(a) Calculate the energy in kJ used by a 55.0-kg person who does 50 deep knee bends...

Question:

(a) Calculate the energy in kJ used by a 55.0-kg person who does 50 deep knee bends in which their center of mass is lowered and raised 0.400 m. (They do work in both directions.) You may assume their efficiency is 20%.

(b) What is the average power consumption rate in watts if they do this in 3.00 min?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For answer-question

College Physics

ISBN: 9781711470832

2nd Edition

Authors: OpenStax

See More Books

Question Posted: Nov 10, 2023 12:09 AM

See More Questions

A 20 kg child is 3 m to the right of center. An 80 kg adult wishes to balance the see saw by sitting a distance x to the left of center. They will balance if the center of mass is exactly 0. Solve...
The following additional information is available for the Dr. Ivan and Irene Incisor family from Chapters 1-5. Ivan's grandfather died and left a portfolio of municipal bonds. In 2012, they pay Ivan...
Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...
Which statement about sociology as a science is true? A) Most sociologists reject the use of the scientific method. B) Sociologists almost always use hypothesis testing in their research. C) Sociolo...
Favre Exploration Corporation engages in the exploration and development of many types of natural resources. In the last two years, the company has engaged in the following activities: Jan. 1, 2012...
Jack and Wellie enter a joint venture to share profits or losses equally resulting from dealings in second-hand, TVs. Both parties take an active part in the business, each recording their own...
Tom Bonacci brought his Jeep to Brewer Service Station to investigate a strange noise the vehicle was making. The Jeep was raised up on an automobile lift so that Brewer employee Paul Gebing could...
In 2012, Amirante Corporation had pretax financial income of $168,000 and taxable income of $120,000. The difference is due to the use of different depreciation methods for tax and accounting...
8. A marine biologist measures the presence of a pollutant in an ocean and concludes that the concentration, C, in parts per million (ppm), as a function of the population, P, of the people who visit...
Davids Sport Supplies is a store that sells sports equipment and gear for teenagers and young adults. Davids is in the process of assigning the location of storage areas in its warehouse (Figure...
The swimmer shown in Figure 7.41 exerts an average horizontal backward force of 80.0 N with his arm during each 1.80 m long stroke. (a) What is his work output in each stroke? (b) Calculate the power...
Kanellos Kanellopoulos flew 119 km from Crete to Santorini, Greece, on April 23, 1988, in the Daedalus 88, an aircraft powered by a bicycletype drive mechanism (see Figure 7.40). His useful power...
Cagney Company sold $200,000 of bonds on June 30, 2010. A portion of the amortization table appears below. Required: 1. Indicate the stated interest rate on these bonds. 2. Calculate the effective...
Consider a research funding game in which two government agencies, the U.S. Department of Energy (DoE) and the Defense Advanced Research Projects Agency (DARPA), each decide which of two research...
Q6. (2 points) Section 4.1 Question 21: The tail of a language is defined as the set of all suffixes of its strings, that is, tail (L) = {y xy = L for some x = *}. Show that if L is regular, so is...
Explain the intricacies of network stack implementation within operating systems, covering topics such as packet processing, socket management, and protocol handling, while ensuring scalability and...
A test rocket is fired vertically upward from a well. A catapult gives it initial speed 62 m/s at ground level. Its engines then fire and it accelerates upward at 4.0m/s2 until it reaches an altitude...
A test rocket is fired vertically upward from a well. A catapult gives it initial speed 90 m/s at ground level. Its engines then fire and it accelerates upward at 3.5m/s2 until it reaches an altitude...
The trial balance of American Dry Cleaners on June 30 is given here. The July transactions were as follows. July 8 Received $10,189 in cash on June 30 accounts receivable. 9 Paid employee salaries...
If |62x|>9, which of the following is a possible value of x? A. 2 B. 1 C. 0 D. 4 E. 7
A multi-step income statement ________. A. Separates cost of goods sold from operating expenses B. Considers interest revenue an operating activity C. Is another name for a simple income statement D....
The following is select account information for Sunrise Motors. Sales: $256,400; Sales Returns and Allowances: $34,890; COGS: $120,470; Sales Discounts: $44,760. Given this information, what is the...
Which of the following is not a characteristic of FOB Shipping Point? A. The buyer pays for shipping. B. The buyer owns goods in transit. C. The point of transfer is when the goods leave the sellers...
Determine sup A and inf A where they exist: (a) A= {x R x-9>0} {n 1 EN: . (b) AnN: 1- (-1)" n (c) A = Q = (d) A No NU {0}. (e) A = {1: n=N} {MEN} (f) A = { 1 + 1 2n
How can interdisciplinary approaches, drawing from fields such as sociology, psychology, and anthropology, enrich our understanding of the underlying mechanisms driving individual and collective...
In what ways can accountability mechanisms be optimized to foster transparency and trust within multifaceted governance systems?

(a) Calculate the energy in kJ used by a 55.0-kg person who does 50 deep knee bends...

Question:

Step by Step Answer:

a 1...View the full answer

College Physics

Students also viewed these Physics questions