tessaubrey tessaubrey

17-02-2021
Mathematics

contestada

Please help me! 7th grade science!
A girl uses 60j of energy to move a box from the floor to a shelf. How much power does she use if it takes her 3 seconds to move the box?
15watts
20watts
90watts
180watts

Respuesta :

jacoboldcamp jacoboldcamp

01-03-2021

Answer:

The answer is 20 watts

Step-by-step explanation:

power=joules/seconds

60/3=20

Answer Link

Otras preguntas

Factorise fully and simplify where possiblex² - y²

Please help!!!! Giving brain

which term describes the formation of the Hidden communities to help runaway slaves alive

Find the area of the polygon.

If the black square rotates at a rate of 2 inches per second, how long would it take for one full rotation?

Describe a real-world situation that could be modeled with graph given below

What did you LEAST like about learning the unit HAMILTON this way? Please don't respond with "I don't know". *

what are the twa parts of central nervous system ?

Na2CO3(aq) + CaCl2(aq) —> 2 NaCl(aq) + CaCO3(s) Calculate the volume (in mL) of 0.100 M Na2CO3 needed to produce 1.00 g of CaCO3(s). There is an excess of Ca

Answer please..........