2. A ball is thrown 45 m into the air. It takes the ball 5 s to hit the ground. What is the velocity of the ball when it hits the ground?

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According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.