Compiute the average power output in horsepower. calculate, Ask an Expert

Academics

A 64 kg hiker climbs to the top of a 3600 m-high mountain. The climb is made in 5.0 h starting at an elevation of 2500 m.

a) Calculate the work done by the hiker against gravity.

b) Calculate the average power output in watts.

c) Calculate the average power output in horsepower.

d) Calculate assuming the body is 14% efficient, what rate of energy input was required.

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9399695

Have any Question?Write your Review or question?

Related Questions in Physics

A baseball is thrown vertically upward at a speed of 392

A baseball is thrown vertically upward at a speed of 39.2 m/s. How much time elapsed before it reaches it highest points, and how high above the ground does it get?

Question a regulation table tennis ball has a mass of 27g

Question: A regulation table tennis ball has a mass of 2.7g and is 40mm in diameter. What is its moment of inertia about an axis that passes through its center? The response must be typed, single spaced, must be in times ...

Part a find leslies average speed when she runs to the

PART A: Find Leslie's average speed when she runs to the store 14 km away in 24 min Express your answer to two significant figures and include the appropriate units. PART B: How fast is this in m/s? Express your answer t ...

Question a pendulum has a period of 069 s on earth what is

Question: A pendulum has a period of 0.69 s on Earth. What is its period on Mars, where the acceleration of gravity is about 0.37 that on Earth? The response must be typed, single spaced, must be in times new roman font ...

Question a rifle with a barrel length of 57 cm fires a 11 g

Question: A rifle with a barrel length of 57 cm fires a 11 g bullet with a horizontal speed of 370 m/s . The bullet strikes a block of wood and penetrates to a depth of 12 cm . 1- What resistive force (assumed to be cons ...

Question the position of a mass oscillating on a spring is

Question: The position of a mass oscillating on a spring is given byx = (6.8 cm) cos[2t/(0.91 s)]. (a) What is the frequency of this motion? (b) When is the mass first at the position x =-6.8cm? The response must be type ...

Question six artificial satellites complete one circular

Question: Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L. The satellites fire rockets that provide the force neede ...

Question a student standing in a canyon yells echo and her

Question: A student standing in a canyon yells "echo," and her voice produces a sound wave of frequency of f = 0.56 kHz. The echo takes t = 3.5s to return to the student. Assume the speed of sound through the atmosphere ...

Question a simple pendulum oscillates with frequency fa

Question: A simple pendulum oscillates with frequency f. a) what is its frequency if the entire pendulum accelerated 0.43 g upward? b) what is its frequency if the entire pendulum accelerates 0.43 g downwards? The respon ...

Question a thin horizontal 20-cm-diameter copper plate is

Question: A thin, horizontal, 20-cm-diameter copper plate is charged to 4.0 nC . Assume that the electrons are uniformly distributed on the surface a) What is the strength of the electric field 0.1 mm above the center of ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert