A crane is used to lift an object. The crane applies a force of 400 to lift the object a distance of 25 meters in 20 seconds. Calculate the work in J performed by the crane to lift the object

A stars actual brightness is called what

What is pitch related to?

What is the net force on an object at rest?

A bird flew16 km west in 5 hours, then flew 20 km east in 6 hours. what was the birdâs velocity?

What is a Nuclei of uranium atoms split apart

A sign that weighs 400N is hanging from two cables that form angles of 24 degrees with the horizontal. What is the tension in each cable?

What temperature does nuclear fusion begin?

A 24-volt source is required to furnish 48 watts to a parallel circuit consisting of four resistors of equal value. What is the voltage drop across each resistor?

NIST 800-14's Principles for Securing Information Technology Systems, can be used to make sure the needed key elements of a successful effort are factored into the design of an information security program and to produce a blueprint for an effective

Two balls are at the same height and released at the same time. One ball is dropped and hits the ground 5 s later. The other initially moves horizontally. When does the second ball hit the ground?