B is the answer because a solid would not be able to hold its shape if it was able to move around
The distance is 9.0 meters because that's how far the person ran. The displacement is 2.4 meters North because displacement is a speed AND direction. Basically you're calculating how far you are from where you started.
Answer:
Net force on electron will be
Explanation:
We have given that the orbit 
Speed of the electron 
Mass of the electron is given as 
Centripetal acceleration is given by 
Force is given by F = ma
So force 
Answer:
Explanation:
It means any object in free fall due to the gravitational force of the moon, will have an acceleration of 1.66 m/s^2.
Answer:
The temperature coefficient of resistivity for a linear thermistor is 
Explanation:
Given that,
Initial temperature = 0.00°C
Resistance = 75.0 Ω
Final temperature = 525°C
Resistance = 275 Ω
We need to calculate the temperature coefficient of resistivity for a linear thermistor
Using formula for a linear thermistor



Put the value into the formula


Hence, The temperature coefficient of resistivity for a linear thermistor is 