You are driving home from school steadily at 93 km/h for 160 km . It then begins to rain and you slow to 64 km/h instantly. You arrive home after driving 5.0 hours.
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- a man walks south at a speed of 2.00m / s for 15.0 minutes. then he turns and walks north at a distance of 2000m in 15.00 minutes. What is the average speed of the man during his entire movement?If a driver is initially going 21m/s to the left and then slams on the brakes to accelerate at a magnitude of 14.7m/s/s until she comes to a stop. How far did she travel/what was the distance she traveled the moment she started applying the brakes?A marching band player walks directly north at a speed of 2.50 m/s for a time of 12.0seconds, turns 35.00to the east and walks at half that speed for another 15.0 seconds.What is the players total displacement and average velocity for the entire trip?
- If you are driving 95km/h along a straight road and you look to the side for 2.0 s, how far do you travel during this inattentive period?Traveling with an initial speed of 70 km/h, a car accelerates at 6000km/hr2 along a straight road. How long will it take to reach a speed of120 km/h? How far did the car travel during this time?In a 5.00 km race, one runner runs at a steady 12.0 km/h and another runs at 14.5 km/h. How long does the faster runner have to wait at the finish line to see the slower runner cross?
- A person takes a trip, driving with a constant speed of 89.5 km/h, except for a 22 minute rest stop. If the persons average speed is 77.8 km/h how much time is spent on the trip and what distance did they travel?Suppose a car merges into freeway traffic on a 200-m-long ramp. If its initial velocity is 10.0 m/s and it accelerates at 2.00 m/s, how long does it take to travel the 200 m up the ramp? (Such information might be useful to a traffic engineer.)A suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other, taking 2.50 s.Then security agents appear, and the man runs as fast as he can back along the sidewalk to his starting point, taking 10.0 s.What is the ratio of the man’s running speed to the sidewalk’s speed?
- A bullet is fired straight up in the air at an initial speed of 245 m/s. After how much time is the bullet at a height of 10.1 X 10^2 m and heading down?After feeding, an arctic tern is flying back to its nest at 24km/h for 72 kilometres. It then starts to snow so the bird slows to 18 km/h. The bird arrives back at the nest after flying for a total of 7 hours and 20 minutes. How far is the nest from the feeding ground?A driver is initially traveling 21.1m/s to the right and then slams on the brakes to accelerate at a magnitude of 4.5m/s/s until she comes to a complete stop. If she started applying her brakes at a position of 263m from zero, then where is her final position from zero?