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A drive pulley 8 cm in diameter is set to rotate at 9 rev/s. What is the centripetal acceleration of a point on the edge of the pulley (m/s2)? What would be the linear speed of a belt around the pulley(m/s)?
A simple pendulum 1 m long has an 8 kg bob. How much work is needed to move the pendulum from its lowest point to a horizontal position?
A 15 lb hammer moving at 75 ft/s strikes the head of a nail moving it into a wall a distance of 1/6 in. What was the average stopping force?
A worker lifts a 50 lb weight through a height of 10 ft. How many meters can a 14 kg block be lifted by the same amount of work?
A horizontal force pushes a 24 kg sled along a driveway for a distance of 30 m. If the coefficient of sliding friction is 0.2, what is the work done by the friction force?
A sled is dragged a distance of 12.2 m by a rope under constant tension of 134 N. The task requires 1250 J of work. What angle does the rope make with the ground?
A 40 kg sled is pulled horizontally for 470 m (µk = 0.2). If the resultant work is 55 kJ, what was the parallel pulling force?
Discuss the differences between the terms hazards, risk, residual risk, and acceptable risk. What level of risk do you believe constitutes an acceptable risk for machine guarding?
In promoting the value of letter-writing, a well-known columnist recently wrote, "To trust confidential information to e-mail is to be a rube." - What did he mean? Do you agree?
1. What are the basic concerns with software testing? 2. Why is a specification needed in order to do testing? 3. Why is path testing usually impractical? 4. Does path testing subsume statement coverage?
Security is of utmost importance for businesses. The implementation of security procedures for both wired and wireless devices and use of firewalls are two ways that businesses combat internal and external security threats.
Six techniques that can help you be effective in getting your ideas accepted by your fellow workers, superiors and clients. List and explain four of these techniques.
Discuss and provide examples of best practices an organization can implement to leverage diversity in areas such as group management, recruiting, hiring, retention, and development practices to increase an organization's competitive advantage.
Visit a local grocery store and walk down the breakfast cereal aisle. You should notice something very specific about the positioning of the various breakfast cereals. What is it? On the basis of what information do you think grocery stores determine..
What changes do individuals resist? What changes do individuals not resist? Why do individuals resist some changes but not others?
question 1when the amount earned on a deposit has become part of the major at the end of a particular time period the
Issues on innovation and technology influence both external and internal environmental scanning. How should a corporation scan the external environment for new technological development?
The Federal Open Market Committee changed the federal funds rate in December 2016. Which of the following best describes the probable reasons for this change?
In your own words. What is meant by organizing? Describe how organizing affects personal and organizational effectiveness, including recommendations for improvement. Please provide at least 2 paragraphs and 1 scholarly research (include URL).
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