Determine resulting velocity of boat and remaining person
Two people, 160-lb and 120-lb, respectively, are in a boat that is moving forward at 4 ft/s. If the 160-lb person jumps directly off the back of the boat with a velocity of 7 ft/s, determine the resulting velocity of the boat and remaining person.
Expected delivery within 24 Hours
Calculate the ratio of the number of primary windings of the transformer to the number of secondary windings of the transformer.
A coil is connected to a 60 Hz ac generator with a peak emf equal to 80 V. At this frequency the coil has an impedance of 14 and a reactance of 12 . (a) What is the peak current in the coil?
Suppose telephone calls arrive at an emergency hotline at a rate of 5 per hour , and you begin monitoring calls at time t = 0 ( in hours )
How long would a 2.90 kW space heater have to run to put into a kitchen the same amount of heat as a refrigerator (coefficient of performance = 2.68) does when it freezes 1.73 kg of water at 18.8°C into ice at 0°C?
If the 160-lb person jumps directly off the back of the boat with a velocity of 7 ft/s, determine the resulting velocity of the boat and remaining person.
To deposit 14000 J of heat in the house, the heat pump requires 796 J of work. Determine the temperature of the well water. Give answer in K. Do not enter unit.
Consider a Rankine cycle operating in an ideal reheat mode where the high pressure turbine receives steam at 8MPa and 450 deg. C; the low-pressure turbine is operated at 500kPa ond 500 deg.
An engine has a hot reservoir temperature of 935 K and a cold reservoir temperature of 616 K. The engine operates at three-fifths maximum efficiency. What is the efficiency of the engine?
A motor car shaft consist of a steel tube 30 mm internal diameter and 4 mm thick .thee engine develops 10kW at 2000r.p.m.Find the maximum shear stress in the tube when the power is transmitted through a 4:1 gearing.
1945201
Questions Asked
3,689
Active Tutors
1454855
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Find a risk assessment that you can use in clinical practice and provide the reference information here.
Define a relevant system, including its boundary, its environment, and the world view implied. Discuss the boundary judgements made by the system you defined.
This week, we examine the types of intra- and interprofessional communication. Two types of communication can be helpful in practice.
About Stigma and mental health treatment 1. Who is affected by this topic? 2. How does it affect the community as a whole?
Problem: Briefly summarize the pathophysiology and systemic connections between endometriosis and inflammation.
Question: The mental status of a patient who has experienced a generalized seizure:
Compare and contrast female sexual interest/arousal disorder with male hypoactive sexual desire disorder. How are they similar?