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The diameter of its nucleus is1.1×10−14 m and the diameter of an atom is1.0×10−10 m.
What percent of the atom's volume is occupied by the massive nucleus?
An engine transfers 2.5 X 103 J of energy from a hot reservoir during a cycle and has an efficiency of 0.3. How much heat is transferred as exhaust to a cold reservoir
a skateboarder with an initial speed of 2.1 ms rolls virtually friction free down a straight incline of length 20 m in
An orangutan throws a coconut verticallyupward at the foot of a small cliff 40m high while his matesimultaneously drops another coconut from the top of the cliff. Thetwo coconuts collide at an altitude of 20m.
A 9.95 kg monkey is hanging by one arm from a branch and swinging on a vertical circle. find he magnitude of the centripetal force acting on the monkey
A low-friction cart of mass 5.0 kg is attached to the spring, the spring is stretched 1.5 m from its equilibrium length, What is the velocity of the cart at this position
A 13.0-g wad of sticky clay is hurled horizontally at a 110-g wooden block initially at rest on a horizontal surface. The clay sticks to the block.what was the speed of the clay immediately before impact
A blimp used for aerial camera views of sporting events holds 200,000 ft3 of helium. How much does the helium weigh
An electron is released to accelerate from point 1 to point 2 in a potential region. The electric potentials at these points are V1 = -35 V and V2 = +200 V. Calculate the change in potential energy of this electron
The external magnetic field in a loop decreases from 0.1 Tesla to zero in 2 seconds. The loop of wire has ten turns, a radius of 10 cm, with its axis 45 degrees relative to the magnetic field. How large is the induced voltage in the loop?
A package in an airplane moving horizontally at 275 m/s is dropped while the altitude is 766 meters. How far forward from the spot over which it was dropped does the package land.
An arrow is shot into the air from a 5 foot platform with an initial velocity of 80 ft per second. What does the arrow reach maximum height
a person walks in the following pattern 4.9 km north then 1.5 km west and finally 3.0 km south. a how far in km and b
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