How much work is done on the sack by lifting required

Reference no: EM1318947

Q1. The cannonball is fired at a speed of 53.0 and an angle of 31 above horizontal. A cannonball that was accidentally dropped hits the moat below in 1.40. How far from the castle wall does the cannonball hit ground?

Q2. A sack of flour of mass 5.00 rm kg is lifted vertically at a constant speed of 3.50m/s through the height of 15m.

How great a force is required? How much work is done on the sack by lifting required? What becomes of the work?

Reference no: EM1318947

Questions Cloud

Neglect friction between the crate and the truck bed : A ranger in a national park is driving at 24.0 mi/h when a deer jumps into the road 270 ft ahead of the vehicle. After a reaction time of t, ranger applies the brakes to produce an acceleration of a = -9.00 ft/s2. What is the greatest reaction tim..

Writing the normal equations of linear regression : Use the following data to write the normal equations of the linear regression between Y and X, and find the least squares regression.

What is the acceleration of object sliding down that plane : An observer inside the building notices that it takes 0.15s for the tile to pass her window, whose height is 2.20m. How far above the top of this window is the roof.

Significant challenge of federal register : Analyze the ways in which managers could use the Federal Register to determine the single most significant challenge associated with its use, and how managers could address that challenge.

How much work is done on the sack by lifting required : The cannonball is fired at a speed of 53.0 and an angle of 31 above horizontal. A cannonball that was accidentally dropped hits the moat below in 1.40. How far from the castle wall does the cannonball hit ground.

Sampling distribution of the population mean : According to the study, the mean age of a self-employed individual is 46.6 years with a standard deviation of 10.8 years.

The crate is pushed over a distance of 5.6 m : Presume you carry a bag of groceries weighing 148 N from your car to the kitchen, a distance of 59m, without raising or lowering the bag.

Role of leader in change process : Discuss the role of the leader in the change process, the different responsibilities that leaders and HR managers have in a change project.

Estimate the length of a side of a cube : Estimate the length of a side of a cube

User Account

All Pages