Answers: 1
Physics, 21.06.2019 23:30
Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work
Answers: 1
Physics, 22.06.2019 17:30
You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.
Answers: 3
Physics, 22.06.2019 23:00
As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "
Answers: 1
Physics, 23.06.2019 00:20
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?
Answers: 3
What force is represented by vector A...
Biology, 20.06.2021 06:00
Mathematics, 20.06.2021 06:00
Mathematics, 20.06.2021 06:00
Computers and Technology, 20.06.2021 06:10
Social Studies, 20.06.2021 06:10
Social Studies, 20.06.2021 06:10
Mathematics, 20.06.2021 06:10
Spanish, 20.06.2021 06:10
Mathematics, 20.06.2021 06:10
Mathematics, 20.06.2021 06:10
Mathematics, 20.06.2021 06:10
Social Studies, 20.06.2021 06:10
Mathematics, 20.06.2021 06:10