3
0 answers
357 views
A straight line AB of length 10 units is free to move with its ends on the axes. Find the locus of a point P on the line at a
1 answer
638 views
Three charges of 5 x 10^(-6) C are placed on the vertices of an equilateral triangle of 10cm. Calculate force on each charge.
1 answer
1,271 views
A clean glass capillary tube is held vertically in water raised to a height of 7cm. The tube is down depressed and only 5cm of
0 answers
689 views
A clean glass capillary tube is held vertically in water raised to a height of 7cm. The tube is down depressed and only 5cm of
0 answers
606 views
A clean glass capillary tube is held vertically in water raised to a height of 7cm. The tube is down depressed and only 5cm of
0 answers
640 views
Show that a force acting along a given line can always be replaced by a force of the same magnitude acting along a parallel
0 answers
375 views
a fluid flows through a horizontal pipe of varying cross-section. Assuming the flow is streamline and applying the bernoulli
0 answers
622 views
a fluid flows through a horizontal pipe of varying cross-section. Assuming the flow is streamline and applying the bernoulli
0 answers
841 views
If the amplitudes of the two waves are 3 units and 1 unit respectively, show by the principle of superposition that the ratio of
1 answer
677 views
A light rigid bar is suspended horizontally from two vertical wires, one of steel and one of brass. Each wire is 2.00m long. The
1 answer
1,576 views
A special prototype model aeroplane of mass 400g has a control wire 8cm long attached to its body. The other end of the control
0 answers
750 views
A ball is dropped from a height of 20m and rebounds with a velocity which is 3/4 of the velocity with which it hit the ground.
4 answers
1,717 views
An open tank holds water 1.25 m deep. If a small hole of cross section area 3cm^2 is made at the bottom of the tank, calculate
3 answers
2,326 views
A special prototype model aeroplane of mass 400g has a control wire 8cm long attached to its body. The other end of the control
3 answers
997 views
A light rigid bar is suspended horizontally from two vertical wires, one of steel and one of brass. Each wire is 2.00m long. The
4 answers
3,107 views
A small piece of cork in a ripple tank oscillates up and down as ripples pass it. If the ripples travel at 0.20m/s, have a
5 answers
4,371 views
In the design of a passenger bus, it is proposed to derive the motive power from the energy stored in a flywheel. The flywheel,
0 answers
561 views
Show that a force acting along a given line can always be replaced by a force of the same magnitude acting along a parallel
0 answers
627 views
water flows along a horizontal pipe of cross-sectional area 48cm^2 which has a constriction of cross-sectional area 12cm^2 at
0 answers
929 views
A beam of electromagnetic waves of a wavelength 3.0cm is directed normally at a grid of metal rods, parallel to each other and
0 answers
546 views
A progressive and a stationary simple harmonic wave each have the same frequency of 250Hz and the same velocity of 30m/s.
1 answer
1,039 views
Show that a force acting along a given line can always be replaced by a force of the same magnitude acting along a parallel
1 answer
504 views
water flows along a horizontal pipe of cross-sectional area 48cm^2 which has a constriction of cross-sectional area 12cm^2 at
1 answer
1,026 views
If the amplitudes of the two waves are 3 units and 1 unit respectively, show by the principle of superposition that the ratio of
2 answers
2,170 views
A flywheel of moment of inertia 0.32 kgm^2 is rotated steadily at 120rad/s by a 50 W electric motor. (i)find the kinetic energy
1 answer
4,921 views
Water flows steadily along a uniform flow tube of cross-section 30cm^2. The static pressure is 1.20 x 10^5 Pa and the total
1 answer
1,079 views
A small source O of electromagnetic waves is placed some distance from a plane metal reflector M. A receiver R, moving between O
1 answer
661 views
A plane progressive wave is represented by the equation: y= 0.1sin(200pi(t)-20pi(x/17) where y is the displacement in
3 answers
2,085 views
The static pressure in a horizontal pipeline is 4.3 x 10^4 Pa, the total pressure is 4.7 x 10^4 Pa, and the area of
1 answer
997 views
A flywheel with an axle 1.0cm in diameter is mounted in frictionless bearings and set in motion by applying a steady tension of
4 answers
2,416 views
Find (a) the potential and (b) the field strength at points A and B due to two small spheres X and Y 1.0m apart in air and
0 answers
468 views
Find the vector eqn which passes through (1,1,2) and is parallel to the vector which is perpendicular to both 2i+2j-k and
1 answer
493 views
A clean glass capillary tube is held vertically in water raised to a height of 7cm. The tube is down depressed and only 5cm of
0 answers
989 views
A vibrator attached and resting on the surface of water generates plane water waves and its propagation is found to take 50
1 answer
548 views
A plane progressive wave on a water surface is given by the equation y=2sin2pi(100t-x/30) where x-is the distance covered in a
2 answers
594 views
What vibrates in the following types of wave motions (i) light waves. (ii) sound waves. (iii) x-rays.
1 answer
461 views
A plane sound wave propagated in air has individual particles which execute a periodic motion such that their displacement y
2 answers
510 views
A bird of mass 0.8kg hovers upwards by beating the mass of effective area 0.5m^2. (i) what is its upthrust? (ii) estimate the
1 answer
1,240 views
A 24V battery of internal resistance of 10ohms is connected to a variable resistor. At what value of current drawn from battery
2 answers
1,186 views
The electrical motor runs on a D.C source of emf E and internal resistance r. Show that power output of the motor is max where
0 answers
1,010 views
A silver wire has resistance of 2.1ohms at 27.8 degree celsius and resistance of 2.8ohms at 98 degree celsius. Determine the
0 answers
568 views
Two spheres S1 and S2 of the same metal and having the same type of surface, have radii 20cm and 10cm respectively. Compare
1 answer
639 views
24 kg of water are heated by a thermostatically controlled 4Kw electric heater. The thermostat switches the heater on at 60
1 answer
558 views
The heat capacity of a mercury thermometer is approximately equal to the volume immersed in metre cube multiplied by a constant
1 answer
731 views
The density of nitrogen at STP is 1.25 kgm^-3. Find the r.m.s velocity of nitrogen molecule at 20 degree centigrade.
1 answer
534 views
Don't understand differences between lo, la, le
1 answer
328 views
(b) the digits of a positive integer having three digits are in A.P and their sum is 15. The number obtained by reversing the
1 answer
1,271 views
(b) the digits of a positive integer having three digits are in A.P and their sum is 15. The number obtained by reversing the
2 answers
836 views
According to the Uniform Partnership Act, the three key elements of any general partnership are
2 answers
1,145 views
is the most important step to help improve America's business ethics?
1 answer
636 views
Why can multicellular organisms be more complex than unicellular organisms?
2 answers
868 views
In some states, real estate agents are legally required to A. back up the claims their clents make about home conditions. B.
1 answer
605 views
In some states, real estate agents are legally required to A. back up the claims their clents make about home conditions. B.
2 answers
1,401 views
