A car increases its forward velocity uniformly from 20 m/s to 30 m/s while traveling a distance of 100 m. What is its acceleration during this time?

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

What happens when the vapor pressure of a liquid is equal to the external pressure?