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A neon atom (m = 20.0 u) makes a perfectly elastic collision with another atom at rest. After the impact, the neon atom travels away at a 56.0° angle from its original direction and the unknown
A 1000 kg safe is held 2 m above a heavy duty spring when the rope holding it breaks. The safe compresses the spring 50 cm. What is the spring constant?
Suppose there is a rollercoaster on a frictionless track. It is at the top of the track (the part where the rollercoaster suddenly drops off and you lose your stomach) and at the bottom of the track
What is the magnitude of the electric field at the point (3.20i - 2.25j + 3.85k) m if the electric potential is given by V = 2.00 xyz2, where V is in volts and x, y, and z are in meters?
The spheres are connected by a massless nonconducting string of length d = 1.00 m, which is much greater than the radii of the spheres. a) What is the electric potential energy of the system?
List the three main classes of meteorite and describe how they can be distinguished on the basis of their principal constituents.
In a cookbook, a poultry thawing chart states that a 10-kg turkey takes 4 days to defrost in a refrigerator. Estimate how long it would take to defrost a 2-tonne Siberian mammoth from the same initi
A 3500 kg statue is placed on top of a cylindrical concrete (Y = 2.3 x 1010N/m2) stand. The stand has a cross sectional area of 7.3 x 10-2m2 and a height of 1.8 m. By how much does the statue compress
Assume that air flows past the wing of an aircraft with streamline flow. If the speed of the flow past the upper surface is 120m/s, what is the required speed over the upper surface with a lift of 2
As the frequency of the oscillator is varied over the range 500-1500 Hz , the wire is observed to set into oscillation only at frequency 860 Hz to 1290 Hz. What is the linear density of the wire??
Why were the relative intensities of an element's spectral line not all the same?
Stethoscope, what is a stethoscope? what is its use?hjhfhhghhghgfhdjfhsufgseuygfeyfg,f,gufgrfgreufgrfbutguubfgbrfrtrtfr
You observe that at one instant the box is sliding to the right at 1.75 m/s and that it stops in 2.25 s with uniform acceleration. The force that friction exerts on this box is closest to?
What is the most likely compound that will form from the reaction of carbon as it goes through our atmosphere?
Occasionally an asteroid is broken up into smaller pieces or fragments. These fragments hurl through space, and some of them even find their way to Earth.
An astronomical telescope has an objective lens with a focal length of 102 cm and an eyepiece with a focal length of 18cm. When used to view and object that is far far away, such as a star, what is
The force on q1 due to q2 equals the force on q1 due to the electric field of the parallel plate capacitor. What is the distance r between the two charges?
An electric toothbrush rests on a stand containing a 50-turn coil connected across the 120-V rms AC power line. Inside the brush handle is another coil whose induced current charges a 6-V battery. H
About the origin, what are (a) the particle's angular momentum, (b) the torque acting on the particle, and (c) the rate at which the angular momentum is changing?
Including but not limited to batteries and EMF, connecting potential and current, Resistors and Ohm's law, Energy and power, Kirchhoff's Law, Series and parallel circuits, Measuring voltage and curr
Find the capacitance, the charge on each plate, the electric field intensity in the space between the plates, and the stored energy.
The coefficient of kinetic friction between the tires and the road is 0.695. How far does the truck skid before coming to a stop?
The drop in her vertical height is 2.8 m. If her mass is 59 kg, how much work is done by the (nonconservative) force of the wave?
The crest of the second hill is circular, with a radius of r = 34 m. Neglect friction and air resistance. What must be the height h of the first hill so that the skier just loses contact with the sn