How much horsepower does she exert

Assignment Help Physics
Reference no: EM132582932

Alissa, who has a mass of 60 kg, can run up a flight of stairs in 12 seconds. If the vertical height of the stairs is 15 meters, a) how much work does she do? b) How much horsepower does she exert?

Reference no: EM132582932

Questions Cloud

What is the stress within the column : a) What is the stress within the column? b) What is the strain? (E=2x10^6)
Calculate new selling price and unit contribution : Calculate New selling price, if profit is Rs. 150,000 and expected sales value is limited to Rs. 1,500,000 (Others are remaining constant)
Evaluate other potential sampling plans : Evaluate other potential sampling plans, and describe why such other sampling plans might be more or less appropriate than using a simple random sample
How much force is needed to lift the chest to the surface : How much force is needed to lift the chest to the surface? (density of seawater =1025 kg/m3)
How much horsepower does she exert : If the vertical height of the stairs is 15 meters, a) how much work does she do? b) How much horsepower does she exert?
Need a cvp graph for the company up to a sales level : Need a CVP graph for the company up to a sales level of 8,000 units. Estimate the company's break-even point in unit sales using your CVP graph.
Reflection on the Leadership role of CIO : We have learned about Leadership roles in IT, one of these roles is that of a CIO. Discuss your views and expectations regarding the various skills
Evaluate the company break-even point in unit sales : Compute the company's break-even point in unit sales using the equation method. Compute the company's break-even point in sales dollar
What is the mass of the blue rock : A head-on elastic collision between a red rock ( 2.00 kg ) moving at 6.00 m/s [ E ] and a stationary blue rock.

Reviews

Write a Review

Physics Questions & Answers

  What fraction of the source voltage are each of rms voltages

A 2.33 k? resistor is in series with a 1.80 ?F capacitor in an AC circuit. The rms voltages across the two are the same. What fraction of the source voltage are each of the rms voltages?

  Calculate the surface charge density

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 2.20 mm. Calculate the surface charge density

  Compute the average power delivered by the cars engine

A car of mass 1450 kg traveling at 26 m/s is at the foot of a hill that rises 140 m in 2.4 km. Find the average power delivered by the car's engine

  What was your percent error

If you did an experiment and measured g to be 9.3 m/s2, and the accepted value is 9.81 m/s2, what was your percent error

  Impulse delivered by the wall to the ball

A ball of mass m traveling horizontally with velocity v strikes a massive vertical wall and rebounds back along its original direction with no change in speed. What is the magnitude of the impulse delivered by the wall to the ball?

  Find the final velocity of two balls if ball with velocity

Find the final velocity of the two balls if the ball with velocity v2i = ?20.9 cm/s has a mass equal to half that of the ball with initial velocity v1i = +32.1 cm/s. (Indicate the direction with the sign of your answer.)

  Two charged particles areprojected in the same direction

Two charged particles areprojected in the same direction into a magnetic field perpendicularto their velocities. If the particles are deflected in oppositedirections, what can be said about them?

  What is maximum speed with which car can safely negotiate

A 900 kg car enters an unbanked curve with a radius oof 75.0 m. The coefficient of static friction between the tires and roadbed iis .20. what is the maximum speed with which the car can safely negotiate

  Find the magnitude of potential difference between two point

Find the magnitude of the potential difference between two points located 1.1m apart in a uniform 630 N/C electric field

  Determine how far did it travel in that time

A car slows down uniformly from a speed of 30.0m/s to rest in 7.80s. How far did it travel in that time

  How long are the skid marks

A 2000kg car traveling at a speed of 12m/s skids to a halt on wet concrete where ?k = 0.50. How long are the skid marks

  Find the horizontal force on the dam just due to the water

a vertical concrete dam is built in the ravine between two hills. The face of the dam slopes equally on both sides at an angle of 45.0o to the horizontal. Find the horizontal force on the dam just due to the water

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