Coal is being lifted a vertical distance of 36m from a mine by an engine that supplies 562W of power. In units of kilograms per minute, what is the rate that coal can be lifted from the mine?

Q: Each of the eight conductors in the figure carries 2.58 A of current into or out of the page. Two…

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Q: A 100 g bead slides along a frictionless wire with the parabolic shape y (2 m-¹) ². = Part A Find an…

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Q: 11. A 1.30-kg block is pushed against a vertical wall by means of a spring (k = 850 N/m). The…

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Q: A satellite of mass m orbits a planet in a circular orbit at the distance shown in the diagram…

A: Here Mass of satellite = m Mass of planet = 5M Distance between satellite and planet = 4LWe have to…

Q: You are currently standing at the edge of a cliff 5 m above a body of water. You then toss a coin…

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Q: The angular position 0 of a rotational object is given by 0-(4 rad/3) t3 The diameter of the object…

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Q: Suppose you have two point charges each of 78 nC. How many millimeters apart must the two charges be…

A: The charge on two-point charge (q) = 78 nC or 78 x 10-9 CThe force between the charges (F) = 0.95 N

Q: 12. A certain spring has 13.0 J of elastic potential energy stored when compressed 0.34 m. The…

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Q: A 2.00-nF capacitor with an initial charge of 4.63 μC is discharged through a 2.15-k resistor. (a)…

A: See below

Q: The scale below is positioned half-way between the hanging 2000 N weight and the pivot point What…

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Q: cube of styrofoam has a mass of 51g and a side length of 52cm. What downward force is required to…

A: Mass (m) = 51 g Side length of cube (a) = 52 cm

Q: Please fill out the template with the work for this problem. Note that you need to have a picture,…

A: Electric field, E = 26 N/CRadius of the loop, R = 14 cm = 0.14 mAngle,

Q: THE GRAVITON"

A: The Gravitron is a popular amusement park ride that uses centrifugal force to simulate…

Q: At a given instant, the blood pressure in the heart is 1.7 x 104 Pa. If an artery in the brain is…

A: Here Blood pressure in the heart = P1 = 1.7 × 104 PaWe have to calculate the blood pressure in the…

Q: A water tank has a rectangular base with dimensions 4 meters by 3 meters. The tank is filled with…

A: Length of the base (l) = 4 meters Width of the base (w) = 3 meters Height of the water column (h) =…

Q: Scientists are experimenting with a kind of gun that may eventually be used to fire payloads…

A: Mass of projectile is Initially projectile is at rest, that is, Final velocity of projectile is Net…

Q: The snapshot and history graphs of a traveling wave are given below. What is the speed of the wave?…

A: Consider y-x graph;The distance between two successive crest is stated as the wavelength so the…

Q: The block shown in (Figure 1) has a mass of m= 100 kg, a height H=1.4 m, and width L=2 m. It is…

A: Torque is the product of force and lever arm distance.

Q: What will the balloons do? Negatively charged balloon The balloons will not move. Search Negatively…

A: Charges are of two types, one is negative charges and the other is positive charges. The SI unit of…

Q: What is the fundamental frequency, in Hz, of a 10-kg spring with a spring constant of 0.1 N/m?

A: Given,k = 0.1 N/mm = 10 kgCalculating the fundamental frequency of a spring by the formulaf = (1 /…

Q: Suppose 3.46 moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from…

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Q: Find the maximum potential difference (in kV) between two parallel conducting plates separated by…

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Q: A constant force is applied to an object, causing the object to accelerate at 5.00 m/s². What will…

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Q: A 63 kg man had a fever of 41.45m ºC (normal body temperature is 37 ºC). Assuming that the human…

A: Mass of the person is Initial temperature is Final temperature is Note:Specific heat capacity of…

Q: Find the magnitude of the electric field at the origin due to a point charge of 64.4 nC located at…

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Q: Here the teacher said to get vx(t) we need to integrate the equation above it and to get x(t) we…

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Q: II. Project Work (B) 1. How long does it take for your wheel to complete one full revolution once…

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Q: 6. Three objects of uniform density; a solid sphere, a solid cylinder, and a hollow cylinder are…

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Q: How much energy does a refrigerator remove from 90.0 g of water at 28.0 °C to make ice at -11.0°C ?

A: Mass of water (m) = 90.0 gSpecific heat capacity of water (cw) = 4.186J/g°CSpecific heat capacity of…

Q: An electron that has a velocity with x component 2.2 x 106 m/s and y component 3.4 x 106 m/s moves…

A: The x-component of electron's velocity is The y-component of electron's velocity is The x-component…

Q: An electron moving at 3.90 ✕ 103 m/s in a 1.20 T magnetic field experiences a magnetic force of 1.40…

A: Velocity of electron (v) = 3.90 ✕ 103 m/s Magnetic field (B) = 1.20 TForce(F) = 1.40 ✕ 10−16 N

Q: On August 10, 1972, a large meteorite skipped across the atmosphere above the western United States…

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Q: Our solar system is approximately 10 billion km across. This diameter can be also be expressed as:…

A: Diameter of our solar systemD= 10 billion km

Q: A bungee jumper, whose mass is 74 kg, jumps from a tallplatform. After reaching his lowest point, he…

A: Mass of the person is The time taken by the person to reach the lower point two more times is…

Q: A pyrex glass flask with a volume of 157 cm³ is filled to the brim with benzene at 11°C. How much…

A: Volume, v = 157 cm³Initial temperature, t = 11° CFinal temperature, T = 56° CLinear expansion…

Q: You are given the dynamics equations that are used to solve a problem: -0.80m (1500 kg) az n- (1500…

A: Mass of car, m=1500 kg Coefficient of kinetic friction = 0.80

Q: What must the charge (sign and magnitude) of a particle of mass 1.49 gg be for it to remain…

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Q: The angular position 0 of a rotational object is given by 0-(4 rad/3) t3 The diameter of the object…

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Q: bulley of mass m3 = 8.0 kg to a mass m2 = 8.50 kg Frictionless inclined surface that makes an angle…

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Q: Each sketch below shows three objects with an electric charge. In each case, decide whether there is…

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Q: A sample of 2.5 moles of ideal gas is originally at 13°C. In a laboratory experiment, the pressure…

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Q: Ci C₂ C3 In the figure above, C₁ = 1.85 µF, C₂ = 8.2 μF, and C3 = 5.9 μF. Deterine the equivalent…

A: The capacitance of the capacitors are .The connection of capacitors C1  and C3 are in parallel.

Q: Part (a)  Write an expression for the electric flux Φ1 through S1.  Φ1 = ______ Part (b)  Write an…

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Q: A 4.4 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in…

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Q: PRACTICE PROBLEMS {ELECTRIC FIELD OF A SYSTEM OF POINT CHARGES} Three negative point charges lie…

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Q: A rifle with a barrel length of 60 cm fires a 14 g bullet with a horizontal speed of 350 m/s. The…

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Q: chunk of nickel weighing 19.0 grams and originally at 98.34 °C is dropped into an insulated cup…

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Q: 5. Two disks are rotating about the same axis. Disk A has a moment of inertia of 4.20 kg.m² and an…

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Q: A spherical particle of mass m� is shot horizontally with initial speed v0 into a viscous fluid. Use…

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Q: what is the dose rate deposited per gram of water from alpha decay of 1mCi 226-Ra (branching ratio…

A: Activity (A ) = 1mCi = 1 x 10-3 Ci Energy per Decay, E1 = 4.78 MeV Energy per Decay E2 = 4.59 MeV…