jasminebodea jasminebodea
  • 02-11-2020
  • Physics
contestada

a dad expends 200 joules of work pushing a stroller up a hill. he produces 125 j of work. how efficient is he being?

Respuesta :

swiesemann1029 swiesemann1029
  • 02-11-2020
Not efficient enough
Answer Link

Otras preguntas

what is the best definition of an atom?a. an atom is the smallest part of an element that is still that element.b. an atom is matter that has been bonded.c. an
When people agree that their government has the right to make and enforce law, that government is called?
What makes sugar dissolve faster
Which of these is not a factor influencing the rate of a chemical reaction? A. the concentration of reactants B. the surface area of reactants C. the presenc
which best describes the colonists attitude toward american indians
The function below shows the number of car owners f(t), in thousand, in a city in different years t: f(t) = 0.25t2 - 1.5t + 2.5 The average rate of change of f(
Which development shows a significant effect of modernization on the surrounding natural environment? destruction of ancient forests for new farmland in the No
write -12 as an fraction
multiply (5x2 x − 4)(x 2). 5x3 x2 − 4x − 8 5x3 11x2 − 2x − 8 5x3 10x2 − 4x − 8 5x3 20x2 2x − 8
Calculate the average atomic mas of an unknown element that has two naturally-occurring isotopes. The first isotope occurs 75.47% of the time and has a mass of