PHYSICS

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4. A cat jumps horizontally off the landing of a porch with a velocity of 3.5 m/sec. If the porch is 1.7 m high. a. How long is the cat in the air? (1=0.59 sec) b. How far from the porch does it land? (Ad, = 2.06 m) 5. A boat is traveling east across a river with a velocity of 15 m/sec while the river's current is south and has a velocity of 8 m/sec. What is the total velocity of the boat? (v=17 m/sec, 28 South of East) 6. A placekicker kicks a football with a velocity of 35 m/sec and an angle of 25" above the horizontal. When the football is 10 m off the ground. a. What is the horizontal velocity of the ball? (v,=31.7 m/sec) b. What is the vertical velocity of the ball? (v =4.8 m/sec) c. What is the total velocity of the ball? (v=32.1 m/sec) d. How long did it take for the ball to reach that point (10 m above the ground)? (1=1.02 sec)