A 4000-lb wrecking ball hangs from a 40-ft cable of density 8 lb/ft attached to a crane. Calculate the work done if the crane lifts the ball from ground level to 40 ft in the air by drawing in the cable. W = ft-lbs.

Q: The hammer is hitting a box with a force of 30N. The top surface area of the box is 5 m2. Calculate…

A: we can get pressure by p=f/a in which f is force and a is area

Q: A soccer ball is kicked upward from a height of 4 ft with an initial velocity of 64 ft/s. How high…

A: The soccer ball is kicked upward and the ball will eventually slow down as it ho higher due to the…

Q: A stone is thrown vertically upward from the ground with an initial velocity of 40 ft/s. How high…

A: Solution :  Given that  Initial Velocity u = 40 ft/s  Final Velocity V = 0 Height  h = ?

Q: A soccer ball is kicked upward from a height of 9 ft with an initial velocity of 64 ft/s. How high…

A: A soccer ball is kicked upward from a height of 9ft with an initial velocity of 64 ft/s. To find how…

Q: Convert 980 cm/s² to he (m kg s) system units.

A:

Q: A 7,453 newton car is initially at rest. How much force (in Newton) is required to move the car by…

A:

Q: The rectangular tank shown here, with its top at ground level, is used to catch runoff water. Assume…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three sub…

Q: A 8,511 newton car is initially at rest. How much force (in Newton) is required to move the car by…

A: 2

Q: A bar with a diameter of 2 inches is put under a 7000 pound load. What is the stress in the bar, in…

A: Stress in the bar in psi: The general formula to obtain stress in the bar in psi is given below:

Q: A metal chain ladder, 20 meters long, has a linear density of 3 Newtons per meter, and hangs down…

A:

Q: A pressure of 4N/m2 is exerted on a car that has been crushed at a junkyard. The force was 160N.…

A:

Q: A block with a mass of 9.00 kg is pulled at a constant speed across a horizontal tabletop with a…

A: Coefficient of kinetic friction =fR where, f=61.8 N & R=9 kg

Q: A force of 8 lb is required to hold a spring stretched 8 in. beyond its natural length. How much…

A: Given: A force 8 lb is required to hold a spring stretched 8 in. beyond its natural length.

Q: An elevator is moving upward at 3.00 m/s. Compared to the force the cable pulls the elevator, the…

A: solution

Q: A steel column with the cross section shown has a 13.3-ft effective length. Using Allowable Stress…

A: Answer is given below:

Q: A solid round aluminum bar has a diameter of 1.2 in. The bar is loaded in compression with an axial…

A:

Q: A force of 40 lb is required to stretch a spring 2 feet beyond its natrual length. How much work is…

A:

Q: Ms Excel  identify the density at 21.6 degrees

A: Given:  ---------------------------------------------- Assumption:  The density changes linearly.…

Q: The rectangular tank shown here, with its top at ground level, is used to catch runoff water. Assume…

A: A rectangular tank with its top at ground level, is used to catch runoff water. Assume that the…