Show that 480 W of power is expended by a weightlifter who lifts a 60-kg barbell a

Question:

Show that 480 W of power is expended by a weightlifter who lifts a 60-kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.

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

Step by Step Answer:

Related Book For book-img-for-question

Conceptual Physical Science

ISBN: 978-0134060491

6th edition

Authors: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt

See More Books

Question Posted: Jan 16, 2019 10:44 AM

See More Questions

Show that nearly 786 W of power is expended when a 500-N barbell is lifted 2.2 m above the floor in 1.4 s. useful energy output total energy input Efficiency
A sealed electronic box dissipating a total of 100 W of power is placed in a vacuum chamber. If this box is to be cooled by radiation alone and the outer surface temperature of the box is not to...
100 kW (105 W) of power is delivered to the other side of a city by a pair of power lines between which the voltage is 12,000 V. a. How much current is carried in the lines? b. Each of the two lines...
Q3. Modulus of rupture of concrete is a measure of a) flexural tensile strength b) direct tensile strength c) compressive strength d) split tensile strength Q4. For a longitudinal reinforcing bar in...
(a) Energy is required to separate a nucleus into its constituent nucleons, as Figure 31.3 indicates; this energy is the total binding energy of the nucleus. In a similar way one can speak of the...
Explain the cultural intelligence techniques of head, body, and heart.
What is the typical number of harmonics of running speed in a spectrum taken on a machine operating within satisfactory limits?
Barnes Manufacturing Co. forecast October sales to be 45,000 units. Additional information follows: Finished goods inventory, October 1............................... 5,000 units Finished goods...
Two Firefighter/Paramedics who work on opposite shifts have an ongoing personality conflict. One of the paramedics Bill Jones (a 40 year old Army veteran) has come to the supervisor on several...
Bonds 1. Municipal Bonds - Municipal bonds are haircut per Exhibit 1 based on both their time to maturity and scheduled maturity at date of issue. 2. Corporate Bonds - Corporate bonds are haircut...
How many watts of power do you expend when you exert a force of 6 N that moves a book 2 m in a time interval of 3 s?
When an average force F is exerted over a certain distance on a shopping cart of mass m, its kinetic energy increases by mv 2 . (a) Use the workenergy theorem to show that the distance over which the...
Solve the equation. 4 y 2y
True Or False An employer cannot be held liable for the negligence of an independent contractor even if they are negligent in hiring that person or fail to inspect the work of that person.
The Communications Decency Act (CDA) a. was created in 1966. b. removes liability for ISPs as publishers. c. removes liability for ISPs as distributors. d. none of the above.
The four torts of invasion of privacy are ____________, ______________, _______________, and ____________.
True Or False A statement implying undisclosed facts may not be defamatory if it is an opinion.
Under what conditions does respondeat superior apply, and when does it not apply?
For each of the following, indicate whether or not a paired analysis would be appropriate. a. To investigate the claim that first-year college students tend to gain weight during their first term,...
Carlton Stokes owns and operates a car-detailing business named SuperShine & Detailing. For $150, Carltons business will hand wash and wax customers cars, vacuum the interior, and thoroughly clean...
A 1750-N irregular beam is hanging horizontally by its ends from the ceiling by two vertical wires (A and B), each 1.25 m long and weighing 0.360 N. The center of gravity of this beam is one-third of...
A light wire is tightly stretched with tension F. Trans-verse traveling waves of amplitude A and wavelength 1 carry average power P av,1 = 0.400 W. If the wavelength of the waves is doubled, so 2 =...
A horizontal wire is stretched with a tension of 94.0 N, and the speed of transverse waves for the wire is 492 m s. What must the amplitude of a traveling wave of frequency 69.0 Hz be in order for...
A) Translate the following C into RV641 assembly. Be sure to follow the calling (Refer to slide22 of lec6_postZoom.pdf) and comment each line of your assembly. Remember that long long is 64 bits in...
Given a Binary Tree, find the maximum sum path from a leaf to root. Input: 1 A Input: 10 -27 4 23 Output: Explanation Following the path 3-1, results in a sum of 4, which is the maximum path sum from...
On December 1 , 2 0 1 5 , your company pays $ 2 4 , 0 0 0 for rent on your store that covers the next 6 months. When you paid the cash, you debited Prepaid Rent.. The adjusting journal entry on...

Show that 480 W of power is expended by a weightlifter who lifts a 60-kg barbell a

Question:

Step by Step Answer:

P energy Fd m...View the full answer

Conceptual Physical Science

Students also viewed these Physics questions