How long it take quantity of iodine to decay
Decay of Iodine, How long will it take quantity of iodine 131 to decay to 25% of initial amount, suppose that it decays according to function stated by A(t)=A0e-.087t , where t is time in days?
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The ball is thrown horizontally at a speed of 24 meters per second from the top of a cliff. When the ball strikes the ground 4.0 seconds later, around how high is the cliff?
Approximating the man through a vertical cylinder of radius Rm = 0.205 m, find out an equation (specific expression) for the angular velocity of the platform as a function of time. Determine the angular velocity if the man reaches the edge of the
150.0 grams of AsF3 was reacted with the 180.0g of CCl4 to form AsCl3 and CCl2F2. The theoretical yield of CCl2F2 formed, in moles should be what?
At 34 degrees Celsius exactly 18.4 mL of water are added to a hot iron skillet. All of the water is converted into the steam at 100 degrees Celsius.
A spring is suspend from the ceiling. A 0.461 kg block is then joined to the free end of the spring. If free from rest, the block falls 0.153 m before momentarily coming to rest. (i) Determine the spring constant of the spring? (ii) Determine the
Establish the appropriate null as well as alternative hypotheses.b. On one occasion where a sample of 40 customers was selected, the average number of days was 6.65, with the sample standard deviation of 1.5 days. Can the operations manager conclu
An acetic acid buffer which is having .50 M CH3COOH and .50M CH3COONa has a pH of 4.74. Discuss what will the pH be after 0.0020 mol of HCl has been added to 100.0 mL of the buffer?
A bridge is around 3910m long and is constructed of steel. Determine how much longer is the bridge on a warm summer day (30.0 degrees C) than on the cold winter day (-5.0 degrees C)?
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