12V 3V ww

Q: A 320-N child is in a swing that is attached to a pair of ropes 1.90 m long. Find the gravitational ...

A: The gravitational potential energy of the Child-Earth system relative to the child’s position is

Q: Two objects have a linear charge density, each is length 10 cm, one has total positive charge +Q, th...

A:

Q: What is the speed of each vehicle before the collision? (Ignore friction)

A: Given: mass of subcompact car m = 850 kg. mass of pickup truck M = 1800 kg. the velocity of both veh...

Q: 1. Why were the main reasons why the idea that the Earth was at the center of the universe lasted so...

A: Since there are multiple questions, aas per guidelines,  the first question has been answered.

Q: A worker at the top of a 390-m-tall television transmitting tower in North Dakota accidentally drops...

A: According to the conservation of energy, the total energy of the tool must be conserved. Take the gr...

Q: A long ramp made of cast iron is sloped at a constant angle θθ = 52.0∘∘ above the horizontal. Small ...

A:

Q: Assume that Hydrogen comprises 74% of the Suns' mass. How much mass is this?

A: The mass of the Sun is

Q: An alpha particle, which has charge 3.20 ✕ 10−19 C, is moved from point A, where the electric potent...

A: The potential difference is defined as the amount of work done in bringing a unit charge.  W = q x ...

Q: A particle initially moves in a horizontal circular path of radius π meters at a constant speed of 4...

A: Consider the diagram shown below representing the given system. Here, r is the radius of the circul...

Q: see photo capacitor question

A:

Q: 3. An electronic flash uses a 950 µF capacitor. When it is fully charged the potential difference be...

A: Given information: The capacitance of the capacitor (C) = 950 µF The potential across the capacitor ...

Q: what is a spring constant

A: Spring constant is a physical quantity which determines the stiffness of a spring. It is denoted as ...

Q: Flg. 4-51 Problem 91. A projectile is launched with an initial speed of 30 m/s at an angle of 60° ab...

A: Given information: Initial velocity of the projectile (u) = 30 m/s The angle at which it is launched...

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: 14 A proton initially has = 4.01 - 2.0j + 4.0 s later has = -2.0i- 2.0j + 5.0k (in meters per second...

A:

Q: I need assistance with 9 please.

A: (9)   The dimension, that is the diameter (d) of a molecule is given. Calculate the volume (V) of on...

Q: A bird, getting a late start in Winter, must travel faster to the south before winter sets in. The b...

A: It is given that

Q: 3. What power of spectacle lens is needed to correct the vision of a nearsighted person whose far po...

A: Since the lens is held 1.50 cm away from the eye by eye-glass frames, an image 30.0cm from the eye w...

Q: Find the amplitude of the ground-state vibrations of the CO molecule. What percentage of the bond le...

A: Here, the reduced mass of the CO molecule will be The frequency of vibration of CO molecule is 6.42...

Q: Assume the Earth travels in a perfect circle around the Sun, with masses, 2.00 * 1030 kg and distanc...

A: Write the expression for the centripetal force.

Q: A voltmeter with resistance RV is connected across the terminals of a battery of emf E and internal ...

A:

Q: Answer the last question

A: Given: C1 = 600 µF C2 = 150 µF voltage source has = 6 V.

Q: IB 50 V 30 V 10V The figure shows a proton moving through a non-uniform electric field with the traj...

A:

Q: A 28 kg child uses a pogo stick to bounce up and down. The spring constant, k, of the toy equals 9,4...

A: Mass of the child,

Q: For the configuration shown in the figure below, suppose a = 5.00 cm, b = 20.0 cm, and c = 25.0 cm. ...

A: a) The charge on the insulating sphere is,    

Q: Now, rank the same objects by increasing temperature. For spherical objects, use the surface tempera...

A: Intercloud gas: The gases other than intersteller gases present in space are known as intercloud gas...

Q: Use the worked example above to help you solve this problem. The ballistic pendulum (Figure a) is a ...

A: (a) Use the conservation of energy to solve for the velocity of the system after the bullet embeds i...

Q: Two capacitors C, and C2 are connected to a voltage source as shown. Capacitor C, has a larger capac...

A: Hey, since there is multiple subpart question posted, we will answer first three question. If you wa...

Q: A wire with current i = 3.00 A is shown in Fig. 3. Two semi-infinite straight sections, both tangent...

A: The magnetic field point into the page.

Q: An object with mass m1 = 14 kg is located at the origin. Another object with mass m2 = 54 kg is loca...

A: Given: Mass m1 = 14 kg. Mass m2 = 54 kg. Length  l2 = 0.17 m. And la = 0.053 m.

Q: 22 A small ball rolls horizontally off the edge of a tabletop that is 1.20 m high. It strikes the fl...

A: We are supposed to answer only one question in one session . I am answering question 22 in this sess...

Q: please answer all the parts, and double and triple check your answers, previous tutors got it wrong,...

A: Let v1 be the velocity of the train with respect to ground, v be the velocity of the ball with respe...

Q: Answer the following questions for an object that is hanging on a spring and oscillating up and down...

A: Nowhere, as the spring will apply no force from the spring on mass zero. Force is maximum at the tur...

Q: Two long, straight, conducting wires are both perpendicular to the xy-plane. Wire 1 passes through t...

A: (a)   Consider the diagram for the magnetic fields (B1 and B2) at O(0, 0, 0) due to the currents (I1...

Q: A speeding car travelling a uniform 76ˍm/s passes a police car at rest. What constant acceleration i...

A:

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: The potential energy of the system gets converted to the kinetic energy Substituting the values giv...

Q: In a salt crystal, the distance between adjacent sodium and chloride ions is 2.82 ✕ 10−10 m. What is...

A: The force between the two chared partciles is given by Coulomb's law where, q is one charge and q' ...

Q: please answer all the parts, and double and triple check your answers, previous tutors got it wrong....

A: (A) During launch the displacement of the jet is 85 m. Use the formula for the work done to determin...

Q: In a crash test, a car of mass 1.44  103 kg collides with a wall and rebounds as shown in the figure...

A:

Q: An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and of length 2.7meter...

A: Write the expression for the power dissipated. Here I is the current, and R is the resistance. The ...

Q: Please Help

A: Consider the object is placed at left side from the first lens.   Calculate the distance of the imag...

Q: What is the magnitude of the magnetic field (in nT) at a distance of 4 m from a long straight wire w...

A: Magnetic field of long straight wire is,

Q: Use the worked example above to help you solve this problem. A rocket has a total mass of 1.04 x 105...

A: We’ll answer the first three subparts of the question since the exact one wasn’t specified. Please s...

Q: Assume the Moon travels in a perfect circle around the Earth, with masses 7.35 * 1022 kg and distanc...

A: Write the expression for the centripetal force.

Q: I need help with 15 please.

A: Given information: The time taken by the I0 to circle Jupiter (T) = 1.769 days = 1.769 (24) hr = 42....

Q: The Earth has a mass of 5.97 * 1024 kg and the Moon has a mass of 7.35 * 1022 kg. If they are separa...

A:   Write the expression for the gravitational force.

Q: Assume that the H2 molecule behaves exactly like a harmonic oscillator with a force constant of 573N...

A:

Q: Given the Sun's present rate of energy generation (i.e. its present luminosity), how long will the S...

A: Given: Present luminosity of the sun = 1 L

Q: 60. Standing waves are produced by two waves traveling in opposite directions in the same medium. Th...

A: Standing waves are produced by two waves travelling opposite directions in the same medium and the t...