Answer:
a) 0.00996 m
b) 109090909 Pa
Explanation:
Unit conversions:
1.2 mm = 0.0012 m
8.5 kN = 8500 N
If the 2.2m rod cannot stretch more than 0.0012 m, its maximum strain is
With elastic modulus being E = 200 GPa, then its maximum stress must be
Knowing the tension force being F = 8500 N, we can calculate the appropriate cross section area
And its corresponding diameter is
Answer:
1.65×10⁻⁶ N
Explanation:
m = Mass of ant = 
r = Radius = 50 m
t = Time taken to complete on rotation = 60 seconds
Angular velocity
Centripetal acceleration is force that is acting outward
The magnitude of the upward force felt by the ant due to the second hand would be 1.65×10⁻⁶ N
Answer:
The balloon will collapse
Explanation:
When air is removed from the bell jar, the balloon will collapse if the internal pressure from the balloon does not balance the atmospheric pressure from the surroundings.
Answer:
White or lighter colored, shirt REFLECTS most of the visible wavelengths or all colors of light while a black or dark shirt ABSORBS more wavelengths.
So, Absorbed radiation is converted into heat, making the darker or black shirt warmer to wear.
<u>-TheUnknownScientist</u><u> 72</u>
