Saturday

August 2, 2014

August 2, 2014

Total # Posts: 43

**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

**maths**

5+5*5+5=

**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 ...

**calculus**

Differentitate the function y =4(pi)^2

**calculus**

Differentiate the funciton H(x) = (x + x^-1)^3

**calculus**

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

**calculus**

Please find the Derivative of the function y =sec^2x + tan^2x

**calculus**

Find the first and second derivatives of the function. h(x) = sqrt x^2 + 1

**calculus**

Never mind, I got the answer :)

**calculus**

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

**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 = weightp...

**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 l...

**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.

**physics**

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

**physics**

A woman has a mass of 64.2 kg. What is her weight on earth?

**physics**

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

**physics**

Should the lenght be in centimetres or metres and the mass of the ball in kilograms?

**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?

**physics**

will the weight be in kg or grams?

**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 sep...

**physics**

How long does it take the skier to reach the bottom?

**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 ...

**physics**

h =18.0 m angle = 13.1° hypotenuse = ? Sine function formula is: Opposite / hypotneuse What is opposite?

**physics**

Can i have the formula for this step please?

**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 ...

**physics**

41.8 m/s ?

**physics**

So the answer is 41.8 m?

**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 ...

**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...

**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?

**physics**

The answer is 1744.89 m/s That's a little fast. Should I Square root this answer?

**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 ...

**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 ...

**physics**

308/21 = 14.66 m/s I still get a wrong answer

**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 ...

**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?

**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?

**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 ...

**physics**

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

**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)

**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 ener...

**chemistry**

Thanks Doc

**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.

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