03-11-2021
Physics

contestada

A person pushes a box up a ramp that is 3m long and 1m high. If the box has a mass of 20kg and the person pushes with a force of 80N, what is the efficiency of the ramp?

Respuesta :

infinishaw infinishaw

03-11-2021

Answer: 3

Explanation:

Answer Link

Otras preguntas

Why is it important to train product owner and product management before launching the art?

How were special economic zones (sezs) supposed to help the chinese economy? by establishing agricultural cooperatives by increasing foreign investment by raisi

A substance is tested and has a ph of 7.0. how would you classify it? a. a strong acid b. a strong base c. a weak acid d. neutral

A. consider your favorite teacher. what people-oriented and task-oriented leadership behaviors did they use effectively? refer to specific behaviors and example

Consider the following reaction at 298K. I2 (s) + 2 Cr2+ (aq) 2 I- (aq) + 2 Cr3+ (aq) Which of the following statements are correct? Choose all that apply. n =

Do you believe that the way that men and women speak changes over their lifetime?

Janet lives in miami and has low to moderate income. she wants to buy a home in miami priced at $150,000 but doesn’t have enough savings to put up the 20% down

What does it mean when we say that genetic factors influence what dose of a drug will be safest and most effective for you?

What is a reason for the bystander effect where people assume others will help in a situation?.

Which explanation accurately reflects the ""interpersonal needs"" use of communication?