The driver of a car is initially moving at a constant speed of 70.4 km/h when a traffic light turns red. If a 0.520 s reaction time is required before the brakes can be applied, what is the distance in meters traveled by the car before it begins to slow down?

Q: the amount of time the red light costs the driver (compared to if the car had not been the red…

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Q: A person is driving along a straight highway at a speed of 21.0 m/s when the traffic light which is…

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Q: The driver of a car is initially moving at a constant speed of 68.3 km/h when a traffic light turns…

A: In this problem a car is moving with initial speed of 68.3 km/h.  Driver start applying break after…

Q: In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a…

A: Let AB is first interval and after the pit BC is second interval.

Q: A police car is traveling at a velocity of 16.0 m/s due north, when a car zooms by at a constant…

A: Initial velocity of police car is Initial velocity of speeder is Reaction time Acceleration of…

Q: The problem states, "A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it…

A: Given data:  Initial velocity (V0) = 0 m/s Acceleration (a1) = 2.00 m/s2 Velocity (V1) = 20.0 m/s…

Q: In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a…

A: Use the kinematic equation to solve for the acceleration of the Thunderbird to stop over a distance…

Q: Speedy Sue, driving at 35.0 m/s, enters a one-lane tunnel. She then observes a slow-moving van 160 m…

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Q: A car is traveling along a straight road at a velocity of +33.8 m/s when its engine cuts out. For…

A: We are given initial velocity of car. We are given the final velocity. We are given 2 time intervals…

Q: NASA operates a 2.2-second drop tower at the Glenn Research Center in Cleveland, Ohio. At this…

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Q: Suppose a car is traveling at +21.4 m/s, and the driver sees a traffic light turn red. After 0.511 s…

A: Initial velocity (u) = +21.4 m/sReaction time (t) = 0.511 sDeceleration (a) = -5.00 m/s2 Final…

Q: A driver is traveling 18.4 m/s when she sees a red light ahead. Her car is capable of decelerating…

A: The total distance covered by the driver is the distance is the distance before applying brakes and…

Q: Ima Rushin can travel from Milwaukee Avenue to the school entrance gate at a constant speed of 22.5…

A: Given:-  The constant speed of the Ima Rushin is u = 22.5 m/s. when the lights are green and there…

Q: Suppose a car is traveling at +24.7 m/s, and the driver sees a traffic light turn red. After 0.262 s…

A: Given Data: Initial velocity of the car (vi) = 24.7 m/s.Reaction time (t) = 0.262 s.Acceleration (a)…

Q: in the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a…

A:

Q: A ranger in a national park is driving at 22.0 mi/h when a deer jumps into the road 180 ft ahead of…

A: The initial velocity of a ranger is, u=22 mi/hr=9.835 m/s The final velocity of a ranger is, v=0 m/s…

Q: On a one lane road, a person driving a car at v1 = 76 mi/h suddenly notices a truck d = 1.9 mi in…

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Q: *33. "mmh A car is traveling at 20.0 m/s, and the driver sees a traffic light turn red. After 0.530…

A: Dear student When acceleration is constant. We can apply equations of motion as : v = u + at  s = ut…

Q: A student begins at rest and then walks north at a speed of v1 = 0.55 m/s. The student then turns…

A: Given: Speed v1 = 0.55 m/s along north direction Speed v2 = 0.53 m/s along south direction Taking…

Q: You attach a meter stick to an oak tree, such that the top of the meter stick is 1.67 meters above…

A: s = ut + 0.5 at^2 since the time taken to cover the 1m stick is 0.261 sec and the acorn falls under…

Q: A car moving at 41.66 mph approaches an intersection and the driver observes the light go yellow.…

A: I have changed mph into meter per second to make it easy

Q: Suppose a car is traveling at +16.8 m/s, and the driver sees a traffic light turn red. After 0.286 s…

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Q: An electric vehicle starts from rest and accelerates at a rate of 3.0 m/s2 in a straight line until…

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Q: A driver is traveling 18.0 m/s when she sees a red light ahead. Her car is capable of decelerating…

A: Given u=18m/s (initial velocity of car) t1=0.380 s (time for driver to hit the brakes) Distance…

Q: A car is coasting backwards down hill at a speed of 3.0m/s when the driver gets the engine started.…

A: Average acceleration

Q: Alcohol consumption slows people's reaction times. In a controlled government test, it takes a…

A: Given data:  Initial velocity of car (v) = 89 km/h Reaction time when driver is sober (t1) = 0.31 s…

Q: A child on a bicycle approaches a stop sign and applies the brakes to slow to a stop. If the…

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Q: stopping

A: Given: The initial speed of the airplane = 201 Km/hr= 55.83 m/s Time taken to stop the airplane =…

Q: A car is traveling at a speed of 30 m/s, a typical highway speed, on wet pavement. The driver sees…

A: Initially, speed of the car was, u = 30 m/s. The driver took t1 = 0.75 s to apply the brake Distance…

Q: car is driving along 15 m/s and is approaching a crosswalk with a baby carriage in the middle. The…

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Q: A car is traveling north on a city street. It starts from rest at a stoplight and accelerates…

A: The distance travelled till the car reaches the speed limit is,

Q: 10. A person is driving along a straight highway at a speed of 22.0 m/s when the traffic light which…

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Q: At the instant the traffic light turns green, a car starts with a constant acceleration of 2.31…

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Q: A Honda Civic travels in a straight line along a road. Its distance x from a stop sign is given as a…

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Q: In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a…

A: Given data The speed of the thunderbird is St = 66 m/s The speed of the Mercedes Benz is Sm = 66 m/s…

Q: A man walks on a straight road from his home to market 2.5 km away with a speed of 5 km/h. Finding…

A: The distance from the home to market is given as, s=2.5 km (or) s=2500 m The speed of man with which…

Q: You're driving down the highway late one night at 21 m/s when a deer steps onto the road 38 m in…

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Q: Suppose a car is traveling at +24.3 m/s, and the driver sees a traffic light turn red. After 0.219 s…

A: Given: Speed of the car (v) = 24.3 m/s. reaction time (tr) = 0.219 s. Deceleration (a) = 4.0 m/s2.

Q: car was traveling at 33.0 m/s on a poorly lit country road.  The driver started to brake 0.35…

A: The distance travelled by the car is, d=vt=33 m/s0.35 s=11.55 m The distance between the bridge and…

Q: A driver is traveling 17.8 m/s when she sees a red light ahead. Her car is capable of decelerating…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –