Electric motor provides power for the elevator
A 24-hp electric motor provides power for the elevator in a 6 story building. If the total weight of the loaded elevator is 2200 lb, how long a time does it take to rise 96ft from the first to the sixth floor?
Expected delivery within 24 Hours
A proton has an initial speed of 4.9 x 105 m/s. (a) What potential difference is required to bring the proton to rest?
Liquid water at 10 deg C is then injected into the container, at a pressure of 2 MPa. How much water must be injected to reduce the pressure in the container of .5 MPa and what would the final quality be?
A certain adjustment to a machine will change the length of the parts it makes but will not affect the standard deviation. The length of the parts is normally distributed, and the standard deviation is 0.5 mm. After an adjustment is made, a random
What is the heat supplied to the plant by the steam? If the steam is saturated at 220 C and expands to a pressure of 15 kPa with a quality of 0.85, estimate the flow rate of steam?
An object with a constant pressure heat capacity of 200 j/K is removed from a boiling water bath and allowed to cool to room temperature. calculate the change in entropy in the object, the surroundings and the universe.
Estimate the heat transfer area of the heat exchanger. Assume that the ocean water has the same density and specific heat as those of typical water.
A 4kg watermelon is balanced on Bruce's shaved. R. Lee Ermey, who hates watermelons with every fiber of his being, shoots a 50g arrow at it with a speed of 30m/s. The arrow passes through the melon and emerges at 18m/s. Find the speed of the melon
In a town there are on average 2.4 children in a family and a randomly chosen child has on averate 1.55 siblings. Determine the variance of the number of children in a randomly chosen family.
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Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.
Think about where you were the most and least engaged when reading a classmate's draft. Think about what captured your attention
Lifespan psychologists are unlikely to investigate both changes as well as consistencies that exist in different individuals'
Suppose that a group of researchers would like to explore how we perceive objects in the real world, rather than just in a laboratory
Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think
Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,