AnthonyLWoolley AnthonyLWoolley

10-12-2020
Physics

contestada

How high does a 150 kg piano have to be lifted to have 8000 J of gravitational potential energy?

A. 3.1 m

B. 5.4 m

C. 6.2 m

D. 1.2 m

Respuesta :

Eddie1Wan Eddie1Wan

10-12-2020

Answer:

B.5.4m

Explanation:

Potential Energy=mass×gravity×height

8000=150×9.8×x

8000=1470x

x=8000/1470=5.4m

Answer Link

Otras preguntas

Explain how the US concentration addressed the failures of the the Article of confederation

Kevin bought a package of 24 colored pencils for his art class. The package cost $23.28. how much did he pay for each pencil?

Read this stanza from Allen Ginsberg’s "A Supermarket in California. " I heard you asking questions of each: Who killed the pork chops? What price bananas? Are

(NO LINKS)Read the passage from "Cool Jobs Part 1." Extracting DNA from the sample is cheaper and easier than trying to identify microbes visually under a micro

Using the same set-up question #23 what happens if the voltage of the battery is decreased by half? A. The voltage at each bulb increases by half B. The voltage

Need help! In ΔABC right angled at A, D and E are points on BC, C such that BC= CD and AD ⊥ BC

HELP AND SHOW UR WOrk Which of the expressions below has a product that is greater than 75? Select all that apply. A) 8.92 × 8 B) 9.55 × 8 C) 12.8 × 6 D) 12.1 ×

Lori creates the following design for a T-shirt. Lori found the areas of Triangle 1 and Rectangle 1. Find the areas of the remaining figures. The area of Rectan

The body of a speech includes: A. the main points, subdivisions, and supporting details B. the introduction, main points, and conclusion C. the main points, sup

A triangle has sides with lengths of 60 feet, 63 feet, and 87 feet. Is it a right triangle?