Evaluate the average power output on the way up

Assignment Help Physics
Reference no: EM13647070

During a workout, the football players at State U ran up thestadium stairs in 60 s. The stairs are150 m long and inclined at an angle of30°. If a typical player has a mass of 105 kg, estimate the average power output on the way up. Ignore friction and air resistance.

Reference no: EM13647070

Questions Cloud

Explain heterogeneous mixture and colloid or solution : Define ether, gravy, salad, white grape juice, seltzer water, beef stew, and sodium carbonate as a pure substance, heterogeneous mixture, colloid, or solution
Base of the cliff does the projectile strike the ground : A projectile is fired into the air from the top of a 210m cliff.Its initial velocity is 60 m/s at 30 degree above the horizontal.(a) How much time does it take the projectile to reach the ground?(b) How far horizontally from the base of the cliff doe..
Calculate the volume of bodily fluid lost per hour : A 60.0-kg runner expends 300 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
How to compute the specific heat of the metal : A 21.2 g sample of a metal was heated to 61.98 degrees C. When the metal was placed in a constant-pressure calorimeter containing 30.0 g of water, the temperature of the water rose from 24.69 degrees C to 29.27 degrees C. Calculate the specific he..
Evaluate the average power output on the way up : During a workout, the football players at State U ran up thestadium stairs in 60 s. estimate the average power output on the way up
Explain how many grams of co2 and h2o can be produced : If you add 121 g of C2H6O to your gas, how many grams of CO2 and H2O can be produced from the C2H6O
The rectangular loop in the drawing consists : The rectangular loop in the drawing consists of 75 turns andcarries a current of I = 4.1 A. A 1.6-T magnetic field isdirected along the +y axis. The loop is free to rotateabout the z axis. Determine the magnitude of the nettorque exerted on the loop.
Estimate what will be its speed : A projectile is fired at an upword angle of 45.0 degrees from the top of a 265-m cliff with a speed of 185 m/s. What will be its speed when it strikesthe ground below
What is the speed of the boat when it strikes water again : A 285 kg stunt boat is driven on a surface of a lake at a constantspeed of 13.5 m/s toward a ramp, which is angled a 25 degrees abovethe horizontal. The coefficient of friction between the boat bottomand the ramp's surface is 0.15 and the raised e..

Reviews

Write a Review

Physics Questions & Answers

  Evaluate the amplitude of the motion

A 2.30 kg object attached to a spring moves without friction and is driven by an external force given by F = (3.00 N) sin(2pt). If the force constant of the spring is 25.0 N/m, determine the period

  Find how fast are you moving with respect to the moon

As you zip through space in your PPS (personal propulsion suit), your pulse rate, as you count it, is 115 bpm, How fast are you moving with respect to the Moon

  Explain how far up the ladder can man climb

The coefficient of friction between the ladder and ground is 0.6 and the ladder makes an angle, theta with the ground equal to 50 degrees. Explain how far up the ladder can an 800N man climb before the ladder begins to slip?

  Find the magnitude of initial acceleration of third sphere

Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.19 m. find the magnitude of the initial acceleration of the third sphere

  Estimate the mass per unit length of the string

Tension is maintained in a string The observed wave speed is 26.5 m/s when the suspended mass is m = 2.87 kg. What is the mass per unit length of the string

  What is the rms voltage on the primary side of transformer

AC power is carried to a home via a transmission line, where each wire has a resistance of 0.36 OHMS. What is the rms voltage on the primary side of transformer T2

  Evaluate the escape velocity from the asteroid

An asteroid is discovered to have a tiny moon that orbits it in a circular path at a distance of 115 km and with a period of 49.0 h. Find the escape velocity from the asteroid

  How wide will that diffraction maximum be

A two-slit apparatus is covered with a red (643 nm) filter. When white light is shone on the filter, on the screen beyond the two-slit apparatus, how wide will that diffraction maximum be

  What will be its rotation rate at the end

The disk in a CD player does not rotate at a constant rate, but spins at a rate determined by a control circuit so that the linear speed of the track being read is constant, what will be its rotation rate at the end

  What is the angular acceleration of the beam

A horizontal 2.00-m long, 5.00-kg uniform beam that lies along the east-west direction is acted on by two forces. At the east end of the beam, What is the angular acceleration of the beam

  Determine how much heat energy would the water have

One cubic meter of water flowing over Niagara Falls in New York drops 92.2 meters. how much heat energy would the water have

  Outside loudspeaker emits sound waves with power output

An outside loudspeaker (considered a small source) emits sound waves with a power output of 100 W. (a) Find the intensity 10.5 m from the source. W/m2 (b) Find the intensity level in decibels at that distance. dB (c) At what distance would you experi..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd