Stone is dropped from the roof of a high building
A stone is dropped from the roof of a high building. A second stone is dropped 2.00 {\rm s} later. How far apart are the stones when the second one has reached a speed of 14.0 {\rm m/s}?
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A rocket rises vertically, from rest, with an acceleration of 3.2 m/s^2 until it runs out of fuel at an altitude of 870 m. After this point, its acceleration is that of gravity, downward. What is the velocity of the rocket when it runs out of fuel?
How much entropy is generated by this process and does this process comply with the increased in entropy principle?
Alice pays Bob a number of dollars equal to the sum of the values of any dice matching Bob's guess. So, for example, suppose Bob guesses 3.
Two bars are held together by 6 bolts. Bar 1 has a modulus of E, a cross-sectional-area of A, and a length of L/2. What are the formulas for the reactions at each of the walls?
If 16 students are randomly selected, find the probability that their average systolic blood pressure is between 105 and 125. If 25 students are randomly selected, find the probability that their average systolic blood pressure is greater than 120.
You are driving home from school steadily at 95 {\rm km/h} for 150 {\rm km}. It then begins to rain and you slow to 50 {\rm km/h}. You arrive home after driving 3 hours and 20 minutes. (a) How far is your hometown from school?
What is the probability that a ve-card poker hand is a three of a kind (three cards of one rank, two cards of di erent ranks, which are not the same rank as each other, for example 3 Kings, 1 Ten and 1 ve)?
A damping ratio of 0.8. Determine (a) the dynamic error when subjected to a 1 Hz oscillation and (b) the time lag (in seconds).
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