Thursday
August 28, 2014

Posts by Vishnu


Total # Posts: 44

Sociology
Which of the following was a topic of study in early sociology? a. Astrology b. Economics c. Physics d. History
August 17, 2014

Physics
What will happen if you try to place two bar magnets of exactly equal size one above the other such that their north poles are on the same side
January 13, 2013

maths
5+5*5+5=
December 5, 2012

MARKETING
1. Introduction – You need to work out what is the business scope of the company. That is what business are they in? 2. You will conduct an internal environment analysis – with a particular view to how well the company is placed to operate in another country. 3. You ...
March 7, 2009

calculus
Differentitate the function y =4(pi)^2
October 14, 2008

calculus
Differentiate the funciton H(x) = (x + x^-1)^3
October 14, 2008

calculus
Find an equation of the tangent line to the curve at the given point y = x + cosx, (0,1)
October 14, 2008

calculus
Please find the Derivative of the function y =sec^2x + tan^2x
October 14, 2008

calculus
Find the first and second derivatives of the function. h(x) = sqrt x^2 + 1
October 14, 2008

calculus
Never mind, I got the answer :)
October 14, 2008

calculus
Find equations of the tangent line and normal line to the curve at the given point. y = x^4 + 2e^x, (0,2)
October 14, 2008

physics
A pendulum consists of an object of mass 1.07 kg that hangs at the end of a massless bar, a distance 1.14 m from the pivot point. Calculate the magnitude of the torque due to gravity about the pivot point if the bar makes an angle of 22° with the vertical. torque = ...
October 11, 2008

physics
An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 68.7 cm long and has a mass of 4.69 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor? Torque = massball x length + massarm x ...
October 11, 2008

physics
A bag of cement of weight 370 N hangs from three wires Two of the wires make angles è1 = 58.6° and è2 = 23.8° with the horizontal. If the system is in equilibrium, calculate the tension T1.
October 11, 2008

physics
A man weighs 75 kg. What is his weight on the moon, where g=2.21 m/s2
October 10, 2008

physics
A woman has a mass of 64.2 kg. What is her weight on earth?
October 10, 2008

physics
What is the magnitude of the torque about his shoulder if he holds his arm straight, but 46.6° below horizontal?
October 9, 2008

physics
Should the lenght be in centimetres or metres and the mass of the ball in kilograms?
October 9, 2008

physics
An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 68.7 cm long and has a mass of 4.69 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?
October 9, 2008

physics
will the weight be in kg or grams?
October 9, 2008

biology
Imagine you and a friend have robbed the Union Market. You are caught speeding out of the parking lot and are promptly apprehended by Campus Security. A scuffle ensues and you are both charged with resisting arrest. They isolate the two of you so that you may be questioned ...
October 9, 2008

physics
How long does it take the skier to reach the bottom?
October 8, 2008

physics
Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and runs to the tree. Larry arrives at the tree at 2:29. What is Larry's average velocity during his trip from home to the lamppost, if the lamppost ...
October 8, 2008

physics
h =18.0 m angle = 13.1° hypotenuse = ? Sine function formula is: Opposite / hypotneuse What is opposite?
October 8, 2008

physics
Can i have the formula for this step please?
October 8, 2008

physics
A skier is gliding along at 1.13 m/s on horizontal, frictionless snow. He suddenly starts down a 13.1° incline. His speed at the bottom is 18.8 m/s. What is the length of the incline? ------------------------------------ Use his change in kinetic energy to get his loss of ...
October 8, 2008

physics
41.8 m/s ?
October 8, 2008

physics
So the answer is 41.8 m?
October 8, 2008

physics
A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole? Responses The gain in kinetic energy equals the loss of potential energy. (1/2) M (V2^ - V1^2) = M g...
October 8, 2008

physics
You are driving to the grocery store at 12.2 m/s. You are 193.0 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.790 s and that your car brakes with constant acceleration. How far are you from the intersection when you begin to apply...
October 8, 2008

physics
In 1865, Jules Verne suggested sending people to the Moon by launching a space capsule with a 207.9 m long cannon. The final speed of the capsule must reach 11.31 km/s. What acceleration would the passengers experience?
October 8, 2008

physics
The answer is 1744.89 m/s That's a little fast. Should I Square root this answer?
October 8, 2008

physics
A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole? Responses The gain in kinetic energy equals the loss of potential energy. (1/2) M (V2^ - V1^2) = M g...
October 8, 2008

physics
A skier is gliding along at 1.13 m/s on horizontal, frictionless snow. He suddenly starts down a 13.1° incline. His speed at the bottom is 18.8 m/s. What is the length of the incline? ------------------------------------ Use his change in kinetic energy to get his loss of ...
October 8, 2008

physics
308/21 = 14.66 m/s I still get a wrong answer
October 8, 2008

physics
Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and runs to the tree. Larry arrives at the tree at 2:29. What is Larry's average velocity during his trip from home to the lamppost, if the lamppost ...
October 8, 2008

physics
A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole?
October 6, 2008

physics
In 1865, Jules Verne suggested sending people to the Moon by launching a space capsule with a 207.9 m long cannon. The final speed of the capsule must reach 11.31 km/s. What acceleration would the passengers experience?
October 6, 2008

physics
Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and runs to the tree. Larry arrives at the tree at 2:29. What is Larry's average velocity during his trip from home to the lamppost, if the lamppost ...
October 6, 2008

physics
An object is thrown vertically upward with a speed of 19.1 m/s. How high does it rise?
October 6, 2008

chemistry
Identify the species which obey the octet rule for every atom. (The central atoms are underlined). a. ClO3- (Cl is underlined) b. SO2 (S is underlined) c. NO2+ (N is underlined) d. NO2 (N is underlined) e. ClO- (Cl is underlined)
October 4, 2008

chemistry
Select all true statements from the following: a. ) Metals are good conductors of heat and electricity. b. ) Nonmetals generally react by forming covalent bonds (i.e. sharing electrons) or by gaining electrons to form anions. c. ) Halogen atoms have the highest ionization ...
October 4, 2008

chemistry
Thanks Doc
October 4, 2008

chemistry
When copper is dissolved in nitric acid, a brown gas (NO2) is evolved, either by direct production of NO2 or by production of NO which is oxidized to NO2 by O2. Provide a Lewis drawing and resonance structures for the nitrate anion.
October 4, 2008

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