Suppose that we are given two non-zero vectors u and v such that u-5j and u-v-0. which of the following statements must be true? there may be more than 1 possibility. o v points east or west 0 v points south 6points 0 v is parallel to u o v is perpendicular to u 。other:

If this plastic cup is heated to its melting point, what will eventually happen to all the particles in the plastic? a. the particles will begin to move enough that they slide past each other. b. bonds will form and the liquid will become a solid. c. the spaces between the particles will get smaller. d. the particles will change state and become a crystalline solid.

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.