Answer Happy

college.com/course.html?courseld=17403621&OpenVellumHMAC-1ae4bcbf962b8932bc424ce19c Little Hudson holds the 10-kg barbell 0.4 m above the floor. Part A What is the PE of the barbell relative to the floor? Express your answer to two significant figures and include appropriate units. 40 J Submit Previous Answers ✓ Correct Part B How much additional work will Hudson do when he lifts the barbell to a height 1.2 m above the floor? Express your answer to two significant figures and include appropriate units. 80 J Danreon
▾ 80 J Submit Previous Answers Correct Correct answer is shown. Your answer 78.48 J was either rounded differently or used a differer Part C If Hudson then drops the barbell, what will be its KE of impact with the floor? Express your answer to two significant figures and include appropriate units. HA Value - 0 Units B ? Submit Previous Answers Request Answer * Incorrect; Try Again; 6 attempts remaining