Compute the net work done

Assignment Help Physics

Reference no: EM13261927

Problem 1: As a 75 slug car travels along a horizontal, 3200 ft section of road, it changes speed from 5 mph to 60 mph. If the
friction force acting on the car is 25 lbf, what is the total work?

Problem 2: A 180 lbm person climbs a stairway consisting of 150 stairs, each with a vertical rise of 8 inches. How much work does
this person do against gravity?Homework

Problem 3: A crate is dragged across a rough floor by a force of 120N asz` shown below. A friction force of 40N acts to slow the
motion of the crate. If the crate is dragged 25m across the floor

a) what is the work done by the 120 N force?

b) what is the work done by the friction force?

c) what is the net work done?

Reference no: EM13261927

Questions Cloud

What amount will you have to deposit today to fund : What amount will you have to deposit today to fund this deferred annuity? Use an 8% discount rate and round your answer to the nearest RM100.

What is insider trading and why is it forbidden : What are the four major provisions of the Clayton Act and what types of activities do these provisions prohibit? List all four and describe the activities each prohibits.

How fast must diana through the apple : While eating lunch with friends Diana spots her boyfriend having lunch, and having a good time with, How fast must Diana through the apple so that it hits her boyfriend

How fast can jeffrey travel around the curve on a dry day : Jeffrey is driving his Toyota Prius the freeway and reaches his exit. The exit has a radius of curvature of 25m and is banked 38°. How fast can Jeffrey travel around the curve on a dry day

Compute the net work done : A crate is dragged across a rough floor by a force of 120N asz` shown below. A friction force of 40N acts to slow the motion of the crate. what is the net work done

Reaction-glucose-phosphate : What is the ?G°? for the reaction (at 25°C)? The ?G for the reaction in vivo is +2.5 kJ/mol. Conceptually, what is the difference between a ?G°? and a ?G? What does this given value of ?G tell you about the direction this reaction proceeds in vivo?

Relationship among patient among physician : What are The most common challenges associated with HIM out the relationship among patient among physician, hospital- physician, and hospital-patient relationships are

What is the angle of refraction of the final outgoing ray : A thin film of water sits on top of a flat piece of glass, and light is incident from below, what is the angle of refraction of the final outgoing ray

Theories of liability as related to health information : What are the principles and theories of liability as related to health information management

User Account

All Pages