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What is the half-life in days of a radioactive sample with 5.2×1015 atoms and an activity of 5.1×108Bq ? What is the half life in days.
Find out the edge dimension of each cube. Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. find the volume of each cube.
In which collision is the impulse on the cart greater. The magnitude of the charge on an electron is 1.6e-19 C
A 0.060 kg handball is thrown straight toward a wall with the speed of 14 m/s. It rebounds straight backward at a speed of 6.5 m/s. If the ball is in contact with wall for 3.0 ms, what average force is exerted on the wall by the ball.
A hypodermic needle consists of the plunger of circular cross-section that slides inside a hollow cylindrical syringe. When the plunger is pushed, the contents of syringe are forced through a hollow needle.
Based on the graph of kinetic energy given (gray curve in the graphing window), sketch a graph of the baseball's gravitational potential energy
A proton is released from rest at the positive plate of a parallel-plate capacitor, What will be the proton's final speed if the experiment is repeated with double the amount of charge in each capacitor plate
What is the acceleration of the baseball and what is the acceleration in g's - what was the rocks velocity when it hit the water?
The Balmer series in atomic hydrogen is the series of wavelengths emitted by the electron when it makes a transition from an energy level with n > 2 to the n = 2 level, Find the four largest wavelengths in the Lyman series
A meter stick with a mass of 89.5 g is being supported at the 50 cm mark with a pivot that is 1.00 cm above the center of mass of the meter stick. The moment of inertia of stick about that point is 0.00746 kgm^2. What is the period of oscillation ..
A violinist places her finger so that the vibrating section of a 1.3g/m string has a length of 40.00 cm, after that she draws her bow across it. A listener nearby in a 20 ^circ {rm C} room hears a note with a wavelength of 60.0cm. What is the tens..
Laser light at 635 falls on a double-slit apparatus with slit separation 6.9 .Find out the separation between the third and fourth bright fringes, as seen on a screen 1.4 from the slits.
A horizontal force of 750 N is needed to overcome the force of static friction between a level floor and a 250 kg crate. What is the acceleration of the crate if the 750 N forces is maintained after the crate begins to move and coefficient of kine..
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