How fast is the brick moving just before it reaches ground
A brick is released with no initial speed from the roof of a building and strikes the ground in 2.70 , encountering no appreciable air drag. How tall is the building? How fast is the brick moving just before it reaches the ground?
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Ahummingbird is flying in such a way that it is initially moving vertically with a speed of 5.3 and accelerating horizontally at 11. Find the component and the component of the hummingbird's velocity at the time 0.77.
A charge of 3.06 uC is held fixed at the origin. A second charge of 3.06 uC is released from rest at the position (1.05 m, 0.506 m). If the mass of the second charge is 2.73 g, what is its speed when it moves infinitely far from the origin?
Calculate how long the sun would last, in years, if it were to keep radiating at its present power level until all its mass is gone.
A race car starts from rest on a circular track of radius 455 m. The car's speed increases at the constant rate of 0.480 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following.(a) the
It compresses the spring, then is pushed back in the opposite direction by the spring, eventually losing contact with the spring. How long does the block remain in contact with the spring?
A curve with a 125 m radius on a level road is banked at the correct angle for a speed of 20 {rm m/s}.If an automobile rounds this curve at 30 {rm m/s}, what is the minimum coefficient of static friction between tires and road needed to prevent s
A skier of mass 68 kg is pulled up a slope by a motor-driven cable. How much work is required to pull him 45 m up a 30° slope (assumed frictionless) at a constant speed of 2.5 m/s?
Write a 1-2 page letter to Microsoft® asking permission to use screen shots of its product (i.e. Office software application) in a user manual. Your letter should follow the full block format with subject line layout.
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Please briefly describe those global transformations from the late 1970s through the 1980s that had a direct impact on the Cold War
What drives the philosophy of your classroom management, lesson planning, and delivery style? What if you changed the philosophy of your classroom?
Name three social and political forces that have shaped the educational system of the United States of America
As you continue to explore and refine your understanding of your professional identity as an educator, this assessment task will focus on creating a folio
Write a one page letter to yourself. Include things that you wish you had known, encouragement you would give, advice you would give.
Should you be in the position of knowing how you could help improve student outcomes through Instructional Coaching, but not a position to develop and hire
"Teachers must keep current on the latest development of instructional technology" (Linderman & Hackett, 2010, p. 78). According to this quote