Where should the mother position the child of weight W to balance the seesaw now? Express your answer in terms of L2, L3, W, and w.

Q: Find the electric field at the point P along the perpendicular bisector of the line joining the two…

A:

Q: A mass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. Initially, the…

A: Given,  Weight attached to spring = 24 pounds Acceleration due to gravity = 32 ft/s2 We need to…

Q: For parallel plate conversions Part A. Why are the equipotental surfaces equally seperated PartB.…

A: A. Equipotential surfaces are surfaces where the potential is equal at all points on the surface. In…

Q: 73. You and your bicycle have combined mass 80.0 kg. When you reach the base of a bridge, you are…

A: Write the given values with the suitable variables. m=80 kgu=5 m/sv=1.5 m/sh=5.2 m Here, m, u, v,…

Q: #3) Draw the position as a function of time graph for an object that has started out with an initial…

A: Given:  Initial Position = positive value = x0 Initial velocity = Negative value = -v0 Acceleration…

Q: (Figure 1)A slab of insulating material of uniform thickness d, lying between -d/2 to +d/2 along the…

A:

Q: To recharge a 12.0 V battery, a battery charger must move 4.24x105 C of charge from the negative…

A: Given:potential difference, V= 12.0 Vamount of charge transferred, Q = 4.24×105 CAsked:To find work…

Q: You are 6 meters away from a wall. You throw a ball at a 45 degree angle. Assuming that there is no…

A: To solve this problem, we need to use the equations of motion for projectile motion. Since there is…

Q: What if the block were released from the same initial position, Xo = 5 cm, but with an initial…

A:

Q: alculate the mass (in g) of steel balls used in rolling bearings. The diameter of the ball is…

A: According to the question  d=20mm density =490lbm/ft3 we need to find Mass of the steel ball

Q: Consider a closed triangular box resting within a horizontal electric field of magnitude E = 6.38 x…

A: The magnitude of the electric field is E=6.38×104 N/C

Q: Two charges are repelled by a force of 6.0N. If the distance between them doubles, what is the force…

A:

Q: Draw the electric field lines and equipotential lines for an electric dipole.

A: Electric field: An electric field is a physical field that surrounds electrically charged particles…

Q: vx (cm/s) 60 30 0 -30 -60 3 6 9 9 -t(s) 12

A:

Q: Consider the following motion: The cart's initial position is the bottom of the track. You give it a…

A: Given:The ramp is inclined at an angle, θinitial position is at the bottom of the tracklet the…

Q: There is approximately 1.33*10^19 kg of the element sodium in the world's oceans. All the rivers add…

A:

Q: e. e= (17×10)-(33×10) 1.7 × 10³ J

A:

Q: er radii, respectively, with a point charge at its center. The surface he surface charge density on…

A:

Q: Seatwork No. I A rock is thrown vertically downward with a speed of 20.0m/s from the top of a tower.…

A: Givenu=20 m/sa=g=9.81 m/s2t=2.5 sa.s=ut+12at2  =20×2.5+12×9.81×2.52  =80.66 m

Q: A charge of +122 µC is fixed at the center of a square that is 0.44 m on a side. How much work is…

A: Given value--- q1 = 122 micro C.  side of square = 0.44 m. q2 = 8.6 micro C.  We have to find---…

Q: (a) Find the charge on the capacitor in coulombs. 3.30-5 (b) What voltage battery would be required…

A: Given value--- capacitance = 5.75 micro C.  V = 5.75 V. We have to find--- (a) Find the charge on…

Q: A moving particle encounters an external electric field that decreases its kinetic energy from 9040…

A: According to the question KA=9040 eV KB=6590 eV VA=-55V VB=+15V We need to find Charge of the…

Q: A charge of (micro) 10.0 mC is placed on a corner of a cube. The flux through one of the sides…

A:

Q: A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the…

A:

Q: Calculate the fractional (relative) uncertainty in (0.03 ± 0.04)cm. Report your answer up to two…

A: Given 0.03±0.04 We have to calculate the fractional uncertainty.

Q: magnitude and direction of the electric field

A: Given: Three charges along a line. Let the charges are q1=-12 μC, q2=-5 μC and q3=-12 μC A point P…

Q: (a) Determine the slope of the graph. (b) What physical quantity does the slope represent?

A:

Q: 1. A particle with charge q₁ = +5.1 μC is located at (x=0,y=0). A second particle with charge q2 =…

A: GIVEN                q1=+5.1μC located at (x=0,y=0)               q2=-8 μC located at (x=0,y=4 cm)…

Q: In the diagram at the left you will need to decide which switches to close to allow different…

A: A.if we close switch A,C,Fthen only resistor 1 will have current in it.B.if we close only switch B,…

Q: An electron and a proton, starting from rest, are accelerated through an electric potential…

A: Both are accelerated through an electric potential difference of the same magnitude.   Speed…

Q: What is the terminal velocity for the light rain with a drop size of 0.6mm at sea level.

A:

Q: A 3.5 N cube of a foam material is able to float with only a small fraction of its volume submerged…

A: Given:-  The weight of the cube is W = 3.5 N  The density of the water is ρw= 1000 kg/m3 The foam…

Q: .. A 2.0-µC point charge and a 4.0-uC point charge are distance L apart. Where should a third point…

A: Given value-- q1 = 2 micro C.  q2 = 4 micro C.  distance between q1 and q2 = L . We have to…

Q: Two particles with charges +8e and -7e are initially very far apart (effectively an infinite…

A: Given, The charge is given as:  q1=+8e q2=-7e The distance is, r=7.70×10-10 m

Q: 3. A 692 and a 120 resistor are connected in series with a 36 volt battery,. How many Joules per…

A:

Q: Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 67.0 degrees.…

A:

Q: block-and-tackle pulley hoist is suspended in a warehouse ropes of lengths 2 m and 3 m. The hoist…

A:

Q: Four point charges, two positive charges on the x-axis and two negative charges on the y-axis, are…

A: Given that, There are two positive charges and two negative charges. Where the positive charges are…

Q: An 18-year-old runner can complete a 10.0-km course with an average speed of 4.51 m/s. A 50-year-old…

A: Given value--- distance = 10 km speed of 18 year old runner = 4.51 m/s. speed of 50 year old runner…

Q: X-component of the electric field

A: Given: Two charges as q1=1×10-7 C and q2=3.2×10-7 C A point A having coordinates 0,3 cm Position…

Q: 3) Skid Infinite Black Pit Mitch Skid of 40 kg and Mitch of 60 kg are standing on ice on opposite…

A: Given:-  The mass of the skid is m = 40 kg  The mass of the Mitch is M = 60 kg  The Skid and Mitch…

Q: How long does it take the block to reach the ground

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Consider a closed triangular box resting within a horizontal electric field of magnitude E = 6.62 x…

A:

Q: What is the magnitude of a point charge in coulombs whose electric field 55 cm away has the…

A: Given:  Electric field of point charge E= 1.7 N/C the point charge is away about r= 55 cm= 0.55 m…

Q: Each of the images below represents a plot. The horizontal axis on each plot represents time. The…

A: Different graphs are given in which the time is plotted along x axis and the quantity plotted along…

Q: The two 3.6° wedges shown are used to adjust the position of the column under a vertical load F of…

A: hi

Q: Some caterpillars, when under attack by birds, emit high-pitched whistles by sharply forcing air…

A: Given this is the case of open organ pipe  speed of the sound v=340m/s From the graph we can see…

Q: Calculate the magnitude and direction of the vector Δv.   h) Finally, write the vector Δv in terms…

A:

Q: 0) A dump truck fully loaded weighs 74,000.0 pounds (33.6x103 kg). The dump truck is initially at…

A:

Q: A particle has a mass of 1.8 x 10-5 kg and a charge of +3.0 x 10-5 C. It is released from point A…

A: