You drill a hole right through the center of a spherical planet of radius R and mass M, and drop an object into it. How long does the object take to reach the opposite surface. Express your answer only in terms of M, R and the universal gravitational constant G.

Q: Using appropriate technology, you determine that Earth's magnetic field at your location has a…

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Q: Lola's car is stuck in the mud. Julie and Jamaal come along in a truck to help pull her out. They…

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Q: An 1940kg car passes over a bump in a road that follows the arc of a circle of radius 43.1m as seen…

A: Car mass = 1940 kgArc of circle = 43.1 mVelocity of the car = 14.1 m/s

Q: At a particular instant, a proton, far from all other objects, is located at the origin. The proton…

A: Given: The observation point is.. To determine: the electric field at observation point. The…

Q: (4/10) Q3. Water at 20 °C flows through a 5-cm diameter pipe with a 180° horizontal bend. When the…

A: Formula

Q: A rod of length L lies along the x axis with its left end at the origin. It has a nonuniform charge…

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Q: A car starts from rest and accelerates at a variable rate given by the equation a(t) = 2t + 3 m/s²,…

A: Acceleration Change in velocity v = ?

Q: A spherical shell of radius R carries a uniform surface charge do on the northern hemisphere and…

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Q: Now assume that both the H and the I move when the molecule rotates so the rotating HI molecule is a…

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Q: Figure (a) shows a narrow charged solid cylinder that is coaxial with a larger charged cylindrical…

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Q: A car of mass M = 1100 kg traveling at 40.0 km/hour enters a banked turn covered with ice. The road…

A: Mass of the car M= 1100 kgSpeed of the car is v = 40 km/hr = 11.11 m/sRadius of the curve r = 34.6…

Q: Consider a thin conducting bar of length L moving with velocity v in a magnetostatic field Bas shown…

A: In the problem, we have to find the potential difference between two points i.e. points Y and X…

Q: A 5.0 m diameter solid aluminum sphere is launched into space from the surface of the earth. By how…

A: Diameter of the sphere=5 mradius=5/2 m

Q: A air-filled capacitor with C = 3 F is charged to an initial voltage V = 13 V and disconnected from…

A: We will first find the charge on plate using the given capacitance and voltage. We then find the new…

Q: When a barium titanate dielectric slab completely fills the space between the plates and the…

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Q: Would you expect a silicon wafer doped with antimony to be a p-type or n-type wafer? Why? What about…

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Q: Text book problem 2.9 In the figure below calculate the X-ray intensity, as a function of the…

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Q: The football is to be kicked over the goalpost, which is 15 ft high. If its initial speed is VA = 80…

A: initial speed vi = 80ft /slet y be the vertical distance covered by the football from the…

Q: A o.4 kg football is kicked. Assuming an average kicking force of 45 lbs, and that the ball and foot…

A: Given-The mass of football. the kicking force applied over the ball, distance covered while the…

Q: Predict/Calculate Energy from Gasoline Burning a gallon of gasoline releases 1.19 × 108J of internal…

A: Amount of energy released per gallonWork required to drive one mile

Q: At 22.0°C an aluminum ring has an inner diameter of 7.000 cm, and a brass rod has a diameter of…

A: Here the concept of linear expansion is used . Alluminium ring will undergo expansion.

Q: The position of a car has an x-component of 4.0 m and a y-component of 5.0 m at time t1 = 1 s. If 10…

A: The car is travelling in straight line, so pythagoras theorem will be implemented.

Q: Determine the specific enthalpy of the water under these conditions.

A: Specific internal energy = 82.77 kJ/KgPressure = 20 Mpa =20*10^6 PaSpecific volume = .0009928…

Q: A ball rolls off a shelf and hits the floor below 0.25 seconds later. To find the speed of the ball…

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Q: An ideal gas with energy E-Nk T is subjected to a cyclic, quasi-static (ce, reversible) process…

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Q: A fireman d = 58.0 m away from a burning building directs a stream of water from a ground-level fire…

A: The distance of the building x= 58 meters.The angle θ=23 degrees The initial speed = 40 m/snow from…

Q: what is the e field direction

A: We will first explain the relationship between electric field and electric potential. We then use…

Q: Compute the image location and magnification of the arrow which is 30 cm away from the convex front…

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Q: Cube is submerged in water and being supported by a string as shown in the figure. Tension in the…

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Q: An ideal gas consists of 2.94 mol of diatomic molecules that rotate but do not oscillate. The…

A: Given-The number of moles of diatomic molecules,  The diameter of the molecule is, The gas expands…

Q: 81. There are two very thin circular turns of radius "R₁", "R₂", concentric contained in the same…

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Q: Consider a cable BCA as shown below. NOTE: This is a multi-part question. Once an answer is…

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Q: A closed thermodynamic system is defined as consisting of subsystems A and B as shown in Figure Q5…

A: According to the problem, the closed thermodynamic system consists of two sub-systems A and B.Now,…

Q: How does quantum communication differ from classical communication, and what are its potential…

A: Quantum communication is a field of communication  that employ  the principles of quantum mechanics…

Q: 1. make me one question on relative motion in the forum with complete solutions. here is my example…

A: Velocity of train with respect to train,The width of train,To find:How long does it take the…

Q: The starship Enterprise locks onto an alien ship (whose mass is much greater than the Enterprise's…

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Q: ▼ Because the block is not moving, the sum of the x components of the forces acting on the block…

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Q: 12 A rigid body is rotating about a fixed axis with a constant angular velocity w. Take to lie along…

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Q: In a certain region of space, the electric potential varies along an x-axis as shown in the figure…

A: We will use concept of gradiant for electric field

Q: 20. Sketch |H(jw) for the LCR circuit shown in Figure P3.20 for the two conditions R = 0.5V/L/C and…

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Q: At a particular instant, in a coordinate frame chosen by us, the Earth (mass = 6 x 1024 kg) is at…

A: According to Newton's gravitational law, the gravitational force exerted on mass at position   by…

Q: *3-6. The springs AB and BC have a stiffness of 500 N/m and an unstretched length of 6 m. Determine…

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Q: Q-1 An x-ray photon "backscatters" off an electron of mass m initially at rest (i.e. the phot…

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Q: Our balance is maintained, at least in part, by the endolymph fluid in the inner ear. Spinning…

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Q: Calculate the average position of the particle in a cube with length L for the ground and first…

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Q: Assume we have two winding transformers with an iron core. The iron core is laminated. The 1st…

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Q: A rectangular loop of length L = 0.3 m and width W = 0.45 m carrying a current I = 2 A is exposed to…

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Q: A spherical cavity is excised from the inside of the sphere. The cavity has radius a/4 and is…

A: The formula for the electric field inside the cavity is: The spherical cavity is excised from the…

Q: A 0.2 kg block hangs from a ceiling attached to a spring of spring constant 2000 N/m. The block is…

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Q: A uniform thin rod of length L oscillates as a pendulum about a pivot point that is a distance a…

A: A physical pendulum is made up of a solid object that swings back and forth on a pivot due to…