Physics, 17.12.2020 17:50 daveankatie1671
If a runner travels 1600m in 420 seconds, her average speed is
Answers: 1
Physics, 21.06.2019 22:20
Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage
Answers: 2
Physics, 22.06.2019 11:00
I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
Physics, 22.06.2019 11:30
A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
Answers: 2
If a runner travels 1600m in 420 seconds, her average speed is...
Mathematics, 24.08.2020 20:01
Mathematics, 24.08.2020 20:01
Mathematics, 24.08.2020 20:01
Health, 24.08.2020 20:01
Mathematics, 24.08.2020 20:01
Mathematics, 24.08.2020 20:01
Physics, 24.08.2020 20:01
Mathematics, 24.08.2020 20:01
Chemistry, 24.08.2020 20:01
Mathematics, 24.08.2020 20:01
Computers and Technology, 24.08.2020 20:01