1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ycow [4]
3 years ago
14

Un joven cargó una caja de 18 kg hasta una altura de 2.5 metros tardando 11 segundos. Un montacargas lo hizo en 2 segundos. ¿Qué

potencia desarrolla la persona y la máquina?
History
1 answer:
erastovalidia [21]3 years ago
5 0

Answer:

ver explicación

Explanation:

La potencia se define como la tasa de tiempo de realización del trabajo.

Potencia = trabajo realizado / tiempo empleado

En este caso, trabajo realizado por el niño y la máquina = mgh

m = masa del bidy

h = altura

g = aceleración debida a la gravedad

Ancho = 18 × 10 × 2,5 = 450 J

Potencia desarrollada por el niño = 450 J / 11 segundos = 41 W

Potencia desarrollada por la máquina = 450 J / 2 segundos = 225 W

You might be interested in
Please help!!
myrzilka [38]
The correct answer is a
6 0
3 years ago
Read 2 more answers
ECON!!
Phoenix [80]

Answer:

Welfare refers to a range of government programs that provide mainly financial aid to individuals or groups who cannot support themselves.

Cash transfers is where the recipients receive cash or a pre-loaded credit card which they can use to purchase the goods and services they need. In-kind benefits work differently in that people receive a specific good or service, such as food or health care.

Temporary Assistance to Needy Families is actually designed to help people get back on their feet and become self sufficient, as compared to Welfare where the money doesn't even come close to become self sufficient.

Social Security is a type of insurance that gives benefits to people who retire, people with disabilities and survivors of a critical injury

Explanation:

:)

7 0
3 years ago
Which one of the following is not true of the Dred Scott decision?
melamori03 [73]
"<span>Slavery was abolished in the United States" has nothing to do with the Dredd Scott case, which instead said that blacks had no standing in court because they were not citizens. </span>
5 0
3 years ago
When were fireworks first used in an official Fourth of July celebration?
Kazeer [188]
July 4, 1777 which is was independence day
4 0
3 years ago
Beginning with the presidential elections of 2000, the term "blue state" has been used to describe a state in the U.S. whose cit
murzikaleks [220]

Answer:

Beginning with the presidential elections of 2000, the term "blue state" has been used to describe a state in the U.S. whose citizens primarily vote for the Democratic Party.

Explanation:

5 0
3 years ago
Other questions:
  • How did nativists treat immigrants in the late 1800s and early 1900s?
    9·1 answer
  • Henry Clay planned to fund the American System largely through
    6·2 answers
  • The core of this faith is the belief that muhammad, a respected businessman in mecca, received revelations from god that have be
    6·1 answer
  • 6. What was the main goal of the Ming empire?
    8·1 answer
  • Cause and affect on the opiumwar
    5·1 answer
  • A negative effect of the American Recovery and Reinvestment Act was that
    13·2 answers
  • In ancient Greece, the Olympics were composed of fewer events compared to the modern games. True False
    10·2 answers
  • Question 21 (3.333 points)
    14·1 answer
  • How did technologial Advances in agriculture<br> affect the inclustrial revolution?
    5·1 answer
  • Explain how the huge reduction of the tasmanian devil population since 1996 affects the susceptibility of the current population
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!