Answered: energy supplied by such a diet each…

Name: energy supplied by such a diet each second, and hence the person's av
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
Description: energy supplied by such a diet each second, and hence the person's average power. (Give your answer tothe nearest 10 W.)

Science

Physics

energy supplied by such a diet each second, and hence the person's average power. (Give your answer to the nearest 10 W.)

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 8.6CYU: Check Your Understanding Fend the forces on the particle in Example 8.6 when kinetic energy is 1.0 J...

See similar textbooks

Related questions

Q: A weight lifter holds 900 N (about 200 lb) over his head. Is he doing work on the weights? Did he do…

A: While the weight lifter is holding the weight over his head, he is not doing any work, because there…

Q: How much work can a 6.0-hpmotor do in 3.0h?Express your answer to two significant figures and…

A: The expression for power is,

Q: A boy weighing 350N climbs up the 30steps, each 20cm high in 1 minute. Calculate (a) the work done…

A: Given,

Q: The man of the preceding problem consumes approximately 1.05 × 107 J (2500 food calories) of energy…

A: It is given that,

Q: Using energy considerations and assuming negligible air resistance, show that a rock thrown from a…

Q: A ball has a mass of 10 lb, suppose it travels at 100ft/s. Find the kinetic energy possessed by it.

A: Kinetic energy is the energy possessed by by an object due to its motion K = 1/2 m v2 m = 10lb v =…

Q: Show that 50 W of power is required to give a brick 100 J of PE in a time of 2 s.

A: Power = Work done /Time Work Done = Change in Potential Energy = 100 J

Q: What is the difference between work and energy?

A: Introduction: Work is the transferring of some amount of energy with the help of force.

Q: You are an athlete who masses 80 kg. When doing a pushup you lift a total of about 56 kg a distance…

A: The gravitational force is, F=mg Here, F is the force, m is the mass and g is the acceleration due…

Q: A 60 kg woman whose average power is 30 W can climb a mountain 2.0 km high in

Q: how much power would you have produced if you lifted 200 kg upwards 2 meters in 0.5 seconds?

A: Given Mass m = 200 kg Height h = 2 m Time t = 0.5 s

Q: Suppose a car travels 108 km at a speed of 35.0 m/s, and uses 2.10 gallons of gasoline. Only 30% of…

Q: What is true about the mechanical energy of a system?

A: Answer It remains constant as long as there is no non-conservative force doing work on…

Q: A student, mass 60 kg, lift himself 2m at an average speed of .50m/s. find his average power

Q: In climbing up a rope, a 78-kg athlete climbs a vertical distance of 6.0 m in 9.0 s. What…

Q: Calculate the power output of a 15 mg fly as it walks straight up a windowpane at 2.0 cm/s.

Q: A 0.3-kg ball is thrown with a speed of 10.3 m/s at an angle 32.5 degrees. How high does it go? To…

Q: Two identical golf carts move at different speeds. The faster cart has twice the speed and therefore…

A: Kinetic energy is the energy possess by an object due to its motion. K = (1/2)mv2 K is proportional…

Q: In climbing up a rope, a 62-kg athlete climbs a vertical distance of 5.0 m in 9.0 s. What minimum…

A: Given Data: The mass of an athlete is m=62 kg The vertical distance is, d=5 m The time required to…

Q: How fast can a motor lift a 20kg object to 10m if the power produced ia 1000W?

A: POWER = F.V F= m g h = 20 x10 x 10 = 2000 N P= 1000W M=20 Kg

Q: A 65 kg mountain climber climbs through a vertical rope at a constant acceleration from rest to a…

A: Write the given values with the suitable variables. m=65 kgu=0 m/sv=1.25 m/st=10 s Here, m, u, v,…

Q: If 2.0 J of work is done in raising a 0.180 kg apple, how far is it lifted? (Remember: F = mg)

A: Given Work done W=2J Mass of apple m=0.18kJ

Q: The famous cliff divers of Acapulco leap from a perch 35 m above the ocean. How fast are they moving…

A: Details Given: Height of cliff = 35m The velocity of cliff divers is calculated from the formula of…

Q: Calculate the work you must do to accelerate 2 kg from rest to 1 m/s. Answer in Joules.

A: Given: The mass of the object is 2 kg. The initial speed of the object is 0 m/s. The final speed of…

Q: Two identical golf carts move at different speeds. The faster cart has twice the speed and therefore…

Q: How much work does a sled dog do if she pulls with a force of 55 N on a horizontal track over a…

A: Here, Force and displacement are in the same direction, Therefore, Work done= Force x Distance…

Q: A 5 Kg block moves with speed of 72 Km/h. its kinetic energy is 100J.a O 1000J.bO 2000J.cO

A: Answer:- (b) 1000 J Given Mass of a block ( m) = 5 kg Speed (V) = 72 km/ h V = [(72 ×…

Q: A man of mass 75kg runs up a flight of 50 steps in 15 seconds. Calculate the power output, when this…

Q: Rita raises a 10.0 kg package to a height of 2.5 m in 2.0 s. How much power was expended on the…

A: Given Mass (m) = 10 kg Height (h) = 2.5 m time (t) = 2 s Work done by Rita against gravity w =…

Q: If the man in exercise of 500 J pushes the lawn mower 6.0 m in 10 s, how much power does he expend?

A: Energy expended (E) = 500 J Distance moved (d) = 6 m Time (T) = 6 seconds

Q: Does work transfer energy?

Q: Discuss the design of the roller coaster shown in the sketch in terms of the conservation of energy.

A: All the hills through which the roller coaster moves are of same height. Because of this the roller…

Q: What can you do to increase the power you develop as you climb a flight of stairs?

A: Power is defined as the work done per unit time. P=worktime According to the work-kinetic enrergy…

Q: What is negative energy?

A: a body can posses three types of energy : positive energy negative energy zero energy Positive…

Q: = of energy?

A: All physical matter in the universe has energy. A glass of water has all kinds of energy: It has…

Q: Calculate the kinetic energy in Joule, of a car of mass 1700kg travelling at 95km/h.

Q: Calculate the power output of a 14-mg fly as it walks straight up awindowpane at 2.3 cm>s.

A: The mass of fly, m=14 mg=14×10-6 kg The velocity, v=2.3 cm/s=2.3×10-2 m/s

Q: Calculate the kinetic energy in joules of a 150 lb jogger (68.1 kg) traveling at 12.0 mile/hr (5.36…

A: Given, mass of the jogger, m = 150 lb = 68.1 kg speed of the jogger, v = 12.0 milehr = 5.36 ms

Q: How much work does gravity do on a 0.150 kg ball falling from a height of 10 m? (Neglect air…

Q: Mo'Ne Davis could pitch a baseball with a mass of 0.142 kg at 31.2 m/s in the 2014 Little League…

Topic Video

Question

energy supplied by such a diet each second, and hence the person's average power. (Give your answer to
the nearest 10 W.)

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Explain, in terms of the definition of power, why energy consumption is sometimes listed in kilowatt-hours rather than joules. What is the relationship between these two energy units?
Coal is lifted out of a mine a vertical distance of 50 m by an engine that supplies 500 W to a conveyer belt. How much coal per minute can be brought to the surface? Ignore the effects of friction.
A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile) and encounters an average frictional force of 1200 N. What is its average power output in watts and horsepower if this takes 7.30s?
The force exerted by a diving board is conservative, provided the internal friction is negligible. Assuming friction is negligible, describe changes in the potential energy of a diving board as a swimmer drives from it, starting just before the swimmer steps on the board until just after his feet leave it.
The man of the preceding problem consumes approximately 1.05107J (2500 food calories) of energy per day in maintaining a constant weight. What is the average power he produces over a day? Compare this with his power production when he runs up the stairs.
Check Your Understanding Estimate the power expended by a weightlifter raising a 150-kg barbell 2 m in 3 s.
Check Your Understanding Fend the forces on the particle in Example 8.6 when kinetic energy is 1.0 J at x=0.
If motor A has twice as much horsepower as motor B, then motor A has the power capability to do ___. (4.4) (a) half the work in twice the time (b) the same work in half the time (c) twice the work in half the time (d) none of the preceding
Suppose you are jogging at constant velocity. Are you doing any work on the environment and vice versa?
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance?
A particle of mass 2.0 kg moves under the influence of the force F(x)=(5x2=7x)N . Suppose a frictional force also acts on the particle. If the particle’s speed when it starts at x=4.0 m is 0.0 m/s and when it arrives at x=4.0 m is 9.0 m/s, how much work is done on it by the frictional force between x=4.0 m and x=4.0 m?
What is the dominant factor that affects the speed of an object that started from rest down a frictionless incline if the only work done on the object is from gravitational forces?