Question: A railroad car moves under a grain elevator at a constant speed of 3.20m/s. Grain drops into the car at the rate of 540 kg/min.

A railroad car moves under a grain elevator at a constant speed of 3.20m/s. Grain drops into the car at the rate of 540 kg/min. What is the magnitude of the force needed to keep the car moving at constant speed if friction is negligible?

Step by Step Solution

★★★★★

3.46 Rating (156 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

We convert mass rate to SI units R 540 kgmin60 smin 900 kgs In t... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

2-P-M-L-M (287).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

A roller coaster car traveling at a constant speed of 20.0 m/s on a level track comes to a straight incline with a constant slope. While going up the incline, the car has a constant acceleration of...

A 900-kg car cruising at a constant speed of 60 km/s is to accelerate to 100 km/h in 6 s. The additional power needed to achieve this acceleration is (a) 41 kW (b) 222 kW (c) 1.7 kW (d) 26 kW (e) 37...

A rocket car is traveling at a constant speed of 250 km/h on a salt flat. The driver gives the car a reverse thrust, and the car experiences a continuous and constant deceleration of 8.25 m/s2. How...

A railroad car moves under a grain elevator at a constant speed of 3 . 9 0 m s . Grain drops into the car at the rate of 5 0 0 k g m i n . What is the magnitude of the force needed to keep the car...

A railroad car moves at a constant speed of 3.60 m/s under a grain elevator. Grain drops into it at the rate of 610 kg/min. what force must be applied to the railroad car, in the absence of friction,...

1. After ring a cannon ball, the cannon moves in the opposite direction from the ball. This an example of: A. Newton's First Law B. Newton's Second Law C. Newton's Third Law D. Newton's Law of...

kindly answer all these A space probe, initially at rest, undergoes an internal mechanical malfunction and breaks into three pieces. One piece of mass m 1 5 48.0 kg travels in the positive x -...

solve using given information 1. Evaluate the following integrals. a. /t2 cos(t3) dt 2_ b. [La 11:3ac+1 a c. / awn/a7 , as2 clue, where a is a positive constant. 0 2. A toy railroad car moves back...

A railroad car moves at speed $v_{\mathrm{i}}$ on a track toward three other railroad cars at rest on the track. All the cars are identical, and each stationary car is some distance from the...

Design Problems The Grain Elevator System is a program for tracking the grain stored in a grain elevator as it arrives in trucks from farms, and is shipped out in trains from the elevator. Questions....

Discuss how the sophistication of the organizations accounting information system impacts the accounting data and output and how the requirements for the accounting outputs impact the design of the...

1. E-commerce is growing rapidly. Many experts predict it as a marketing model for the future. How do you become an entrepreneur in cyberspace? Some examples of entrepreneurs in cyberspace are...

An analyst has evaluated two mutually exclusive projects that have 3 - year lives. Project x has an NPV of $ 6 5 , 0 0 0 , and an IRR of 1 0 . 5 percent. Project Y has an NPV of $ 7 2 , 0 0 0 , and...

please please solve thisforme its urgggggent please and thank you Image Characteristics Object Position Image Position (closer, further, same) Orientation (Upright or Inverted) Size (Smaller, Same,...

An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6500 rev/min. (a) Calculate the magnitude of the centripetal acceleration at its edge in meters per second squared and convert...

As it passes over Grand Bahama Island, the eye of a hurricane is moving in a direction 60.0 north of west with a speed of 41.0 km/h. Three hours later, the course of the hurricane suddenly shifts due...

(a) Vector E has magnitude 17.0 cm and is directed 27.0 counterclockwise from the + x axis. Express it in unitvector notation. (b) Vector F has magnitude 17.0 cm and is directed 27.0 counterclockwise...

An airplane starting from airport A flies 300 km east, then 350 km at 30.0 west of north, and then 150 km north to arrive finally at airport B. (a) The next day, another plane flies directly from A...

Problem 7-12 Future Value of an Amount Saved [LO5] You estimate that you can save $10,200 by selling your home yourself, rather than using a real estate agent. What is the future value of that amount...

The stock price of Heavy Metal (HM) changes only once a month: either it goes up by 20% or it falls by 16.7%. Its price now is $40. The interest rate is 1% per month. a. What is the value of a...

ask the users for 3 numbers and print out all three numbers in descending order write code in little man computer