A Car Travels 90 Meters Due North In 15 Seconds – Question 6) A car travels at a speed of 30 km h-1 for 30 minutes and then at a speed of 40 km h-1 for one hour. Find:
(a) Total distance traveled by the car (b) Total travel time and (c) Average speed of the car
A Car Travels 90 Meters Due North In 15 Seconds
“Hello and welcome to advance today, let’s look at a car traveling at 30 kmph and 40 kmph in 30 minutes, first find the total distance and then find the time travel. And find the average speed of the car. Let’s define the total distance, so first we all Need to find distance of things, so first thing is distance is 30 km, speed is equal to 30 km and time is equal to 1 to 2. So it will be 15. So 15 grams will travel, second distance is equal to speed, speed will be 40, then The time will be 1 hour and will be 40 km, what is the total distance from here? The total distance will be. 15 plus 40, the journey will be 65 km, the total travel distance will be 65 km, so let’s calculate the total time, we can do it easily, the total time here time will take, so how much one hour game 1.0 .5 hours g 1.5 hours, that is total time, then ask average speed, find average speed, that is our speed is our speed formula we know total speed and total distance let’s average the speed Now I don’t know average speed Total distance covered by total distance 65 Yes and the time taken is 1.5 hours so the distance is 55 kilometers 40 sorry, that’s 55 plus 55, and yes, 40 plus 15, so you can take 55 from 55 to 1.5, so that’s 30 6.67 kilometers per hour, so that’s 36 km per hour yes, and yes, we made a mistake here. It’s just 40 plus 50 equals 55, grade 65, total time 55 kilometers, total distance 55 and total time 1.5, so the average speed will be the average speed, hope you understand the channel for video regulation and thanks for watching this video”
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Question 1) A car covers a distance of 300 km at an average speed of 60 km-1. how long does it take…
Question 2) A train covers a distance of 300 km at an average speed of 60 kmph at 1 kmph. how long…
Q3) A boy travels with an average speed of 10 m s-1 in 20 minutes. How far does it travel?
Q4) A boy walks 30 meters in 1 minute and another 30 meters in 1.5 minutes. Describe what it looks like…
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Question 5) A cyclist covers a distance of 1 km in the first hour, 0.5 km in the second hour and 0.3 km in the second hour.
Question 7) A body of mass 1.0 kg weighs 10 N. What is the weight of a 3 mass boy… ScienceAdvanced Physicsd. 0 35. A car travels a distance of 90 m due north in 15 seconds. Then the car turns around and travels 40 m in the afternoon. What is the magnitude and direction of the resulting displacement of the car? ? a 40 m, south b. 50 m, answer 36. If a boomerang is thrown 20 m in a straight line and returns to the point from which it was thrown, what is its displacement? a Ohm b. 20 meters c. 50 m, south d. 40 m, answer C. 40 m d. -20 m 37. A car travels 60 km east and 90 km west. How far did he travel? a 30 km west 60 km east b. 90 km d. 150 km 38. If a car moves 12 km north, 19 km east and 12 km south, what is its displacement? a 12 km c. 19 km, east b. 31 km d. 43 km east 20 Nedont aircraft Air Force One flies at 250 m/s
D 0 35. A car travels a distance of 90 m due north in 15 seconds. Then the car turns around and travels 40 m in the afternoon. What is the magnitude and direction of the resulting displacement of the car? ? a 40 m, south b. 50 m, answer 36. If a boomerang is thrown 20 m in a straight line and returns to the point from which it was thrown, what is its displacement? a Ohm b. 20 meters c. 50 m, south d. 40 m, answer C. 40 m d. -20 m 37. A car travels 60 km east and 90 km west. How far did he travel? a 30 km west 60 km east b. 90 km d. 150 km 38. If a car moves 12 km north, 19 km east and 12 km south, what is its displacement? a 12 km c. 19 km, east b. 31 km d. 43 km east 20 Nedont aircraft Air Force One flies at 250 m/s
Transcribed image text: 1.2 c. Increased unchanged V2 d factor. 34. Five forces of 10 N are applied to a point. If the angle between them is equal, what is the resultant force? a 10 N c. 14.14 N 35. A car travels a distance of 90 m due north in 15 s. Then the car c. 20 N d. 0 turns and travels a distance of 40 m to the south. What is the magnitude and direction of the resulting displacement of the car? ? a 40 m, south b. 50 Meters, North Ch. 50 m, south d. 40 m, answer 36. If a boomerang is thrown 20 m in a straight line and returns to the point from which it was thrown, what is its displacement? K a om C. 40 m d. -20 meters b. 20 m 37. A car moves 60 km east and 90 km west. How far did he travel? c 60 km, east 30 km, west b. a 90 km d. 150 km 38. If a car moves 12 km north, 19 km east and 12 km south, what is its displacement? c 19 km, east d. 43 km, East A. 12 km b. 31 km 39. The presidential airplane, Air Force One, flies east at 250 m/s relative to the wind. Wind moves north relative to the Earth at a speed of 35 m/s. Find the speed of an air force relative to the ground. c 222 m/s a 252 m/s b. 435 m/s d. 125 m/s 40. A motorboat with a speed of 5 m/s in still water moves east across a river flowing south at 3.3 m/s. What is the magnitude of the ship’s velocity relative to its starting point? C. 5 m/s a 3.3 m/s b. 6 m/s d. 8.3 m/s
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Caption: 41. A person displays fireworks from a safe distance of 0.750 km. Assuming that sound travels through air at a speed of 340 meters per second, what is the time between seeing and hearing the fireworks explosion? c 2.21 p. 255 000 p. 0.453 s b.410 s 42. A child walks 5 m north, then 4 m east, and finally 2 m south. What is the size of the child’s displacement after the entire ride? S. 5 m. d. 11 minutes a. 1 meter b. 3 m 43. An object is thrown from the ground (25 m/s) at 25 degrees and 65 degrees. Which one has a bigger range? (assume no air resistance) 25 degrees both equal. 65 degrees d. None of the above a. b 44. An object is thrown from the ground (25 m/s) at 25 degrees and 65 degrees. Which one goes up? (Assume no air resistance) a. 25 degrees c 65 degrees d. 45 degrees b. 45 for both. An object is thrown from the ground (25 m/s) at 25 degrees and 65 degrees. Which season is longer? (Assume no air resistance) a. 25 degrees c 65 degrees d. 25 degrees b. Both are the same 46. If one arrow travels horizontally and another arrow falls from the same height, which one hits the ground first? c falling arrow d. All of the above a. No b. Multiply by 47 at the same time. Calculate the sum
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