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Suppose a 1.5 kg watermelon is hung from a string. A bolt with a mass of 30 grams is shot into the watermelon. Before impact the bolt has a velocity of 45.0 m/s. After exiting the watermelon its velocity is 15.0 m/s. The string is hanging straight down, therefore there is no horizontal force on the system when the arrow enters and exits.
Find the speed of the watermelon immediately after the arrow exits.
Determine how much kinetic energy is lost in the collision.
As the watermelon swings on the string, it will rise in height. Find how far in height it rises before stopping.
A nonconducting solid sphere of radius 11.2 cm has a uniform volume charge density. What is the sphere's volume charge density
A satellite has a mass of 101 kg and is located at 2.03 106 m above the surface of Earth. What is the magnitude of the gravitational force on the satellite
An Emergency Vehicle Siren is designed to emit an 8000 Hz sound. You hear a 9143 Hz tone as it approaches you at 40.0m/s and a 7273 Hz tone as it recedes at 32 m/s. What is the temperature of the air
A proton is initially at rest at a point where the potential is 507V. Sometime later the proton is at a point where the potential is 187V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy.
Bohr Model An electron is in the n=5 state of hydrogen to what states can the electron make transitions, what are the energies of the emitted radiations
The puck has a mass of 0.140kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 70cm/s. The string is pulled downward 15cm by the hole in the frictionless table. Determine the work completed on the puck.
In the alpha decay of 211 Bi to 207 Tl two groups of alpha particles with known energies 6.623 and 6.279 MeV, are observed. What is the energy difference between these two states
A baseball is thrown upwards with a speed of 15.0 m/s. How long does it take the baseball to reach its maximum height
The electric potential at a position located a distance of 21.0 mm from a positive point charge of 6.90×10-9C and 16.9 mm from a second point charge is 1.30 kV
After performing an experiment concerning charging a capacitor Sally noticed that the potential difference across the capacitor reached 2/3 of its final value after 18 seconds. find the time constant for the resistor-capacitor combination
The accepted value for the suns intensity at the earth is measured on an area with its normal along the suns "ray". Calculate the temperature of the sun
A cylinder of height 2 meters and radius 1 meter has its axis along the x axis the bottom of the cylinder lies in the yz plane. Find the flux through the Top part of the cylinder
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