Physics, 20.03.2021 06:00 hannmq4179
a wheelbarrow contains two simple machines - a lever and a wheel and ax. for a certain wheelbarrow, the lever has an efficiency of 72%, and the wheel and axle has an efficiency of 64%. what is the overall efficiency of the wheelbarrow?​
Answers: 1
Physics, 21.06.2019 19:20
Describe the path of the electric current through a circuit?
Answers: 1
Physics, 22.06.2019 08:00
Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.
Answers: 3
Physics, 22.06.2019 11:00
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
Answers: 1
Physics, 22.06.2019 18:30
An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
Answers: 2
a wheelbarrow contains two simple machines - a lever and a wheel and ax. for a certain wheelbarrow,...
Biology, 28.06.2019 11:10
Mathematics, 28.06.2019 11:10
Mathematics, 28.06.2019 11:10
Social Studies, 28.06.2019 11:10
Geography, 28.06.2019 11:10
Mathematics, 28.06.2019 11:10
History, 28.06.2019 11:10
Mathematics, 28.06.2019 11:10
Mathematics, 28.06.2019 11:10
Mathematics, 28.06.2019 11:10
Social Studies, 28.06.2019 11:10