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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Then, consider how tools like brain scans and other technology can show what is happening in the brain during that process.
how constructionism influences your racial and ethnic identities. The concept of social class is also based on or influenced by constructionism
Describe the concerns held by both adoptive parents and adopted children in transracial families. What other concerns would you add that were not discussed
Pick one type of social media and discuss how this media influences society. Discuss the history of the media type, select a platform
Explain how media has affected elections and/or geopolitics from either the United States or anywhere around the world.
The verdict in Brown vs Board of Education of Topeka Kansas was the beginning of the Civil Right movement. What was Brown vs Board of Education?
Perform research on the Bill of Rights and the restrictions on service members participating in American political campaigns.