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find out the initial speed of the arrow projected vertically.
Assume that, when Hiawatha aims vertically, his arrow reaches a maximum height of 20 m. Use this fact to find out the initial speed u with which Hiawatha can launch the arrow vertically.
Select two objects with flat surfaces such as books with different covers, for instance hard back and paperback. You will also need an inclined surface which can be tilted, such as a larger book or a small table. Form a ...
Using the Routh-Hurwitz stability criterion, how can you determine if a system is stable? How can you determine how many poles, if any, are in the right-half-plane?
The TGV, France's high-speed train, pulls out of the Lyons station and is accelerating uniformly to its cruising speed. Inside one of the cars, a 3.00 N digital camera is hanging from the luggage comp
A circuit contains a resistor in series with a capacitor, the series combination being connected across the terminals of a battery, as in the figure below. The time constant for charging the capacitor is 2.6 s when the r ...
Protons passing without deflection through a magnetic field of 0.06 T are balanced by an electric field of 9000 V/m. What is the speed of the moving protons?
Read the short story The Last Question by Isaac Asimov (1956). It can be found in many locations, including here: http://www.physics.princeton.edu/ph115/LQ.pdf and in audio form here: http://www.openculture.com/2015/06/i ...
1.) A 493.0 g pot of water at room temperature (20.0°C) is place on a stove. How much heat is required to change this water to steam at 100.0°C? answer must be given in kcal. 2.) A 1.2 kg metal head of a geology hammer s ...
Please answer the 3 questions below 150 words or less provide references if applicable. What are the implications of the use of technology on understanding brain development and behavior? Discuss cognitive development in ...
Two blocks, A and B have a mass of 100kg each. Coefficient of friction between all surfaces= 0.3. Determine the force P required to pull the block B from under the block A. Block A is held in place and wont move. (answer ...
You are driving towards a traffic signal when it turns yellow. Your speed is 55km/h and your best decleration has the magnitude of a .15m/s2 . Your best reaction time before breaking is t0 .75s. to avoid having the front ...
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