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Q: Can you help me solve a simple circuit. I'm having trouble finding the current and voltage drop acro...

A: Equivalent resistance is,

Q: A light spring of constant 165 N/m rests vertically on the bottom of a large beaker of water.A 4 kg ...

A: The spring force,

Q: A block with mass M = 5.90 kg is sliding in the positive x-direction at Vi = 8.00 m/s on a frictionl...

A:

Q: 5. Near the surface of Earth an electric field points radially downward and has a magnitude of about...

A: (a) The free body diagram shows the penny rises in the air.

Q: For each exercise, identify the error(s) in planning the solution or solving the problem. Th en writ...

A:

Q: Lecture notes not hw it's just example

A: For a uniformly charged disk, the surface charge density is The differential area of the disk is gi...

Q: A thin semicircular wire has charge per unit length λ. Calculate the electric field at the point P (...

A: The electric field due to the small length of semicircle is given as

Q: A woman holds a book by placing it between her hands such that she presses at right angles to the fr...

A: Static friction,

Q: A pendulum of length L = 1.0 meter and bob of mass m = 1.0 kg is released from rest at an angle θ = ...

A:

Q: Lecture 3 example electric flux

A:

Q: 6. A sphere of negligible size has a charge of +190 nC and is placed at the origin of a coordinate s...

A: (a)  E is the direction of the electric field, since the charge on the particle is positive so, the...

Q: You are driving your car uphill along a straight road. Suddenly, you see a car run a red light and e...

A: The work performed by the gravity is, The work done by the frictional force by the length of the sk...

Q: PRACTICE IT Use the worked example above to help you solve this problem. An pickup truck with mass 1...

A: Given information: Mass of the car (mc) = 9.48 ×102 kg The initial velocity of the car (vc) = 5.44 m...

Q: A ball is thrown from a rooftop with an initial downward velocity of magnitude vo = 1.9 m/s. The roo...

A: In the problem, it is mentioned that upward direction is taken as positive and downward direction as...

Q: You observe the H-alpha line of Hydrogen in a distant galaxy to have a wavelength of 918.4  nm. What...

A: The observed wavelength of a H-α line is 656.28nm. The radial velocity is given by

Q: Assume the three blocks m1 = 1.0 kg, m2 = 2.0 kg m3 = 3.5 kg portrayed in the figure below The coeff...

A: Given: m1 = 1.0 kg, m2 = 2.0 kg, m3 = 3.5 kg. coefficient of friction µ = 0.25 force F = 40 N

Q: Speed A boat heads directly across a river 260 m wide. It takes it 490 seconds to cross, but it ends...

A: The width of the river is 260m. Time taken is 490s Distance travelled downstream is, 120m. Thus the ...

Q: 1. Three particles, a, b, and c, enter a magnetic field as shown in Fig. below. What can you say abo...

A:

Q: (a) How much charge can be placed on a capacitor with air between the plates before it breaks down i...

A: The equation for the maximum charge that can be placed on the capacitor is given by,

Q: A closed system consists of 2 objects. Object A has a momentum of 57kgm/s North and object B has a m...

A: Let the north direction is taken as positive and south direction as negative. Write the momentum con...

Q: Particle A moves along the line y = 30 m with a constant velocity vector v of magnitude 3.0 m/s and ...

A: Given, y = 30 m  v = 3.0 m/s  a = 0.40 m/s2 initial velocity of the particle B,  vi = 0 

Q: Two resistors, 61.4 and 83.5Ω, are connected in parallel. The current through the 83.5-Ω resistor is...

A: The given values are,

Q: QUESTION IS IN THE PICTURE   Object A experiences the force for _______ amount time compared to obje...

A:

Q: If it requires 9.0 JJ of work to stretch a particular spring by 2.0 cmcm from its equilibrium length...

A: Write the expression for the work done by the spring.  

Q: 5. Hummingbirds can pick up static charge as they fly either from the air or from interactions with ...

A:

Q: A current of 81.8 mA exists in a metal wire. (a) How many electrons flow past a given cross-section ...

A: Given, Current through the wire,   Time interval,  

Q: A 5.0 kg mortar shell is fired at an angle of 35 degrees with respect to the horizontal and has an i...

A: The maximum height of the mortar shell is

Q: Briefly discuss: can a convex mirror or diverging lens ever produce a real image? If not, why not; i...

A: Convex mirrors and diverging lenses can’t produce a real image.

Q: The electric field 1⁄4 of the distance from qA to qB has a magnitude of zero. What must be true abou...

A: Given that magnitude of electric field is zero at a distance of  from charge  to  . Let this point b...

Q: please help me. double and triple check your answers, previous tutors got it wrong. there are 2 part...

A: Given: the weight of the woman (m) = 54 kg.  

Q: 10. A man with refractive myopia cannot see objects clearly if they are further away than 10 m. In o...

A: From lens formula, the focal length is, Negative sign indicates the lens is diverging lens.

Q: A block with a mass of m = 1.5 kg rests on a wooden plank. The coefficient of static friction betwee...

A: Gravitational force is acting straight downwards, normal force is acting perpendicular to the inclin...

Q: 4) (a) Find the equivalent resistance between point a and b. Ω(b) If a voltage of 51.3 V is applied ...

A: Given Voltage V - 51.3 V R1 = 12 ohm R2 = 6 ohm R3 = 5 ohm R4 = 4 ohm R5 = 8 ohm

Q: Please find the question attached.

A:

Q: Use the worked example above to help you solve this problem. In a crash test, a car of mass 1.59  10...

A: (a) The formula used for the impulse is  I = Change in momentum  I = m ( v - u)  where, m is the mas...

Q: How many shells are represented in the presently known periodic table?

A: Shell is like an orbit, around which the electron’s orbit. The shells correspond to the principal qu...

Q: The emf of a particular battery is 45V and the internal resistance is r=7Ω. When attached to load re...

A: a) The required terminal voltage is,  

Q: You have one kilogram of feathers and one kilogram of lead. Which has the smallest density?

A: Answer Feathers

Q: Transformers (cont.) Part E- The primary coil of a transformer has 200 turns and the secondary coil ...

A: Since the efficiency is not given, it is considered to be 1

Q: The angular speed of a rotating platform changes from ω0 = 3.6 rad/s to ω = 6.4 rad/s at a constant ...

A: Write the expression for centripetal acceleration.

Q: We started this problem in class but didn't finish due to time, I just need to know what's the proce...

A:

Q: In Fig. 6, after switch S is closed at time t = 0, the emf of the source is automatically adjusted t...

A: Let i be the current drawn from the constant current source, i1 be the current in the resistor and i...

Q: A block of mass m1 = 1.57 kg, initially moving to the right with a velocity of +3.69 m/s on a fricti...

A:

Q: A toy car having mass m = 1.35 kg collides inelastically with a toy train of mass M = 3.80 kg.  Befo...

A: Given: mass of toy car m = 1.35 kg mass of toy train M = 3.8 kg before the collision, the velocity o...

Q: A ball weighning 100N is suspended from a system of chords. What are the tensions in the horizontal ...

A: Tension on the angled cord is,

Q: An observer on the earth sees a spaceship approaching at 0.52c. The ship then launches an exploratio...

A:

Q: A 10.6 g wire of length 84.8 cm is suspended by a pair of flexible leads in a uniform magnetic field...

A: Assume that the magnetic field is perpendicular to both the length of the wire and the paper.  The t...

Q: Two point charges, +4.00 μC and -8.10 μC, are separated by 3.30 m. What is the electric potential mi...

A: The distance between the two charges is one half between them,

Q: Two blocks slide on a collision course across a frictionless surface, as in the figure. The resultin...

A: Using the conservation of momentum along the X axis.

Q: Suppose a flat piece of plastic of uniform density ρ is in the shape of a right triangle. The legs o...

A: The center of mass of the triangle will be at the centroid. The equation for the x-coordinate of the...