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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Which of the following of Piaget's substages is the above statement most indicative of? Question options:
What does a teleological ethical system judge? Group of answer choices The totality of a life The consequences of an act
In this potential stage of cognitive development problem-solving strategies vary, depending on the situation.
Which G-E correlation refers to the association between an individual's influenced behavior and others' reactions to that behavior?
a. Identify who is part of your Service community. b. Which service community members have participated in the self-assessment?
Based on the information presented, what is this client's working diagnosis? Please provide a brief description of your chosen disorder.
John Doe has suffered a traumatic brain injury (TBI) following a bike accident. He can speak fluently but his speech doesn't make sense