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
Katarina [22]
3 years ago
14

Can someone please help me think of an idea for this. My teacher wants me to think of a gadget that uses two simple machines, an

d it has to be able to help a child or an elderly person with a house hold chore. Please help me come up with an idea.
Physics
2 answers:
ohaa [14]3 years ago
8 0
A dishwasher and a dryer im not sure if that is right but that’s what I would put
AveGali [126]3 years ago
4 0
A vacuum or a electric can opened
You might be interested in
A source vibrating at constant frequency generates a sinusoidal wave on a string under constant tension. If the power delivered
marysya [2.9K]

When the amplitude varies, it means twice as much.

<h3>Which instances of sinusoidal waves are there?</h3>

Simple harmonic motion, such the swinging of a pendulum or the weight of a weight on a spring, produces a sinusoidal relationship between position and time. Sound and water waves, for example, can be visualized as sinusoids.

Given:

if the string is given four times as much power.

According to the power that a sinusoidal wave on a stretched string transmits,

P =\frac{1}{2} μω^A^2v

Where  μ=mass per unit length, w= angular speed, A= amplitude, v= wave speed, P= power delivered.

P ∝A^{2}

Here, the only terms we need are power and amplitude.

A =K\sqrt{P}

Where K is constant

Here, "power become quadruple" refers to four,

A = \sqrt{4P}

A =2 \sqrt{P}

Therefore, an increase in amplitude by a factor of two is equivalent to a twofold increase.

To know more about sinusoidal wave visit:-

brainly.com/question/28449631

#SPJ4

3 0
1 year ago
Marissa keeps track of all attendance records for the local preschool. Which
stiks02 [169]

Answer: C and A

Explanation: a p e x :)

Fllw me on ig (Kyojei)

3 0
3 years ago
Read 2 more answers
When a person holds an object, it has potential energy. How will the potential energy change if the person lifts the object abov
anygoal [31]

Answer:

While In an <em><u>ideal/isolated</u></em> system, as long as the object is not in motion, its potential energy will be the same.

However, <u>potential energy is relative</u>. On Earth, usually, it is measured with respect to gravity. <u>The higher the object, the greater the potential gravitational energy</u>. It's all relative. For the sake of this question, I would assume that potential energy increases.

Explanation:

While kinetic energy depends upon speed, potential energy is always relative to some arbitrary reference point.

Source https://www.physicsforums.com/threads/potential-energy-kinetic-energy.11481/

6 0
4 years ago
Read 2 more answers
it takes a school bus full of kids longer to stop than it does a small car with a single passenger. which law is this an example
exis [7]

Newton´s second law of motion

7 0
4 years ago
What should be done to lift the same load by applying less effort on an inclined plane​
Scorpion4ik [409]

Answer:

Reduce the friction at the surface

Explanation:

If you can reduce the friction between the load and the plane less effort will be required as you are not having to apply effort to overcome friction.

5 0
2 years ago
Other questions:
  • A kite is inscribed in a square with a side length of 9 units.
    8·2 answers
  • A stuntman wants to bungee jump from a hot air balloon 60.0 m above a the ground. He will use a uniform elastic cord, tied to a
    8·1 answer
  • In the lab, a student is investigating the effects of texting and driving on reaction time. A
    11·1 answer
  • PLEASE I NEED SOME HELP!
    12·1 answer
  • On the way down the ball Velocity is ?
    7·1 answer
  • HELP || A delivery van has a mass of 7000 kg and a kinetic energy of 31,500 J. What is the speed? A) 4.5 m/s B) 2.1 m/s C) 3 m/s
    5·2 answers
  • What is accerlation due to gravity?? ​
    8·1 answer
  • How do you calculate the momentum of something?
    9·1 answer
  • 1. List the four fundamental forces from weakest to strongest.
    12·1 answer
  • Electrical energy is supplied to a string of lights. What forms of energy are lost?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!