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Two cars leave town at the same time in opposite directions. One travels 35 km/h and the other 40 km/h. In how many hours will they be 200 km apart? 2. Two cars leave town at the same time in the same direction. One travels 35 mi/h and the other 40 mi/h. In how many hours will they be 15 miles apart? I can't figure these problems out.
A railroad car of mass 2.40 x 104 kg is moving with a speed of 3.82 m/s. It collides and couples with three other coupled railroad cars, each of the same mass as the single car and moving in the same direction with an initial speed of 1.91 m/s.

# Two cars are moving in the same direction with a speed of 30 km

Jan 31, 2011 · since they're moving at constant speeds and assuming they travel in the same direction the velocity of car B relative to car A is 40-30 (10)km/h. this means our situation is equivalent to one of a parked car and another travelling at 10km/h. now car B is 4km away from carA, velocity=displacement/time. therefore time=4/10hours I.e 24mins.. He created an additional two models further refining his design with steering, a clutch and a brake. They stipulated that the vehicle would have to maintain an average speed of more than 5 miles per Steam-powered road vehicles, both cars and wagons, reached the peak of their development in the...
Two cars B and C approach car A in opposite directions with a speed of 54 km h-1 each. A man cycling with a speed of 20 km h-1 in the direction A to B notices that a bus goes past him every If the particle rebounds instantly with the same speed, it implies infinite acceleration which is physically...
An 800-kg car moving at 80 km/h overtakes a 1200-kg car moving at 40 km/h in the same direction. If the two cars stick together, the wreckage has an initial speed of 56 km/h.
I would like to detect the speed of a moving car on a road using Arduino. Which kind of sensor can In general you need to measure the distance of the car periodically, and calculate the speed of the With a twin light barrier you could measure the time needed to pass the distance between the two...
I would like to detect the speed of a moving car on a road using Arduino. Which kind of sensor can In general you need to measure the distance of the car periodically, and calculate the speed of the With a twin light barrier you could measure the time needed to pass the distance between the two...
A car accelerates uniformly from 0 to 72 km/h in 11.5 seconds. a) What is the acceleration of the car An object is thrown straight down from the top of a building at a speed of 20 m/s. It hits the ground Solution to Problem 4: a) We consider that the direction from ground up is the positive direction of...
If they travel in the same direction, they meet in 7 hours. But if they travel towards each other, they meet in one hour. The speeds of the two cars are: 45 and 25 km/h 70 and 10 km/h 40 and 30 km/h 60 and 40 km/h A motor boat whose speed is 15
Two cars P and Q are moving in the same direction along the same straight horizontal road. Car P is moving with constant speed 25 m s l. At time t = O, P overtakes Q which is moving with constant speed 20 m s l. From t = T seconds, P decelerates uniformly, coming to rest at a point X which is 800 m from the point where P overtook Q.
Cars are symbols of freedom, wealth, and masculinity. But when you are stuck in a traffic jam, all For once it is not a matter of technology which is stopping us. If we want to build two-level roads, we can do it. d. City administration tries to encourage people to use … transport, not private cars in the city...
Two boys starts from the same place walking at the rate of $5$ kmph and $5.5$ kmph respectively in the same direction. What time will they take to be $8.5$ km apart? A. $17$ hr
GraviW increases the speed of the ball when It moves downward and reduces the speed when It is moving upward. Therefore, the centripetal acceleration to keep it moving in a clrcte Witt be larger at the bottom and smell- er at the top of the circle. At the top, tension and gravity are in the same direction, so the tension needed will be even ...
Calculate the carrying capacity (number of cars passing a given point per hour) on a highway with three lanes (in one direction) using the following assumptions: the average speed is 100 km/h, the average length of a car is 6.0 m, and the average distance between cars should be 80 m.
Constant velocity means that an object is moving the same distance in the same time in the same direction. Instantaneous velocity =acceleration X time. v=at. Average velocity = beginning velocity + ending velocity divided by 2, if acceleration is constant. Distance traveled = ½ at2 (if velocity is zero to start)
(2) Upon all roadways, any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic or as close as practicable to the right-hand curb or edge of the roadway except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a ...
Two cars A and B are seprated by a distance of 0.5 km and moving in the same direction with same speed. A car C moving with 10 km/h in opposite direction meets these cars at an interval of 1 minute. The speed of A and B is . Physics
Dec 02, 2020 · The force required to keep the object moving with the same velocity is: ... nozzle in the downward direction with the tremendous speed and makes the rocket to move upward. ... which are moving. 10 ...
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Thus, average speed he travelled = Distance / time = circumference / time = Pi (0.5) (2) / 1 hour = 3.14 km/hour (approximately) b) If he walks around in a circle and comes back to the same point where he started in a circle then the change in his position is zero.

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with heavy vehicles moving off from rest (~£98M /year) ... Coded vehicle travel speed (km/h) Coded vehicle travel speed (km/h) ... while moving off in same direction ... 10. A boat covers 40 km upstream and 90 km downstream in 5 hr. It can also cover 60 km upstream and 60 km downstream in 5 hr. The speed of the water current is A: 4 km/hr B: 5 km/hr C: 20 km/hr D: 25 km/hr Correct Answer : B 11. Two champion swimmers start a two-length swimming race at the same time, but from Answerposite ends of the pool. They ...

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Method 2 – Shortcut. When moving upstream speed is M + E. when moving when escalator is stopped is M. and when moving upstream speed is M – E. speed is in AP, so time will be in HP, since they are inversely proportional. So time taken would be – 2 x 90 x 30 / (90+30) = 60 x 90/120 = 45 secs. Case B: Where the number of steps are asked A 75.0-kg person is riding in a car moving at 20.0 m/s when the car runs into a bridge abutment. (a) Calculate the average force on the person if he is stopped by a padded dashboard that compresses an average of 1.00 cm. (b) Calculate the average force on the person if he is stopped by an air bag that compresses an average of 15.0 cm.

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Distance between her oﬃce and home = 2.5 km Time taken = Distance / Speed = 2.5/5=0.5 h=30 min It is given that she covers the same distance in the evening by an auto. Now, speed of the auto =25 km/h Time taken = Distance / Speed = 2.5/25=1/10=0.1 h=6 min The suitable x-t graph of the motion of the woman is shown in the given ﬁgure. 1. Jake walks east through a passenger car on a train that moves 10 m/s in the same direction. Jake’s speed relative to the car is 2 m/s. Jake’s speed relative to an observer at rest outside the train is a. 2 m/s. b. 5 m/s. c. 8 m/s. d. 12 m/s. 2. A gazelle travels 2 km in a half hour. The gazelle’s average speed is a. 1/2 km/h. b. 1 km/h ...

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Same-Direction Travel. Engineering A train leaves a train station at 1 p.m. It travels at an average rate of 60 mi/h. A high-speed train leaves the same station an hour later. It travels at an average rate of 96 mi/h. The second train follows the same route as the first train on a track parallel to the first. Two points P and Q are separated from a distance of 200 km. A car leaves from P to Q at the same time another car leaves from Q to P. The two car meet at the end of 8 hours. If the car travelling from P to Q travels 20km/hr. than the other. Find the speed of the faster car? A) 15.25 B) 20.22 C) 22.5 D) 18.9 E) 21.5 Two cars travel in the same direction along a straight road. The figure below shows the velocity, v, of each car at time t. Car B starts 3 hours after car A and car B reaches a maximum velocity of 42 km/hr.

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After the collision, both the vehicles attach together and move with a speed of velocity v. Find the value of v. Answer: (IMPORTANT: When 2 object attach together, they move with same speed.) m 1 = 8000kg m 2 = 1500kg u 1 = 30 ms-1 u 2 = 20 ms-1 v 1 = v v 2 = v. According to the principle of conservation of momentum, m 1 u 1 + m 2 u 2 = m 1 v 1 + m 2 v 2 8. A vehicle with two wheels that is powered by a motor and that can carry one or two people. A place where roads meet, forming a circle that all traffic must go around in the same direction a. canteen car b. buffet car c. gorging car. The passage between rows of seats in a plane

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Each of the two-piece units produced panning errors like the one that caught the Miami house apparently moving at 28 mph. All of the moving radar units were subject to "shadowing," causing some of the patrol car's speed to be added to that of the target vehicle (Federal Register, Vol. 46, No. 5, Jan. 8, 1981). If we assume that car Q starts moving from point Q at the same time car P starts from P, then the problem becomes a bit trickier. (1) in the case where the two cars are moving toward each other, the distance traveled by car P is d and the distance car Q travels is 120 - d as Mark states.

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E) 22.2 x 103 kg.m/s 19) A 328-kg car moving at 19.1 m/s in the +x direction hits from behind a second car moving at 13.0 m/s in the same direction. If the second car has a mass of 790 kg and a speed of 15.1 m/s right after the collision, what is the velocity of the first car after this sudden collision? A) —14.0 m/s B) 14.0 C) 24.2 m/s

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Britishinformal to drive past another car that is travelling in the same direction as you and then to continue to move in a car or on a bicycle after you have switched off the engine or have to reach a person or vehicle moving in front of you, and then go past them, especially in sports competitions.

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5. ___2___Force= Mass x Acceleration 6. ___3___Two bumper cars collide into each other and each car jolts backwards 7. ___2___When you give your friend a lift on your bike you have to pedal harder and faster to keep the same speed (acceleration) as you had when you were on your bike alone