Slope by a motor-driven cable related problem
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?
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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
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?
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
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.
Using energy considerations, determine how far up the incline the block moves before it stops if there is no friction between the block and the ramp.
Discusses the statement: -Young public leaders are usually less effective because they have so little experience.
The sound intensity level of a person speaking normally is about 65dB. What is the minimum number of people speaking simultaneously each with this intensity level, that is necessary to produce a sound intensity of at least 78db .
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How can I rephrase this paragraph? The exploration between the "Personal unconscious" and the "Collective Unconscious" in C.G. Jung's perspective
Question: Explain the four attachment styles and the effects of negative attachments on preschool and school-aged children.
Maria, a clinical mental health counselor, has been working with a client, Emily, for several months. Emily is a 32-year-old woman who recently went through
Can you please summarize the key points related to Post-Traumatic Stress Disorder (PTSD) as classified in the DSM-5, including its criteria
Teenagers understand well that death is inevitable and that they themselves will die one day. What typical adolescent behavior seemingly contradicts this knowl
Which of Greer's responses to impending death is Jamila demonstrating? Need Assignment Help?
Question: Education is important because it helps children develop their cognitive, behavioral, and psychomotor skills.