Find how much work is done on the rail car

Reference no: EM13299436

A rail car that weighs 40 N is accelerated at 6.9 m/s/s for 4.9 seconds. How much work is done on the rail car? The acceleration is constant.

Reference no: EM13299436

Questions Cloud

Derive the 3-h snyder unit hydrograph for a 100-square km : Derive the 3-h Snyder unit hydrograph for a 100-km^2 watershed where the main stream is 15 km long and the distance from the watershed outlet to the point on the stream nearest to the centroid of the watershed is 7 km.

Find the speed of the arrow : A soldier has a huge contraption that notches a large 3 kg arrow (it looks more like a lance) in a massive bow, What is the speed of the arrow

Draw a footing detail showing all pertinent design parameter : design a square individual footing to support a 16 inch square reinforced concrete column. service loads include a dead load of 180 kips and a live load of 140 kips. both column and footing have fc=3000psi and fy=60000 psi.

Compute the cash collections from sales for each quarter : The beginning accounts payable balance is $72 million. Assuming all sales are on credit, compute the cash collections from sales for each quarter.

Find how much work is done on the rail car : A rail car that weighs 40 N is accelerated at 6.9 m/s/s for 4.9 seconds. How much work is done on the rail car

How high can the hump be made without backing flow up : A smooth hump is placed in the bottom of the channel. What would be the depth of flow over a 3 ft high jump. How high can the hump be made without backing flow up What would be the depth of flow over and just upstream of a 6 ft high jump

What is the speed of the moving cart before the collision : A 206 kg cart runs into the rear end of a 102 kg cart that is stationary. What is the speed of the moving cart before the collision

Compute the present value of this stream of income : Now compute the present value of the income stream from the gold mine at a discount rate of 6%, and at a discount rate of 4%.

What are the cash flows to tom under each scenario : The company needs a cash infusion of $1.5 million, and it can issue equity or issue debt with an interest rate of 9 percent. Assume there are no corporate taxes.

User Account

All Pages