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To understand the vector nature of momentum in the case in which two objects collide and stick together. In this problem we will consider a collision of two moving objects such that after the collision, the objects stick together and travel off as a single unit. The collision is therefore completely inelastic. You have probably learned that "momentum is conserved" in an inelastic collision. But how does this fact help you to solve collision problems? The following questions should help you to clarify the meaning and implications of the statement "momentum is conserved."
The magnetic field B at the center of a circular coil of wire carrying a current I (as in fig. 20-9) is where N is the number of loops in the coild and r is its radius. estimate the magnetic field strength at the center of coil
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber, If a sample of gold with a mass of 2.477g, is pressed into a leaf of 4.116 ?m thickness, what is the area (in m2)..
Imagine removing one electron from every atom in a tiny cube of gold 1 mm on a side. (Never mind how you would hold the resulting positively charged cube together.) Do the same thing with another such cube a meter away.
Two converging lenses, each of focal length 17.0 cm, are placed 39.2 cm apart, and an object is placed 30.0 cm in front of the first lens. Where is the final image formed
The bright yellow sodium line in the sodium spectrum is actually a pair of closely spaced lines at 589.0 nm and 589.6 nm. Find the angular separation between the two sodium lines in second order
Two blocks connected by a massless rope are placed on an inclined plane as pictured on the right. What is the relationship between the two masses in order for the system to not move
The 3.90kg physics book shown is connected by a string to a 474.0g coffee cup. How far does the book slide before it has zero speed
The Hall voltage across a conductor in a 55 magnetic field is 1.9 . When used with the same current in a different magnetic field, the voltage across the conductor is 3.
A bowling ball has a mass of 3.3 kg, a moment of inertia of 0.076032 kg · m2, and a radius of 0.24 m. What is the total kinetic energy of the rolling ball
A satellite moves in a circular orbit around Earth at a speed of 4880 m/s. Find the satellite's altitude above the surface of Earth
A car is travelling with a velocity of + 88.0 km/h. It accelerates at a constant rate of 20 m/s2. If the acceleration lasts for 5.6s, what is the final velocity of the car.
How many half-lives are required for the number of radioactive nuclei to decrease to 1/1010 of the initial number
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