Marie1969 Marie1969

26-02-2021
Physics

contestada

How much work has John accomplished by lifting a 2 kg object 4 m?

A 78.4j
B 9.8
C 19.6j
D 39.2j

Respuesta :

Аноним Аноним

26-02-2021

Answer:

Weight= 2kg Height= 4m G= 9.8

We know work done = W= FD

W= (mg)(D)

W= (2*9.8)(4)

W=78.4 joules or 78.4 j

Answer Link

Otras preguntas

As a customer acquisition technique, events: a. Are considered mostly ineffective compared to mobile advertising or social media promotions b. Tend to be used i

Choose two values or traditions of the Village of Umuofia. Describe why this value traditio is important and what it teaches you about the community (Things fa

What attitude did the people of the United States share after the American Revolution? They approved of the way the Congress handled emergencies. They sought ad

The agency responsible forvpublic health providing immunizations programs and educating health workers

What type of human resource is the urgent need of Nepal's Give your opinions in a sentences

Tác dụng của các bút toán điều chỉnh

Resuelve los siguientesTriángulos semejantes, Obteniendo el valor de la incógnita faltante en cada caso

If Sterling silver is 90.0% silver and 10.0% copper, what is the maximum amount of Sterling silver that can be made if you have 48.3 grams of silver metal and a

Question 3 of 10 Is ASAM-ADEL? If so, identify the similarity postulate or theorem that applies. A. Similar - AA B. Similar - SSS C. Similar - SAS D. Cannot be

write one aspect of health education.