A vat of ethyl alcohol expands by 0.00823 m^3 when the temperature is raised by 44.8 C. what was the original volume of the alcohol? PLEASE HEL

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Acapacitor is storing energy of 3 joules with a voltage of 50 volts across its terminals. a second identical capacitor of the same value is storing energy of 1 joule. what is the voltage across the terminals of the second capacitor?

Acar of mass 800kg is moving at a speed of 2.2m/s.