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Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.20×10^ 6N , one at an angle 19.0 ? west of north, and the other at an angle 19.0 ? east of north, as they pull the tanker a distance 0.820km toward the north.
What is the total work done by the two tugboats on the supertanker?
Two small identical conducting spheres are placed with their centers 0.78 m a part, The spheres are connected by a conducting wire, What is the electrostatic force between the two after equilibrium is reached
A heat of 4.3*10^6KJ is req to convert a block of ice at -15deg C into water at 15deg C. What is mass of ice
Two flat surfaces are exposed to a uniform, horizontal magnetic field of magnitude 0.42 T. When viewed edge-on, Determine the area of the first surface
Determine the location of the center of mass of the molecule as measured from the hydrogen atom (Chlorine is 35 times more massive than hydrogen.).
Illustrate what is the potential energy for the child just as she is released, compared with the potential energy at the bottom of the swing? How much work does the tension in the ropes do as the child swings from the initial position to the bottom?
A 2 kg mass is pushed 0.5 m into a spring with spring constant 200 N/m on a frictionless horizontal surface. Upon release, the mass travels across the surface until it encounters a rough incline. The mass moves up incline and stops at a height of ..
A population of 500,000 around a nuclear facility receives an average wholebody dose of 0.5 rad as a result of an accidental release of radionuclides. Estimate the collective gonad dose received
A carpenter is driving a nail into a board. The 1.25 kg hammer moves at 8.85 m/s when it strikes the nail. What is the change in length of the nail
A proton is accelerated from rest through a potential difference of 350MV, What's the ratio of kinetic to rest energy
Assume the car is moving at 72 km/hr when the brake pedal is applied. Assume that the radius of the wheel is 15 cm. What is the maximum power.
An important feature of the Carnot cycle is that: A) its efficiency can be 100% B) its efficiency depends on the absolute temperature of the hot reservoir used.
What is the critical angle for light at the glass-liquid interface when the glass with n = 1.54 is immersed in water
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