Answers created by ali ergin

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• What will the change in energy of a capacitor when its voltage is increased by20% a, 22%b, 44%, c33% d 55%?
  
• How much momentum does a #1 kg# object moving at #10 m/s# have?
  
• How do you solve the following system: #x+3y=-2, 5x + 2y = 5 #?
  
• A) determine all the forces on the block. Show all your work B) determin µk, show all your work . PLEASE HELP ?
  
• Why is the answer to the below question B not C?
  
• Wether displacement is a scalar or vector?
  
• Electrostatics question?
  
• A triangle has corners A, B, and C located at #(8 ,7 )#, #(4 ,5 )#, and #(6 , 7 )#, respectively. What are the endpoints and length of the altitude going through corner C?
  
• How can I calculate the magnitude of displacement?
  
• If the mass of a balloon is 300 kg and the lift force provided by the atmosphere is 3300 N, what is the net force on the balloon?
  
• An airplane flies with a velocity of 750 kilometres per hour, 30.0°south of east . What is the magnitude of the eastward component of the plane's velocity?
  
• Electricity problem..... please can you solve this...?
  
• The figure shows three circuits I, II and III which are connected to a 3V battery. If the powers dissipated by the configurations I, II and III are P 1 , P 2 and P 3 respectively, then =?
  
• The vector sum of the forces of 10N and 6N can be?
  
• A convex mirror of focal length 10cm is kept at a distance of 30cm front of a 4cm high object.Find the height of the image of the object?
  
• A particle has an initial position vector of (−11 i + 15 j) m with respect to an origin O. If the particle moves with a constant velocity of (−10 i − 14 j) m/s, what will be its position vector after 9 seconds?
  
• A person walks 25.0° north of east for 3.10 km. How far due north and how far due east would she have to walk to arrive at the same location?
  
• Two similarly charged spheres A and B separated by a distance 'r' with force of 2×10^-5N. A third identical uncharged sphere C is touched to A and then placed between a mid point of A and B. Calculate net electrostatic force on C?
  
• What is the wavelength (in cm) and the period (in seconds)?
  
• The gas inside of a container exerts #42 Pa# of pressure and is at a temperature of #420 ^o K#. If the pressure in the container changes to #72 Pa# with no change in the container's volume, what is the new temperature of the gas?
  
• What's the force on charge Q3? Thank you!
  
• Center of Mass and Linear momentum Problem?
  
• How do you verify the identify #sintheta/csctheta=sin^2theta#?
  
• How do you solve #6x^2 + 24x = 0 #?
  
• Question is shown below?
  
• What is the landing location of the projectile and its speed of impact?
  
• If capacitance of capacitor in ac circuit is increased 3times its initial value then capacitive reactance will decrease or increase and how many times?
  
• A 23.9 #kg# mass has a #3i-2jm/s# velocity and a 21.3 #kg# mass has a #3i-10jm/s# velocity. What is the magnitude of the total momentum of the two masses?
  
• Kinematics: Would you help me find the solution?
  
• If the faster stone takes 10 seconds to return to the ground, how long will it take the slower stone to return?
  
• An object with a mass of #2 kg# is on a plane with an incline of #pi/8 #. If the object is being pushed up the plane with # 8 N # of force, what is the net force on the object?
  
• Question #26240
  
• 2 vectors. 1st one is 6 meters. The other one has is 4 meters. By adding them together I want a module of 3 meters. What should the angle between those modules be? The answer is 153 degrees but I have no idea how to get to that answer. Thank you!
  
• A 6 kg shell is fired with a 30° angle,v= 40 m/s. At the highest point it devides into 2 parts,one 2 kg and the other 4 that move in the horizontal line and 2 kg hits the ground at the start point.where the 4 kg piece hits the ground?
  
• How to solve? Help please!
  
• A particle of mass m strikes a wall at an angle of incidence 60° with velocity V elastically. Then the change in momentum is?
  
• A bicycle wheel has an outside radius of 35.0 cm. If the bicycle is traveling at a speed of 30.0 km/h, what is the period of rotation of the wheel?
  
• Question #4d3b4
  
• A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 657 m/s. The gun is pointed directly at the center of the bull's-eye......?
  
• If the x component of a vector a ,in the xy plane , is half as large as he magnitude of the vector , find the tangent of the angle between the vector and the x axis ?
  
• Question #88f22
  
• Question #bfdb4
  
• Question #d3daf
  
• Question #47c4f
  
• Answer the question 1. the figures show " the image of clocks " in a mirror . for each case find the right time.?
  
• Physics: A car....?
  
• Question #626cb
  
• Help with solutions! Help please? Thanks
  
• Does a man do work when he carries a 75 N bag horizontally for 5 m? Why / why not?
  
• Question #6f780
  
• Physics Vectors Help!!! Am I supposed to somehow use the Pythagorean theorem to answer this? I've tried multiple times to answer, but what is the best way to solve this sort of problem???
  
• A triangle has corners at #(9 ,7 )#, #(2 ,1 )#, and #(5 ,2 )#. What is the area of the triangle's circumscribed circle?
  
• Question #3a7b1
  
• Question #7ad24
  
• Question #e0ae2
  
• Question #c62ee
  
• Question #9564f
  
• The resultant vector of two other vectors is 10 units long and forms an angle of 35° with one of the component vectors, which is 12 units long. Find the magnitude of the other vector and the angle between the two?
  
• Find the angle between two vectors, 10 and 15 units long, when their resultant is (a) 20 units long and (b) 12 units long. Draw the appropriate figure?
  
• How can I calculate maximum velocity in simple harmonic motion?
  
• In the figure above, knowing that K = 9 x109 Nm2 /C2, Find? a) F13 (force of Q1 on Q3) b) F23 c) The net force (Fnet) on Q3
  
• Question #0a3d8
  
• Question #efa25
  
• The velocity of a freely falling body increases or decreases with time?
  
• Question #b60ee
  
• Help please?!
  
• Hello.. I really need help with this Physical question, please, thank you?
  
• Question #c98e0
  
• Two point charges are 10.0 cm apart and have charges of 2.0 #muC# and -2.0 #muC#, respectively. What is the magnitude of the electric field at the midpoint between the two charges?
  
• Question #b1ccd
  
• Question #a46f1
  
• Question #06902
  
• Question #be4f4
  
• Question #c56fe
  
• Question #9ef86
  
• How do you solve #\frac { 3} { n } + \frac { 3} { n ^ { 2} - 5n } = \frac { 1} { n ^ { 2} - 5n }#?
  
• Question #25dff
  
• Question #f0ab4
  
• Question #a451b
  
• How do you simplify #frac{x^{2}+2x-80}{x^{2}-100}\cdot \frac{x^{2}-9x-10}{x^{2}-4x-32}#?
  
• Question #667fd
  
• Question #daa19
  
• A #5# #kg# red toy car is moving right at #10# #ms^-1# when it collides with another #10# #kg# green car moving left at #10# #ms^-1#. What is the velocity of the red car after the collision?
  
• Two charges of # 3 C # and # -1 C# are positioned on a line at points # 6 # and # 5 #, respectively. What is the net force on a charge of # 2 C# at # -2 #?
  
• What is the equivalent resistance of the circuit?
  
• Question #d502f
  
• What is the vertex form of #y= 5x^2 + 22x + 8 #?
  
• A projectile is shot from the ground at an angle of #pi/4 # and a speed of #8 m/s#. Factoring in both horizontal and vertical movement, what will the projectile's distance from the starting point be when it reaches its maximum height?
  
• How do ground wires protect us?
  
• Question #77b73
  
• If you stand 3.0 m in front of a flat mirror, how far away from you would your image be in the mirror?
  
• If you want to lift a 5-kg box to a height of 2 meters, how much work must be done?
  
• A projectile is shot at an angle of #pi/8 # and a velocity of # 8 m/s#. How far away will the projectile land?
  
• A current of 4.83 A in a long straight wire produces a magnetic field of 1.15 #mu#T at a certain distance from the wire. What is this distance?
  
• Question #06b72
  
• Question #230b8
  
• Question #794d3
  
• Question #2ddeb
  
• Question #f55c0
  
• What is the vertex of # y= (x-3)^2-4x^2-x+4#?
  
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