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Question: A radioactive nuclide produces 2880 decays per minute at one time, and 1.52 hr later produces 738 decays per minute.
Q- What is the half-life of the nuclide?
If possible just a brief explanation how you got the answer?
A bale of hay of mass 15.0 kilogram is pulled at a constant velocity across a barn floor by a hook that pulls at an angle of 30o with the horizontal with a force of 30.0 Newton, Find the normal force of the floor on the hay bale
The air passes through a large-diameter glass tube, then through a small-diameter tube, and nally through a large-diameter tube again. Find the velocity of the air in the small-diameter tube
A NASCAR racecar rounds one end of the Martinsville Speedway. What is the force responsible for the centripetal acceleration in this case
A ball is thrown from the window of a high-rise building with an initial velocity of 5.1 m/s at an angle of 22 deg. below the horizontal. Find the height from which the ball was thrown
A car takes 16 s to go from v = 0 to v = 50 m/s at approximately constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value should you use for a.
a car is at position (x1,y1)=(4m, 5m) at time t1= 1 sec. find the (size of the) component of the average velocity along the x-axis
An archer shoots a 100 g arrow straight up in the air. Calculate how high does the arrow rise assuming the force of air friction on the arrow averages 0.80 Newton during the upward flight
A Doctor order to prepare a glass for a patient with anti-reflection coating for 400 nm and 700 nm wavelength light. Find the minimum thickness of the coating required for this job
Through a fierce battle by an alien ship all power has been cut to your star ship. Only life support systems are working! your captain comes to you and asks you to design a spring launcher fixed to the star ship that will give a 12.5 kg quantum photo..
A 6.4 centimeter diameter horizontal pipe gradually narrows to 4.9 centimeter. Evaluate what is the volume rate of flow
A very long solenoid with a circular cross section and radius r= 6.10 cm with n= 1.20E+4 turns/m has a magnetic energy density uB= 4.50 mJ/m3. What is the current in the solenoid
A red laser, with a wavelength of 640 nm, shines on a diffraction grating with a grating spacing of 500 lines/mm. The resulting diffraction pattern is observed on a screen 1.00 meters away from the grating.
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