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Question: Suppose we could shrink the earth without changing its mass. At what fraction of its current radius would the free-fall acceleration at the surface be three times its present value? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
Two grams of liquid water are at 0 degree Celsius and anothertwo grams are at 100 degree Celsius. What is the mass (in gr) of the liquid water that remains
A proton enters the gap between a pair of metal plates (an electrostatic separator) that produces a uniform, vertical electric field between them. Ignore the effect of gravity on the proton.
Solve the above problem with parabolic blend such that it accelerates in 1 sec, constant speed in 1 second, and decelerates in the one second. Find position, velocity and acceleration of the joint as a function of time, then plot them. What is the..
What are the energy, momentum, and wavelength of a photon that is emitted by a hydrogen atom making a direct transition from an excited state with n=9 to the ground state? What is the recoil speed of the hydrogen atom
In procedure 2, suppose the convex lens is placed at the 44 cm mark, and an image forms on the screen at the 57.6 cm mark. Find the focal length of this lens
Working electron. An electron with charge -|e| and mass me is launched with an initial velocity vxi^- vyJ^ to the uniform magnetic field Bi. What is the work done by the magnetic field on the electron?
The sun is 24 degrees above the horizon. It makes a 60m long shadow of a tall tree. What is the height of the tree
A Styrofoam calorimeter contains 40.0g of water at 50°C. To this we add 2.0g of ice at initial temperature of 0°C. How much heat (in calories) is needed to melt the ice
Phenols do not exhibit the same pKa values as other alcohols; they are generally more acidic. Using the knowledge that hydrogen acidity is directly.
A major artery with a cross-sectional area of 1.00cm2 branches into 18 smaller arteries, By what factor is the average velocity of the blood reduced when it passes into these branches
The intensity of an earthquake wave passing through the Earth is measured to be 2.5×106 at a distance of 55 from the source. At what rate did energy pass through an area of 3.0 at 1.0
Why are chemists so interested in the number of valence electrons in atoms?
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