Answer:
V = L A = L pi R^2 volume of wire
V = 50 cm * .01 cm^2 = .5 cm^3
d(density) = 3.5 gm / .5 cm^3 = 7.0 gm/cm^3
A micrometer caliper could measure the diameter of the wire.
Protons are positive +
Neutrons are neutral and have no charge
Electrons are negative -
The correct answer for this is A. <span>Accompany her to talk with your parents or another trusted adult to ask for help
when a friend is under the problems of addiction, it's always best to get help from a trusted adult.</span>
Answer:
11.77s
Explanation:
Given parameters:
Distance covered = 100m
Speed = 8.5m/s
Unknown:
Time taken to complete this race = ?
Solution:
To solve this problem,
Average speed =
Time taken =
Time taken = = 11.77s
Weight on mars= weight on earth/ 9.81 m/s * 3.711 m/s^2 = 0.38 kg