2) Un nadador enciende una lámpara bajo el agua y la dirige hacia la superficie. Su luz llega a la superficie de separación aire-agua a 35°.
¿Cuál es el valor del ángulo con que refracta al aire?

Abox is pushed down at an angle of 32 degrees on a rough surface. the box moves to the right. what equation should be used to find the net force in the y-direction? answers: a. fnet, y = fn - fgb. fnet, y= fp - ffc. fnet, y = fn-fg- fpcos(32)d. fnet, y = fn-fg-fpsin(32)

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer