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In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that inthe figure below and has a range of 25 m. Suppose the launch speed is doubled, and the projectile is fired atthe same angle above the ground. What is the new range?
A spherical hot air baloon is initially filled with air at 118 kPa and 18°C and has an initial diameter of 4 m. What is the rate of change of the balloon's diameter when it reaches the inflated diameter
Suppose I mis-measure the apparent ?ux from a galaxy by 10%, and that I’m using the Tully-Fisher relationship to derive the galaxy’s distance. Assuming that the Tully-Fisher relationship and my measurement of the rotation speed of the galaxy are ..
Determine whether the ground state function for the hydrogen atom is an eigenfunction of each of the following operators kinetic energy operator for H atom and potential energy operator for H atom
Consider an electron in a hydrogen atom, which is 0.050 nm from the proton in the nucleus, What electric field does the electron experience
A man with a mass of 90.7 kg stands up in a 71-kg canoe of length 4.00 m floating on water. How far does the canoe move
In an aluminum pot, 0.15 kg of water at 100 degrees c boils away in four minutes. find the temperature at the aluminum-steel interface
It takes only 9.12N of force to hold up a 1KG metal crown in water, Compute the specific gravity of this metal, and guess what element it might be using a density table
A dog sits 1.50 m from the center of a merrygo-round with an angular speed of 1.78 rad/s. what is the dog's mass
nozzle of a hose is pointing straight up. the water rises to a height h above nozzle openig. how high does the water rise
You are standing at = 9.0 km Lightning bolt 1 at x= 0km and lightning bolt 2 at x = 12.0km. what is the time difference between the two flashes
When a 2.00-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.67 cm. What is the force constant of the spring
A mass spectrometer is used to examine the isotopes of uranium. What is the distance between the impact points
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