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A copper penny has a mass of 5.4 g. Determine the energy (in MeV) that would be required to break all the copper nuclei into their constituent protons and neutrons. Ignore the energy that binds the electrons to the nucleus and the energy that binds one atom to another in the structure of the metal. For simplicity, assume that all the copper nuclei are ^63 29CU (atomic mass = 62.939 598 u).
A cube floats in water. The length of each side 8 cm. Thecube is 3/4 submerged. Find the volume of the water displaced
An objects average density ? is defined as the ratio of its mass to its volume. What is the earth's average density
Three identical point charges each of charge q are located at the vertices of an equilateral triangle, Find a symbolic expression for the electric potential at the center of the triangle
A 11m ×13m house is built on a 15cm -thick concrete slab. What is the heat-loss rate through the slab
For this problem, assume that all fluids are ideal. List the four characteristics of an ideal fluid: Find the velocity of the fluid in Section 2 of the pipe. The velocity of the fluid in Section 1 of the pipe is 10 meters per second
q1. a toolbox is carried from the base of the ladder at point a. the toolbox comes to a rest on a scaffold 5.0 m above
The particles in the nucleus of an atom are approximately 1.00×10?15 apart, while the electrons in an atom are about 1.00×10?10 from the nucleus. How many pounds would the force be
At an instant in time, an electron has a velocity of 5i + 3j - 4k km/s in a region of space, Find the acceleration of the electron at this instant
The armature of a shunt motor has a mass of 250 kg and a diameter of 30 cm. assume the mass of the amature is evenly distributed in the armature. find the rotational inertia of the armature.
A mirror creates an image of magnification ?1/3. (a) Is the image upright or inverted? (b) If the object is 7.75 cm tall, what is the height of the image
A powerful motorcycle can accelerate from rest to 30.6 m/s (110 km/h) in only 3.51 s. What is its average acceleration?
A single-turn plane loop of wire with a corss-sectional area 200cm^2 is perpendicular to a magnetic field that increases uniformly from 0.200T to 2.800T in 2.20 seconds. What is the magnitude of the induced current if the resistance of the coil is 8...
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