Sign In
Ask Question
Kiersten Bradley
Physics
19 July, 00:23
Why a sidewalk has cracks every few feets
+4
Answers (
2
)
Zechariah Perez
19 July, 00:28
0
It is because if it was one big piece, the concrete would buckle and break just like bridges.
Comment
Complaint
Link
Addison Lopez
19 July, 00:33
0
Because sidewalks are usually in places where the sun can shine
on them most of the day. Even if the sun can't shine directly on them,
the weather can get hot. Either way, the material that the sidewalk is
made of can often get hot. You know that when things heat up they
"expand" ... they actually get slightly bigger. If there were no spaces
in the sidewalk for it to get bigger, then when the material got hot and
tried to get bigger, it would crack and break, and the whole sidewalk
would be all broken up in a few months.
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Find an answer to your question 👍
“Why a sidewalk has cracks every few feets ...”
in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
If a car travels 500 m in 25 second how fast is it traveling?
Answers (1)
Doug is doing work. Without knowing exactly what he is doing, which can be said about the work he is doing? Energy is transferred. Energy is increased. Energy is decreased. Energy is unchanged.
Answers (2)
Light from a sodium lamp passes through a diffraction grating having 1000 slits per millimeter. The interference pattern is viewed on a screen of 1.00m behind the grating. Two bright yellow fringes are visible 72.88cm and 73.
Answers (1)
Amy has a mass of 50kg, and she is riding a skateboard going 10m/s. what is her momentum
Answers (1)
Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high - many times higher than the wind speed. a typical modern turbine has blades 56 m long that spin at 13 rpm.
Answers (1)
New Questions in Physics
What are factors that would change the position of the wave lengths measured? (There are more than one answer.) a) size of the tube b) tuning fork frequency c) distance between the tuning fork and tube d) room temperature e) area of the tube
Answers (1)
This particle is found in the nucleus and adds mass to the nucleus, but changing its number does not change what the element is. This particle is the A. proton. B. photon. C. neutron. D. electron.
Answers (1)
Projectile motion is an example of what kind of motion
Answers (2)
What can change scientific knowledge?
Answers (1)
6. What is ductility?
Answers (2)
Home
»
Physics
» Why a sidewalk has cracks every few feets
Sign In
Sign Up
Forgot Password?