a force of 65 N is needed to start a 8 kg box moving on horizontal surface.  calculate the coefficient of static friction?

Q: An electric field of magnitude 5.25 x 105 N/C points due east at a certain location. Find the…

A: Given data: Electric field (E) = 5.25×105 N/C, due East Charge (q) = -4.10 μC Required: The…

Q: Two capacitors are connected in series between the terminals of a 10.0-V battery. If their…

A: Given data: The voltage, △V=10.0 V The capacitance, C1=40.0 μF The capacitance, C2=43.5 μF The…

Q: 2- A velocity vector is 20 m/s South 60° East. What are the components of this vector

A: Given:  Velocity vector: 20m/s South 60∘ East. To determine: Components of vector

Q: Two identical point loads are aligned horizontally. The load on the right is attached to a support…

A: Given, Distance between charges (r)= 50cm  Charges on loads (q)= 1µC  Mass of loads (m) = 2g = 0.002…

Q: Explain how a mass at rest and a mass in motion (constant velocity) can have the same Force…

A: When the mass is at rest condition, the acceleration of the mass will be zero. a=0

Q: A white billiard ball with mass mw = 1.29 kg is moving directly to the right with a speed of v =…

A:

Q: At one instant an electron is moving in the positive x direction along the x-axis in a region where…

A: we know that If a charge moves into a magnetic field with direction perpendicular to the field, it…

Q: a)    6.33  106 electrons and 7.71  106 protons  1.2688e-12 What is the charge of an electron? What…

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Q: omeone is standing on a scale inside an elevator. When the elevator is accelerating upward, the…

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Q: A sample containing 1.1 moles of an ideal monoatomic gas is held at a constant volume within a…

A:

Q: A small piece of foam has a mass of 3.56 g and a charge of -17.8 µC. It levitates, motionless, when…

A: Given data: Mass of the foam, m=3.56 g=3.56×10-3 kg Charge of the foam, q=-17.8 μC=-17.8×10-6 C

Q: 11. A youngster hits a baseball, giving it a velocity of 22 m/s at an angle of 62° with the…

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Q: The physical pendulum in the figure has two possible pivot points A and B. Point A has a fixed…

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Q: 12x10-5W of sound power passed through the surfaces labeled 1 and 2. The areas of these surfaces are…

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Q: An insect 1.5 mm tall is placed 1.0 mm beyond the focal point of the objective lens of a compound…

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Q: A long, straight wire is surrounded by a hollow metal cylinder whose axis coincides with that of the…

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Q: What are some advantages of radio telescopes over optical scopes?  Explain how adaptive optics can…

A: Telescopes:- An instrument used to see the distant object is a telescope.  Using a telescope will…

Q: Selected astronomical data for Jupiter's moon Adrastea is given in the table. From these data,…

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Q: a) What is the energy (in J) stored in the 18.0 µF capacitor of a heart defibrillator charged to…

A: Data We have Capacitance, C=18.0 µF=18×10-6F Voltage,v= 6.40 ✕ 103 V

Q: mly charged rod of length L and total charge Q P d L (a) Find the components of the electric field…

A: Solution

Q: 5 - Give two real-life examples each of motion with uniform velocity and motion with non-uniform…

A: Examples of uniform velocity are: 1. a car moving at 10km/hr, covering equal distances in equal time…

Q: The experimental technique for measuring the coefficient of kinetic friction requires that a…

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Q: A particle has a mass of 1.6E-27 kg and it travels at a speed of 0.872c, where c is the speed of…

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Q: After the Sun exhausts its nuclear fuel, its ultimate fate may be to collapse to a white dwarf…

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Q: What is remanent magnetism? How can it be used to track the movement of continents over time?

A: Magnetism:- The force that magnets use to either attract or repel one another is known as…

Q: E An aluminum block of mass my 4,05 kg and a copper block of mass m₂ 7.35 kg are connected by a…

A:

Q: Hello, I need help with part B please.

A: Given data-  A variable resistor R is connected across the terminals of a battery, and given a graph…

Q: A4 resistor is connected in series with the parallel assembly of 3 2 and 6 resistors. The current…

A:

Q: 3. A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A…

A: Steady temperature: Although the concepts of thermal equilibrium and "steady-state temperature" are…

Q: FN Far app F The object shown is sitting on a horizontal surface and has a mass of 220 kg. If a…

A:

Q: A student weighs 150 lbs and walks up a set of stairs from the first floor to the second floor of…

A: mass (m) = 150 lb time (t) = 20 second

Q: A block of mass 4.55 kg is pushed up against a wall by a force P that makes an angle of 8 = 50.0°…

A:

Q: A Spring with a Hooke's law constant of K N/m and an unstretched length of 1 cm is hung vertically…

A: Given: Spring constant k=32N/m Length L=22cm=0.22 m  Maximum displacement Y =38 cm

Q: The ball B shown in the figure has a mass of 1.5 kg and is suspended from the ceiling by a 1 m long…

A: Given that this problem has 3 part as a) Conservation from energy from start to impact b) impact…

Q: Transverse waves travel on each string of an electric guitar after the string is plucked. The length…

A: Length of each string, L=0.628 m Mass of the high pitched E string, m1=0.208 g Mass of the low…

Q: 2. Calculate the 20 values in the X-ray diffraction spectrum for the following crystallographic…

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Q: Calculate the volume needed to dispense a 21 mCi dose from a Tc-99m DTPA vial containing 400 mCi in…

A: Given, Tc-99m DTPA vial contain 400 mCi in 6 ml.

Q: Q5] What is the equivalent resistance for these 3.00 resistors shown below 392 39 392 392 b

A: The upper resistors 3 ohm, 3 ohm, and 3 ohm are connected in series. The equivalent resistance is…

Q: test charge of +5 µC is placed halfway between a charge of +6 µC and another of +7 µC separated by…

A: Given: The charges are +6 µC and +7 µC. The test charge is +5 µC. The separation between charges is…

Q: A transformer has 800 turns on the primary coil and 24,000 turns on the secondary. If the input…

A: Given data:  Number of turns on the primary coil (N1) = 800 Number of turns on the primary coil (N2)…

Q: a. Construct the system of three equations Equation 1 (KCL) : I3 = I1 + I2 Equation 2 (KVL): b.…

A: The circuit can be modified as: It is required to create equations using KVL and KCL.

Q: gas is (a) Find the rate of change volume with respect pressure. - (b) A sample of gas is in a…

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Q: 5) John kicks the ball and ball launches with an angle of 53° to horizontal. If it's initial…

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Q: Two identical conducting spheres each having a radius of 0.500 cm are connected by a light 2.20 m…

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Q: An alpha particle has a mass of  6.4E-27kg is propagating at relativistic speeds and has an energy…

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Q: A 7.31-nC charge is located 1.82 m from a 4.42-nC point charge. (a) Find the magnitude of the…

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Q: You want to visit your friend in Seattle and decide to take the train. Unfortunately, you are late…

A: Given, Train is at a Distance(d)= 30m from me

Q: Consider the following figure. (Assume V = 34.0 V, R₁ = 2.00 2, and R₂ = 6.18 2.) R₁ www V 3.000 Σ…

A:

Q: Find the electric flux through the surface in the figure below. Assume all charges in the shaded…

A: Given data: The surface contains 3 changes inside it q1 = - 3C q2 = 2 C and q3 = -5C And three…

Q: formation of rainbow in the sky with the help of a diagram. List the three phenomena involved in…

A: Formation of rainbow in the sky

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: