La distancia entre dos ciudades es de 350km. Si un autocar emplea 4h en el viaje, determina su velocidad media y exprésala. En el sistema internacional. En km/h

Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs

Ain is , is 's of ? 0.62 0.79 1.27 1.50

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.