Which of the following is an example of a lever?
a. knife
b. screw
c. nutcracker<...
Physics, 03.02.2020 11:00 heids17043
Which of the following is an example of a lever?
a. knife
b. screw
c. nutcracker
d. pencil sharpener
Answers: 2
Physics, 21.06.2019 22:20, CM0
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, 23.06.2019 01:00, lol23051
The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?
Answers: 3
Physics, 23.06.2019 03:30, anjali1097
First to answer will be the brainliest i need the answer asap
Answers: 1
Mathematics, 09.02.2022 01:00
Physics, 09.02.2022 01:00
Mathematics, 09.02.2022 01:00
Mathematics, 09.02.2022 01:00
Social Studies, 09.02.2022 01:00