Physics, 15.01.2021 18:30 reneebrown017
4. A weight trainer holds a 80.0 kg barbell at a shoulder height of 1.85m and then sets it
down on a stand that is 0.95 m tall. When on the stand:
a. What is their gravitational potential energy relative to the ground?
b. What is the barbell's gravitational potential energy relative to the shoulder height?
c. What is their gravitational potential energy relative to the stand height?
Answers: 2
Physics, 21.06.2019 22:50
A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp
Answers: 1
Physics, 22.06.2019 21:30
Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?
Answers: 3
4. A weight trainer holds a 80.0 kg barbell at a shoulder height of 1.85m and then sets it
down on...
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