A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 25.0 min at 95.0 km/h, 14.0 min at 70.0 km/h, and 40.0 min at 40.0 km/h and spends 60.0 min eating lunch and buying gas.

State the right hand rule of the direction of magnetic field in a conductor carrying current

Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g