Two vectors are given by A=3i-2j and B=-i-4j. Calculate (a) A+B, (b) A-B, (c)| A+ B |(d) | A - B | and (e) the direction of | A+B | and | A - B l​

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n

First to answer will be the brainliest i need the answer asap