raghad272007 raghad272007

14-06-2022
Physics

contestada

A weight trainer lifts a 90.0-kg barbell from a stand 0.90 m high and raises it to a height of 1.75 m. What is the increase in the potential energy of the barbell-Earth system?

Respuesta :

ellie2yannahdibia ellie2yannahdibia

14-06-2022

Answer:

∆PE = 749.7 J

At 0.9 m high, PE = 793.8 J

At 1.75 m high, PE = 1543.5 J

Answer Link

Otras preguntas

What is the main theme of robert frost poems?

What causes tomatoes to ripen much more slowly in a refrigerator than they do if left on a table at room temperature?

How do you rewrite x^2/3 in radical notation?

What is the GCF of 1.) 14b^2 - 35b^2 2.) 18x^3y^2 + 42x^2y^3 3.) 12x^2 + 16y^2 4.) 3x^2 - 9 you + 12 5.) 45x^3 - 60xy^2 6.) 36x^2 + 18x^3 - 6 + 12x^4

Scientists have discovered a new species of animal. Which would provide the best basis for classifying this new species? A DNA comparison B diet of animal

what type of number is 3.14

How do I round 3.8129 to 3 decimal places?Please help!!!

Give 2 examples of the following relationships between organisms - producer/consumer, -predator/prey, mutualis parasitism

in the number 550,is the value of the 5 in the tens place ten times greater than the value of the 5 in the hundreds place?explain why or why not

how do fossils show evidence of the changing surface of the Earth?