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A bullet of mass 2.5 g is fired horizontally into a wood block of mass 12 kg that is suspended from the ceiling by massless strings. The bullet becomes embedded in the block, and the block is observed to swing upward to a maximum height of 0.35 m from its initial position.
(a) Find the speed of the bullet just before it hit the block.
(b) Find the change in the kinetic energy of the system. Explain how microscopic energy is conserved in this process.
What total impulse was imparted by these forces. Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.0 cm-3, and their speed is 702 km/s. Find the current density of these protons.
The Large Hadron Collider, or LHC, to be completed later this year, accelerates protons around a nearly circular track of circumference 26.66 km to a momentum of up to 3.74e-15 kg m/s, For the same magnetic field as in part (a), what is the momentu..
A 0.027 kilogram bullet is fired vertically at 235 m/s into a 0.15 kilogram baseball that is initially at rest. Find how high does the combined bullet and baseball rise after the collision
An object has a kinetic energy of 299 J and a momentum of magnitude 25.5 kg·m/s. Find the speed and the mass of the object
A 2.0-kg cart collides with a 1.0-kg cart that is initially at rest on a low-friction track. After the collision, the l.0-kg cart moves to the right at 0.5 m/s and the 2.0-kg cart moves to the right at 0.3 m/s. What was the initial velocity of the..
question1protons and electrons can be given extremely high energies in particle accelerators. what is wavelength in
A hollow aluminum cylinder 24.5 cm deep has an internal capacity of 2.000 L at 22.0°C. It is completely filled with turpentine at 22.0°C. How much turpentine overflows
In the subsequent motion, determine the distance b through which the rod will move each time it completes a full revolution.
a bat flying straight toward a wall at 11ms emits a pulse at 60khz. what is the frequency of the reflected ultrasonic
A city encompasses 820km2. If an average of 2 inches of rain fell on the cityduring a summer storm, how many kilograms of rainfell
Certain neutron stars (extremely dense stars) are believed to berotating at about 100 rev/s. If such astar has a radius of 13 km, what must beits minimum mass so that material on its surface remains in placeduring the rapid rotation?
A beam of light of wavelength 630 nm is incident on a slit that is 0.400 mm wide. If the distance among the slit and the screen is 1.80 m, what is the width on the screen of the central bright fringe?
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