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
Juli2301 [7.4K]
3 years ago
12

A little girl slid down a playground slide, decreasing her potential energy by 1000 J while increasing her kinetic energy by onl

y 900 J. Why did she lose 100 J of mexhanical energy
Physics
2 answers:
Kaylis [27]3 years ago
8 0

Answer:

Due to friction, 100 joules were lost in the form of heat energy

Explanation:

The law of conservation of energy states that

<em>"Energy can neither be created or nor destroyed but rather it changes from one form to another"</em>

As the little girl was sliding down the playground slide, her potential energy was decreasing and at the same time her kinetic energy was accumulated. As we know there is friction in the slide and because of this not all of the of potential energy is converted into kinetic energy. Some of the energy will be lost due to friction taking the form of heat. Therefore, the 100 joules of energy was lost in the form of heat due to friction of the slide.

koban [17]3 years ago
5 0

Answer:

Explanation:

This is because The 100 J of potential energy that doesn't go into increasing her kinetic energy goes into thermal energy—heating her bottom and the slide.

You might be interested in
Which of the following types of technologies has best helped scientists to study very high-energy objects in outer space, such a
erica [24]

Very high-energy objects and events spit out very high-energy photons, so the instrument you need in order to detect them is the       X-ray telescope. <em>(C)  </em>

Inconveniently, X-ray telescopes only work when they're up in orbit, because X-rays get seriously soaked up in Earth's atmosphere, and most of them never make it down to the surface ... (lucky for us !) .

3 0
3 years ago
Read 2 more answers
Which of the following statements describe the transfer of energy a. Collision of atoms causing nuclear reactions B. A car speed
oksano4ka [1.4K]
I think the answer would be A.
8 0
3 years ago
A displacement vector 5 units long makes an angle of 67° with the x-axis. What is the horizontal component of displacement?
Harman [31]

Yo sup??

magnitude of original vector is 5 units.

angle made with x axis is 67°

horizontal component=5*cos67°

=5*0.4

=2 units (approx)

Therefore the correct answer is option B

Hope this helps

7 0
3 years ago
Read 2 more answers
To make the jump, Neo and Morpheus have pushed against their respective launch points with their legs applying a _____ to the la
ra1l [238]
Force, newtons 3rd law of motion stated for every action there is an equal and opposite reaction
7 0
3 years ago
PHYSICS<br> I need help with number two!!!!
EleoNora [17]

Answer:

mgh₁ + ½mv₁² = mgh₂ + ½mv₂²

Explanation:

Initial total energy = final total energy

PE₁ + KE₁ = PE₂ + KE₂

mgh₁ + ½mv₁² = mgh₂ + ½mv₂²

7 0
3 years ago
Other questions:
  • Two cars are heading towards one another . Car a is moving with an acceleration of 11. And carb is moving at -4 m/s^2. The cars
    15·1 answer
  • WILL GIVE BRAINLY!! A hippogriff is a large flying creature that Hagrid watches over at Hogwarts. If the Hippogriff’s mass is 12
    12·2 answers
  • What is the degree of precision of the graduated cylinder 0.01 mL 0.1 mL 1 mL 10 mL
    5·2 answers
  • If the force of a golf club on a golf ball is 200 N forward, what will the force of the ball on the club be?
    15·2 answers
  • (PLEASE HELP) Which of the following is the name for two or more types of atoms that are chemically bonded together?
    9·2 answers
  • 10. The table below shows the melting point and the boiling point of four substances.
    13·1 answer
  • Q. Tom and Zoe make a string telephone. They use two empty tin cans joined by a piece of string. Tom and Zoe are 5 m apart. Tom
    14·1 answer
  • How can knowing a chemical property such as flammability help you to use a product safely?
    7·1 answer
  • An object's mass refers to _____ and an object's weight refers to _____. Fill in each blank.
    13·1 answer
  • Ang kongreso ang gumagawa ng pambansang Batas. Ito ay binubuo ng _____ kapulungan​.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!