Homework Answers
To solve this question we need to bring both the given speed limit and speed of car in the same unit and then compare if the cars speed exceeds the speed limit or not.
Calculation is shown below
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A car is traveling at a speed of 38.4 m/s on an interstate highway where the...
A car is traveling at a speed of 40.6 m/s on an interstate highway where the...
A car is traveling at a speed of 40.6 m/s on an interstate highway where the speed limit is 65.0 mi/h. Is the driver exceeding the speed limit? & then justify your answer.
A car is traveling at a speed of 35.1m/s on an interstate highway where the speed...
A car is traveling at a speed of 35.1m/s on an interstate highway where the speed limit is 70.0mi/h. Is the driver exceeding the speed limit? YesNo Justify your answer.
Is He Speeding? On an interstate highway in a rural region of Wyoming, a car is...
Is He Speeding? On an interstate highway in a rural region of Wyoming, a car is traveling at a speed of 40 m/s. Is the driver exceeding the speed limit of 65.0 mi/hr? SOLUTION Convert meters in the speed to miles, and then convert from seconds to hours: (40 m/s mostra 1 mi 1,609 m m/s = ml/hr The driver Select exceeding the speed limit and should Select EXERCISE Suppose you are traveling at 56 mi/hr. Convert your speed to...
Problem 1: If a car is traveling at a speed of 28.0 m/s, is it exceeding...
Problem 1: If a car is traveling at a speed of 28.0 m/s, is it exceeding the speed limit of 55.0 mi/h? Problem 2: The traffic light turns green, and the driver of a high-performance car slams the accelerator to the floor. The accelerometer registers 22.0 m/s2 Convert this reading to km/min2
The driver of a car traveling on the highway suddenly slams on the brakes because of...
The driver of a car traveling on the highway suddenly slams on the brakes because of a slowdown in traffic ahead. A) If the car’s speed decreases at a constant rate from 74 mi/h to 50 mi/h in 3.0 s, what is the magnitude of its acceleration, assuming that it continues to move in a straight line? Answer is in mi/h^2 B) What distance does the car travel during the braking period? Answer is in ft
A car is traveling at a constant speed of 25 m/s on a highway. At the...
A car is traveling at a constant speed of 25 m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has a constant acceleration. What acceleration must it maintain, so that the two cars meet for the first time at the next exit, which is 2.7 km away?
A car is traveling at a constant speed of 18 m/s on a highway. At the...
A car is traveling at a constant speed of 18 m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has a constant acceleration. What acceleration must it maintain, so that the two cars meet for the first time at the next exit, which is 1.9 km away?
A driver travels northbound on a highway at a speed of 26.0 m/s. A police car,...
A driver travels northbound on a highway at a speed of 26.0 m/s. A police car, traveling southbound at a speed of 32.0 m/s, approaches with its siren producing sound at a frequency of 2600 Hz. What frequency does the driver observe as the police car approaches? Hz What frequency does the driver detect after the police car passes him? Hz Repeat parts (a) and (b) for the case when the police car is traveling northbound, while police car overtakes...
A driver travels northbound on a highway at a speed of 24.0 m/s. A police car,...
A driver travels northbound on a highway at a speed of 24.0 m/s. A police car, traveling southbound at a speed of 46.0 m/s, approaches with its siren producing sound at a frequency of 2450 Hz. (a) What frequency does the driver observe as the police car approaches? (b) What frequency does the driver detect after the police car passes him? (c) Repeat parts (a) and (b) for the case when the police car is traveling northbound. while police car...
A driver travels northbound on a highway at a speed of 28.0 m/s. A police car,...
A driver travels northbound on a highway at a speed of 28.0 m/s. A police car, traveling southbound at a speed of 49.0 m/s, approaches with its siren producing sound at a frequency of 2500 Hz. (a) What frequency does the driver observe as the police car approaches? Hz (b) What frequency does the driver detect after the police car passes him? Hz (c) Repeat parts (a) and (b) for the case when the police car is traveling northbound while...
Is He Speeding? On an interstate highway in a rural region of Wyoming, a car is traveling at a speed of 40 m/s. Is the driver exceeding the speed limit of 65.0 mi/hr? SOLUTION Convert meters in the speed to miles, and then convert from seconds to hours: (40 m/s mostra 1 mi 1,609 m m/s = ml/hr The driver Select exceeding the speed limit and should Select EXERCISE Suppose you are traveling at 56 mi/hr. Convert your speed to...
Problem 1: If a car is traveling at a speed of 28.0 m/s, is it exceeding the speed limit of 55.0 mi/h? Problem 2: The traffic light turns green, and the driver of a high-performance car slams the accelerator to the floor. The accelerometer registers 22.0 m/s2 Convert this reading to km/min2
A driver travels northbound on a highway at a speed of 26.0 m/s. A police car, traveling southbound at a speed of 32.0 m/s, approaches with its siren producing sound at a frequency of 2600 Hz. What frequency does the driver observe as the police car approaches? Hz What frequency does the driver detect after the police car passes him? Hz Repeat parts (a) and (b) for the case when the police car is traveling northbound, while police car overtakes...
A driver travels northbound on a highway at a speed of 28.0 m/s. A police car, traveling southbound at a speed of 49.0 m/s, approaches with its siren producing sound at a frequency of 2500 Hz. (a) What frequency does the driver observe as the police car approaches? Hz (b) What frequency does the driver detect after the police car passes him? Hz (c) Repeat parts (a) and (b) for the case when the police car is traveling northbound while...
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