PHYSICS MIDDLE SCHOOL

The state of matter that keeps its shape and volume when it is placed in different containers

Answers

Answer 1
Answer: A solid is the only state of matter that keeps it shape and volume when placed in different containments

Related Questions

Definition and explanation of conduction convection and radiation in your own words
What does histogram mean
A 2.00x10^6 hertz radio signal is sent a distance of 7.30x10^10 meters from earth to a spaceship orbiting Mars. How much time does it take for the radio signal to travel from earth to the spaceship
Which movement causes day and night on Earth?rotation of Earthrevolution of Earth around the SunEarth’s elliptical orbit in spacemoon’s orbit around Earth
1.    How does the friction affect forwardmotion? Give an example. 2.    Describe two ways to change the frictional force between two solids surfaces. Change the lubrication between the two surfaces Change the normal force between the two surfaces3.    How does air resistance affect the velocity of a falling object? 4.    What two sources of friction do you have to overcome when you are walking? 5.    If you push a chair across the floor at a constant velocity, how does the force of friction compare with the force exert? Explain. 6.    If you push a book against a wall hard enough, it will not slide down even though gravity is pulling it. Use what you know about Newton’s laws of motion to explain why the book doesn’t fall.

A wave has a wavelength of 125 meters is move a distance of 300 m in 15s. What is its frequency? please help

Answers

   Frequency of any wave  =  (speed) / (wavelength)

                                           = (300m / 15s)  /  (125m)

                                           =  (300m)  /  (15s x 125m)

                                           =      (300) / (15 x 125)    (m/s-m)

                                           =             0.16 / sec  =  0.16 Hz . 

What would be the necessary to use the accelerometer to measure in the units of m/s2

Answers

m/s2 is the SI of an acceleration.

a couple of things that are necessary to measure this  :
- use the timing resources to measure the duty cycle
- performing a computationally intensive division operation

 

PLEASE SOMEONE HELP ME PLEASEThere is a bell at the top of a tower that is 20 m high. The bell weighs 100 kg. The bell has potential energy. Calculate it.

Answers

pe = m • g • h
= 100 • 9.8 • 20
= 19,600 or 1.96 x 10^4

Some constellations, such as Ursa Minor, are visible in the sky year-round; other constellations appear for only part of the year. Explain why this happens.

Answers

Answer:

As the Earth revolves about the sun, different sky is visible during time of the year. We have winter constellations and summer constellations. But some constellations appear through out the year like Ursa Minor are the ones which lie close to the poles. The Earth rotates about the axis passing through North and south pole. The axis always points towards North. Thus, the constellations near the Poles would be visible throughout the year.

Some stars follow our orbit, and some stay in the same position forever.

Where does the FIRST car on a roller coaster have its greatest potential energy? Its greatest kinetic energy?

Answers

Potential: very top of the roller coaster, awaiting the drop. Kinetic: on its way down the largest drop

How long do CFC molecules remain active in the stratosphere?a. 10 to 50 years
b. 30 to 60 years
c. 60 to 120 years
d. 150 to 500 years

Answers

The CFC molecules remain intact and active long enough to make it into the stratosphere and can then stay active for up to a century! 
Other Questions
Compare relative age with absolute age.
How high has a 45 g golf ball been driven if it has a potential energy of 2.06 J?
What two motions do all planets have?
What currents are responsible for powering the movement of tectonic plates ? A. Platonic B. Tectonic C. Convection D. Plutonium