Què va a més velocitat?: Una moto que fa 25 km en 20 minuts o un cotxe que recorre 112500 m en 1’5 hores

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

If forces acting on an object are unbalanced. true or false

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.