Physics, 11.02.2021 01:00 alex281485
The branch of physics pertaining to the origin
and nature of x-rays is defined by which of the
following?
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 00:00
An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?
Answers: 1
Physics, 22.06.2019 11:00
Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
Answers: 2
Physics, 22.06.2019 11:30
Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?
Answers: 2
The branch of physics pertaining to the origin
and nature of x-rays is defined by which of the
Mathematics, 19.03.2020 02:38
Computers and Technology, 19.03.2020 02:38
Mathematics, 19.03.2020 02:38
Mathematics, 19.03.2020 02:38
Mathematics, 19.03.2020 02:38