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Problem: A helicopter is ascending vertically with a speed of 3.00 m/s. At a height of 195 m above the Earth, a package is dropped from a window.
Part A: How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the helicopters.]
I know the correct answer but explain how to get this answer!
To treat a burn on your hand, you decide to place an ice cube on the burned skin. How much heat is absorbed by the ice cube and resulting water
q1. assume that when you ride on your 7.60-kg bike the weight of you and the bike is supported equally by the two
The dipole moment of a water molecule in liquid water is 6.2×10−30 C·m, and the effective diameter of a water molecule is 2.8×10−10 m. In an earlier homework problem the effective dipole charge separation for water was calculated as 1.9×10−11 m.
An ideal gas has a temperature of 850 K. calculate the total kinetic energy of 1 mol of this gas
A 0.380 kg steel ball makes an elastichead-on collision with a second ball initially at rest. What is the mass of the second ball
A girl delivering newspapers covers her route by traveling 10.00 blocks west, 4.00 blocks north, and then 2.00 blocks east. What is the total distance she travels
Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sound is 330 m/s. The person is 1.65 m from one speaker and 4.95 m from the other. What sort of interference does the person sense.
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit agolf ball with a 6 iron. For how much more time was the ball in flight
Two long, straight, parallel wires of length 3.6 m carry parallel currents of 3.2 A and 0.9 A. What is the magnitude of the force between the two wires
If astronauts could travel at 0.970c, we on earth would say it takes (4.20/0.970) = 4.33 years to reach Alpha Centauri, 4.20 light-years away. How much time passes on the astronauts clock? What is the distance to Alpha Centauri as gauged by the astro..
In a certain time period a coil of wire is rotated from oneorientation to another with respect to a uniform 0.38-T magneticfield. The emf emf induced in the coil is4.7 V. Other things being equal, whatwould the induced emf be if the field had a ma..
A proton moving with a velocity of 4.0 *10^4 m/s enters a magnetic field of 0.20 T. what is the magnitude of the force on the proton
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