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Q: An emf of 121.5 mV is induced in the windings of a coil when the current in a nearby coil is increas...

A: The formula for the induced emf in term of mutual inductance is:

Q: The speed of a transverse wave on a string is 461 m/s, while the wavelength is 0.167 m. The amplitud...

A:

Q: At given instant, the blood pressure in the heart is 1.4 x 104 Pa. If an artery in the brain is 0.36...

A: Let the pressure inside the heat is denoted by PH and the pressure in the artery d distance above is...

Q: In this challenge, you ask you to consider the forces applied to the shoulder in the process of thro...

A: for the bowling ball, the mass is greater as compared with the soft ball and hence the stress on the...

Q: The switch in the figure has been in position 1 for a long time. It is changed to position 2 at t = ...

A: a)Charge on the circuit will be,

Q: The volume control on a surround sound amplifier is adjusted so the sound intensity level at the lis...

A: Relation between sound in decibel (dB) and sound intensity is:

Q: Water vapor at 100 degrees Celsius is put in contact with ice at 0 degrees Celsius and this mixture ...

A: a)The equation from heat transfer is,

Q: A 5 kg hoop (I=MR2) with a radius of 2 m is placed at the top of a hill that is 8 m high. There is j...

A: Using conservation of energy,

Q: sir please solve this question sir i want this answer?

A: The given function can be written as,

Q: Explain main points of inverse square law?

A: Inverse square law is the principle in physics that the effect of certain forces on an object varies...

Q: 1. A charged particle moves parallel to a current carrying wire. The charge is positive, and it feel...

A: Charge particle moves parallel to current carrying wire and charge experiences a repulsive force.

Q: As you are riding in a 1650-kg car, you approach a N7M.8 hairpin curve in the road whose radius is 5...

A:

Q: If 1500J of heat is absorbed by 2kg of iron and the same amount of heat is absorbed by 2kg of water ...

A: Given:Heat absorbed by iron and water = 1500 JMass of iron and water = 2 kgSpecific heat of iron = 0...

Q: The entropy of a block of ice increases by 75 J/K as it warms from -33 degrees Celsius to 0 degrees ...

A:

Q: 5. I have a copper ring that I move from a region with no magnetic field into a strong magnetic fiel...

A: Before entering the magnetic field, there is no induced emf, thus the direction of the induced curre...

Q: Using the formula for gravity, find the force of gravity on a 0.50-kg mass at Earth's surface. (The ...

A: Gravitational force between Earth and the mass is,

Q: An insulated beaker with negligible mass contains liquid water with a mass of 0.310 kg and a tempera...

A: The expression for the mass of ice from heat transfer equation is,

Q: A 9.20 kg rocket produces a thrust of 190 N. The rocket is pointed upward and the bottom of the rock...

A: Work done in stretching the spring will be,

Q: Why our mass changes when we travel in elevator?

A: Mass is quantity of matter , it remains the same .Weight the person measured in a accelerating eleva...

Q: A metal plate 4.00 mm thick has a temperature difference of 32.0 °C between its faces. It transmits ...

A: The thermal conductivity of the metal is,

Q: Two blocks with masses M1 and M2 are connected by a massless string that passes over a massless pull...

A: given:mass M1 = 2.25 kgmass M2 = 6.15 kginclined angle θ1 = 43.5ºinclined angle θ2 = 31.5ºcoefficien...

Q: One of the dangers of tornados and hurricanes is the rapid drop in air pressure that is associated w...

A: We know,            1atm = 101325 N/m2

Q: 119. As a thrown baseball is acted on by air friction, the thermal energy of the ball (1) decreases ...

A: Kinetic energy decreases over time as frictional force due to air acts on it.

Q: A small object of mass 4.00 g and charge  −17.3 μC  is suspended motionless above the ground when im...

A: Since the object is motionless, the net force on it must be zero. The forces acting on the object ar...

Q: Two blocks of masses M1 and M2 are connected by a massless string that passes over a massless pulley...

A: Draw the free body diagram for masses M1 and M2 as shown belowFor mass M1

Q: Two children play a balance game. A 4-meter long board is placed atop a fulcrum (the triangel on the...

A: Given information:Length of the beam (L) = 4 mWeight of the child standing at the far end (w1) = 300...

Q: You put a bottle of soft drink in a refrigerator and leave it until its temperature has dropped 13.0...

A: Given data:Change in temperature = 13.0 k

Q: A thin uniform rod has a length of 0.480 m and is rotating in a circle on a frictionless table. The ...

A: Given information:Length of the rod (l) = 0.480 mInitial angular velocity of the rod (ω1) = 0.42 rad...

Q: For a thin sheet of material having a shape of a quarter of a disk and a у constant surface density ...

A: Given information:The mass density of the sheet = σ0Radius of the quarter circle = R

Q: (a) Determine the electric field strength at a point 1.00 cm to the left of the middle charge shown ...

A: Given charges are

Q: A uniform solid disk rolls without slipping down an incline making an angle θ with the horizontal. W...

A: Given:A uniform solid disk rolls without slipping down an incline making an angle θ with the horizon...

Q: How much energy needs to be added in the form of heat to turn a 50 kg block of ice at -20 deg C into...

A: We know:

Q: In England in the Middle Ages an extensive system of canals was used for transportation. Some of the...

A: According to the Archimedes Principle it can be understood that the weight of the water displaced wi...

Q: More help on newton's laws physics pulley problems. Can't seem to figure out the equations on this o...

A:

Q: Why a ball bounces more high at heights?

A: As we know that the Gravitational force is increctly proportional to square of the distance from the...

Q: If the magnitude of B increases while the direction remains unchanged how will the magnetic flux thr...

A: Step 1:The change in the magnetic flux through the coil due to change in magnetic field is one of th...

Q: A 7100-kg railroad car travels alone on a level frictionless track with a constant speed of 16.0 m/s...

A: Given information:Mass of the rail road car (mr) = 7100 kgInitial speed of the rail road car (ur) = ...

Q: If an alternator coil is 13 cm in diameter and is spinning at 1150 revolutions per minute in a 0.13 ...

A: Using Faraday’s law, the emf induced is,

Q: The bends during flight. Anyone who scuba dives is advised not to fly within the next 24 h because t...

A: Let P1 be the pressure at the depth h1 inside the sea and P2 be the pressure at an altitude h2 from ...

Q: Can you solve this and show steps? Also, what would be the direction of vector A x B be in the x-dir...

A:  (a) Write the expression for vector product of A and B

Q: a rocket initially at rest, is fired vertically with an upward acceleration of 10ms/s. at an altitud...

A: In the provided question the motion of the rocket is divided into 2 parts.Part 1. The motion of the ...

Q: A uniform magnetic field that we control points out of the page, as shown in the diagram, and change...

A: Consider a loop with radius r having resistance R is placed in the changing magnetic field pointing ...

Q: How do you approach solving pulley problems with multiple objects, like the one in the attached pict...

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not mentione...

Q: Inside a vacuum tube, an electron is in the presence of a uniform electric field with a magnitude of...

A: (a) The magnitude of the acceleration of the electron is

Q: Consider the following. n + 235U → 88Kr + 144Ba + 4 n (a) Calculate the energy (in MeV) released i...

A: a)Energy released in nuclear fission is,

Q: A dentist wants a small mirror that, when 2.60 cm from a tooth, will produce a 5.0× upright image. W...

A: To get an upright image, convex mirror should be used.The image distance is

Q: A stockroom worker pushes a box with mass 11.4 kg on a horizontal surface with a constant speed of 2...

A: The horizontal force must the worker apply to maintain the motion of the box should be equal to the ...

Q: An electric field of magnitude 5.25 ✕ 105 N/C points due north at a certain location. Find the magni...

A: The equation for the electric force is given by

Q: A 50 kg skier is going down a slope oriented 26 degrees above the horizontal. The area of each ski i...

A: The pressure is

Q: Question 122

A: The force of friction between the crate and the floor is