Answers created by Daniel H.

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• An automobile changes energy into different forms. The total amount of energy does not change due to the __________ ?
  
• A net force of 10N acts on a mass of 25kg for 5 seconds. What is the acceleration?
  
• 'How do I find the angle between a vector and the y-axis?'
  
• A force of 20 N gives a ball an acceleration of 4.0 m/s^2 on a level frictionless surface. What is the mass of the ball?
  
• Why do 2 bodies of different masses fall at the same rate?
  
• How is it possible to demonstrate Newton's second law?
  
• Help please?
  
• How to plot the points for half life graph ?
  
• Explain how microwaves are used to find the distance to an aeroplane ?
  
• How do you insert parentheses to make #2^3 -3*5-8=1# true?
  
• Why do people become so addictive to video games?
  
• How does the speed of sound in water compare to the speed of sound in air?
  
• What determines the capacitance of a capacitor?
  
• What is the order of magnitude of 0.000746?
  
• How do you calculate the wavelength of electromagnetic waves?
  
• Which of the following trinomials is written in standard form? (-8x+3x²-1), (3-4x+x²), (x²+5-10x), (x²+8x-24)
  
• Which of the following would be a linear term in a quadratic trinomial? (5x⁻¹), (5x⁰), (5x), (5x²)
  
• Which law explains how rockets are launched into space?
  
• Which of the following quantities is different from the others?
  
• In terms of motion, when a jet fighter is sitting stationary on the tarmac it has something in common with when it's flying on a straight course at 3000 km/h. Explain?
  
• Please Help!!?
  
• When is acceleration not constant?
  
• What is the excluded value? -2x/7
  
• Y=a(×-h)2+k? a.minimum b.discriminant or c. Standard form of a quadratic equation.
  
• Can someone help me with this task?
  
• Use the first principle to differentiate? #y=sqrt(sinx)#
  
• How does energy relate to wavelength and frequency?
  
• Will a vector at 45° be larger or smaller than its horizontal and vertical components?
  
• A worker does 25 J of work lifting a bucket, then sets the bucket back down in the same place. What is the total net work done on the bucket?
  
• What is transferred in a wave?
  
• When rolling two number cubes simultaneously, what is the probability of rolling a 1 on one cube and a 6 on the other?
  
• Please show me the workings of this no.2?
  
• What is the difference between regular and irregular verbs in Spanish?
  
• Suppose a young boy pushes a supermarket cart with a mass of #30# #kg#. How much force does he use if the cart accelerates at #3.5# #m##/s^2#?
  
• Would an electron have to absorb or release energy to jump from the second energy level to the third energy level?
  
• Why it is said that propogation of sound waves is an adiabatic process?
  
• Is 42 a prime number?
  
• A vat contains 250ml of wine.how many 750ml bottles can be filled from the vat?
  
• If Earth has a mass of 5.972 × 10^24 kg and Mars has a mass of 6.39 × 10^23 kg, and the distance between them is 225 x 10^6 m, with what force does Earth pull on Mars?
  
• Can you help me with this question?
  
• How do you simplify #\frac { 8x ^ { 2} y ^ { 2} + 20x y ^ { 2} - 16y ^ { 2} } { 4x ^ { 2} y }#?
  
• In a series–parallel circuit, how are individual component power dissipations calculated?
  
• Physics Magnetism?
  
• How do you write the algebraic expressions for the following: "The quotient of the square root of x and five"?
  
• How do you find the domain and range of #y=sqrt(2x+7)#?
  
• How do you write the given expression terms of i: #sqrt(-45)#?
  
• In the equation 2x +3x=19, whats the constant?
  
• How do you simplify #(x ^ { 5} y ^ { - 9} ) ^ { 3}#?
  
• Does the term "sinusoidal" refer to BOTH cos graphs and sine graphs?
  
• How do you find #f^-1(x)# given #f(x)=2x+7#?
  
• How to determine the direction of a particle between two plates?
  
• Question (1.1): Three objects are brought close to each other, two at a time. When objects A and B are brought together, they repel. When objects B and C are brought together, they also repel. Which of the following are true? (a) Objects A and C possess c
  
• In one of the statements of thermodynamics first law it states that the total internal energy of an isolated system is constant but isolated system means adiabatic system in which Delta u is equals to zero. I just didn't get that?
  
• How does the electric potential energy between two positively charged particles change if the distance between them is tripled?
  
• As frequency goes up, what happens to the potential to do damage to the human body?
  
• Why did racial tensions escalate in the south?
  
• How do you solve #4^(2x+1)= 1024#?
  
• It’s mid afternoon and you are canoeing down a river that empties into a large lake. You are having a hard time making progress because of a stiff wind in your face. Is this situation likely to get better or worse at sunset? Explain.
  
• Sarah backstrokes at an average speed of 8 meters per second how long would it take her to complete a race of 200m?
  
• What portion of a data set is found in the box, of a box and whisker plot?
  
• Tan(1/2 arcsin x) What is the type of X?
  
• As the direction of electronic in the circut Is from negative terminal to positive terminal of battory so how can it possible for an electron to move from the low potential to high potential in the external circut not inside the battory?
  
• What is the gravitational potential energy of a 61.2-kg person standing on the roof of a 10-story building relative to the tenth floor, sixth floor, and first floor? Each story is 3.50 m high.
  
• How does the mass of the object at rest (box or cup) affect how far it travels when hit by the metal ball?
  
• Magnetizing force is produced in a ferromagnetic material due to current ?
  
• What causes a person in circular motion to feel a push away from the direction of their acceleration?
  
• Geometry help? Volume of a cone.
  
• Was the Emancipation Proclamation & the Civil War really about ending slavery?
  
• Help please?
  
• The axis of symmetry of a quadratic function has the equation x=4 if one zero is 7 ,what is the other zero ?
  
• How do you use transformation to graph the cosine function and determine the amplitude and period of #y=-cos(x-pi/4)#?
  
• Energy input remains constant and voltage remains the same In a circuit, but current decreases. What must be happening?
  
• Paul Konerko hit a 135 m grand slam in Game 2 of the World Series. He did 3,245 J of work. With what force did he hit the ball?
  
• What is the amplitude of f(x)=cos x?
  
• Say it's given logx. Is this log base e of x or log base 10 of or both somehow?
  
• In a circle of radius 13 m, the length of the arc subtended by a central angle of 15° is approximately?
  
• What happened to momentum if kinetic energy increase 3time?
  
• How do you sketch the graph of #y=(-x-2)^2# and describe the transformation?
  
• Question #38318
  
• How do you convert #15root(4)((81ab^2# to exponential form?
  
• Why motion and rest are relative?
  
• I have two graphs: a linear graph with a slope of 0.781m/s, and a graph that increases at an increasing rate with an average slope of 0.724m/s. What does this tell me about the motion represented in the graphs?
  
• Which light diverge in prism?
  
• Question #8f0ee
  
• An object has a kinetic energy of 25 j and a mass of 34 kg, how fast is the object moving?
  
• What is the kinetic energy of a 150kg object that is moving with a speed of 15 m/sec?
  
• Find the probability of drawing an ace or a spade from a deck of 52 cards in a single draw?
  
• What is the momentum of a bowling ball and putty together after a 1-kg chunk of putty moving at 1 m/s collides with and sticks to a 5-kg bowling ball initially at rest?
  
• Motion is best described as an objects change in position relative to a?
  
• How do you graph # y=2tan(x-pi/2)#?
  
• How do you graph #y>=abs(x-1)-2#?
  
• Question #4e38e
  
• Describe the energy transfers of an electron around the circuit when the switch is closed?
  
• How do you use transformation to graph the sin function and determine the amplitude and period of #y=3sin(1/2x)-2#?
  
• Question #1bb51
  
• Question #25d56
  
• How do you determine the quadrant in which #-(11pi)/9# lies?
  
• How voltage and current increase and decrease in a transformer .I have been reading in text book that when current increases the voltage will decrease?.plz someone explain it in detail....
  
• Question #65ee0
  
• Objects A and B are at the origin. If object A moves to #(6 ,7 )# and object B moves to #(-1 ,3 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
  
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