True a proton carries a positive charge, a neutron carries a neutral charge and an electron carries a negative charge.
Answer a) is incorrect as sound does not travel in a vacuum.
Answer:
The strength of the electric field is
.
Explanation:
Given that,
Speed 
Time 
Angle = 45°
We need to calculate the acceleration
Using equation of motion




We need to calculate the strength of the electric field
Using relation of newton's second law and electric force



Put the value into the formula


Hence, The strength of the electric field is
.
The only real difference is that common seismic waves travel through the ground and sound waves travel through the air. If you had a pipe attached to granite and you were listening to it, you might detect both.
Answer:
the correct answer is practicing refusal strategies can help students stay sober
Explanation: