Alaunch travels across a river from point a to a point b on the opposite bank along the straight line ab forming an angle α with the bank. the flag on the mast of launch makes an angle β with its direction of motion. determine speed of launch with respect to bank. the velocity of wind is u perpendicular to the stream

Me ! mark u as brainlest! the speed of a sound wave depends on question 7 options: a) the frequency. b)the medium. c)the air temperature. d)both air temperature and medium.

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive