Evans

This page lists questions and answers that were posted by visitors named Evans.

Questions

The following questions were asked by visitors named Evans.

violence in sports
14 years ago
Properties of light energy
14 years ago
what are real numbers
11 years ago
A platform and a building are on thesame plane. The angle of depression of the bottom(c) of the building from is 39degree. The angle of elevation of the top(o) of the building From the top of the platform is 56. Given that the distance between the foot of...
9 years ago
A platform and building are on thesame plane. The of angle of depression of the bottom(c) of the building from the top(a) of the platform is 39degree. The angle of elevation of the top(o)of the building from the top of the platform is 56. Given that the d...
9 years ago
British: American ll : l l : l gramme:gram please help me i need three examples of the word listed above that is spelt in the British way and also in the American way
9 years ago
Calculate the kinetic energy of a car of mass 1200kg moving at 1.8m/s The car engine is Switched Off calculate the height the could rise up a hill before coming to rest if there is no energy loss due to friction assume g= 10N/kg Into what form has the kin...
9 years ago
It was observed that the shadow of a vertical pole of 6 meters longer when the angle of elevation of the sun was 30° than when it was 60°.By means of a sketched diagram,calculate,correct to two decimal places,the height of the pole.
9 years ago
50 liters cylinder is filled with Ar gas to a pressure of 10130KPa at 30C. How many moles of At gas are in the cylinder
8 years ago
What are the various definitions of literature?
8 years ago
A wire-wound resistor with a resistance of250ohm Will overheat if the power dissipated exceeds 10W.What is the maximum constant voltage V that can be applied across the terminals of this resistor?
7 years ago
In the first quarter of a year, a company’s records showed that 68% of its sales employees missed no work and 76% of its sales employees made their sales quota for the quarter. Of the sales employees who missed no work, 87% made their sales quota for the...
7 years ago
What will be the osmotic pressure of a solution containing 3.42 g sugar in one litre of solution at 27 [ Mol. Wt of sugar =342 ], R= 0.082 litre-atm/mol.deg].
7 years ago
The osmotic pressure of solution containing 4 g of the solute per litre of the solution is 0.41 atm at 27. What is the molecular weight of the solute?
7 years ago
what is the critical angle for light passing from(n=1.54) to (n=1.33)
7 years ago
as observer travelling with a constant velocity of 20m/s passes close to a stationary source of sound and noticed that there is a change of frequency of 50Hz as he passes the source. What is the frequency of the source? (speed of sound in air=340m/s)
7 years ago
A small omni directional source of noisy sound emits uniformly with a power of 40W.Determine the distance from the source for which the sound level is 90dB. Calculate also the intensity level at a point 100m from the source. (if there is no absorption)
7 years ago
Determine the resolving power of a telescope,if the objective of a telescope has a diameter of 300mm.The mean wavelength of the light from Stars is 6*10^-7m.
7 years ago
An isotropic point source has an intensity of 300Cd. Calculate the amount of luminous flux emitted by the source.
7 years ago
calculate the electric potential at a point P, a distance of 1m from either two charges of +10uC and -5uC which are 10cm apart. Calculate also the potential energy of a +2uC charge placed at a point,P
7 years ago
342x=70 find x
6 years ago
Base number
6 years ago
A man starts with a velocity of 15m/s and moves with an acceleration of 2m/s^2.what distance does he cover in the fifth second? What distance does he cover in 10s
6 years ago
A 2kg block rests at the edge of a platform that is 10m above ground level.The block launched horizontally from the edge of the platform with an initial speed of 3m/s. Air resistance is negligible.what is the time taken for the block to reach the ground?
6 years ago
a typical simple Infrared spectrophotometer which covers a wavelength range from 3 to 15um. Express it's range in (1). Wave number (2). Hertz
6 years ago
An object at 100 m/s accelerates at a rate of 120 m/s 2 . What will the velocity of this object be after 100 seconds?
6 years ago
Nitrogen gas has a pressure of 50.5kpa at a temperature of 10°c.calculate its density.
6 years ago
Jean has $250 in her savings account. She will deposit $40 in her account every week.
4 years ago
Faith spent ½ of her money at Kingsway store,⅓ at Walmart and 1/5 at Wesley. if she has $300 left, how much did she had initially?
4 years ago

Answers

The following answers were posted by visitors named Evans.