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- 1) A student drove to the university from her home and noted that the odometer reading of her car increased by 15.8 km. The trip took 25.9 min. a) What was her average speed, in meters per second? b) If the straight-line distance from her home to the university is 10.3 km in a direction 25° south of east, what was the magnitude of her average velocity in meters per second? c) If she drove back home using the same path she took out to the university and arrives 7.9 h after she first left home, what was her average speed for the entire trip, in meters per second?A woman starts to swim directly across a 8.2-km-wide river. Her speed with respect to the water is 2.3 m/s. The river current carries the woman downstream at a speed of 0.91 m/s. (a)How much time, in seconds, does it take her to cross the river? __s b) How far downstream, in meters, will the river carry her by the time she reaches the other side of the river? __mA soccer ball is kicked from the ground with an initial speed of 20.2 m/s at an upward angle of 48.5'.A player 50.4 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the ball just before it hits the ground? Neglect air resistance.Use g=9.81 m/s?. Number i Unit
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