Half-life of the material
A sample of a particular radioisotope is placed near a Geiger counter, which is observed to register 160 counts per minute. Eight hours later the detector counts at a rate of 10 counts per minute. What is the half-life of the material?
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A tuning fork oscillates at a frequency of 441 {rm Hz} and the tip of each prong moves 2.0 mm to either side of center. Calculate the maximum speed. Calculate the maximum acceleration of the tip of a prong.
How many block accesses on the average are needed to fetch a record by using single level primary index and by doing linear search?
A 0.127 kg baseball is thrown with a speed of 15.1 m/s. It is hit straight back at thepitcher with a ?nal speed of 16.5 m/s. What is the magnitude of the impulse delivered to the ball?
Describe a factor that determines patient benefits eligibility. What are the appropriate steps to take when insurance does not cover a planned service? Relate these steps to the eligibility factor you identified and provide two examples of pat
Determine the total energy of the system. Determine the equation describing the motion of the mass, assuming that at t = 0, x was a maximum and that t in seconds.
Determine whether technology has assisted or hindered the process.
Plane leaves the airport in Galisto and flies 164 km 68 degrees east of north and then changes direction to fly 177 km at 48 degrees south of east, after which it makes an immediate emergency landing in a pasture.
A 12.0 g bullet is fired horizontally into a 108 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring of constant 143 N/m. The bullet becomes embedded in the block. If the bullet-block system com
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