A12000 kg boat is moving 4.25 m/s. its engine pushes 9200 n forward, but the current pushes back at 12,500 n. how much times does it take the boat to stop?

The air that we breath is made mostly of which gaseous molecule

2) why do satelites not fall while revolving around the earth?

69. air frictionthe velocity of the satellitea. decreases b. increases c. sometimes increases sometimedecreases d. no effect at all70. the unit of gravitational potential energy isa. jouté b. watt c. newtond. pascal71. which of the following is not influenced by a magneta. cobalt b. copper c. irond. nickel72. one joule of work done in one second by unit positive chargea.1 watt b.1 volt c.1 js d. none73. the most deviated colour of light after passing through a prisea. violet b. red c. green d. yellow4. a coin is placed below a beaker fill with water upto 12 cm isdisplaced by water isa. 9cm b.6cmс.3cmd.7cm