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An automobile is traveling along a straight road heading to the southeast at 24 m/s when...
The driver of a car of mass M which is moving along a straight road with...
The driver of a car of mass M which is moving along a straight road with initial speed v0 sees a deer in her headlights, and reacts quickly, lifting her foot of the gas and applying the brake pedal with maximum force. The anti-lock brakes cause the largest possible static friction force to be applied on the tires by the road, which continue to roll so the car does not skid. The coefficient of static friction between the tires and...
A car is traveling along a straight road at a velocity of +28.1 m/s when its...
A car is traveling along a straight road at a velocity of +28.1 m/s when its engine cuts out. For the next 2.97 seconds, the car slows down, and its average acceleration is . For the next 4.30 seconds, the car slows down further, and its average acceleration is . The velocity of the car at the end of the 7.27-second period is +21.3 m/s. The ratio of the average acceleration values is = 1.37. Find the velocity of the...
A car is traveling along a straight road at a velocity of +46.9 m/s when its...
A car is traveling along a straight road at a velocity of +46.9 m/s when its engine cuts out. For the next twelve seconds the car slows down, and its average acceleration is a1 . For the next six seconds the car slows down further, and its average acceleration is a2. The velocity of the car at the end of the eighteen-second period is +31.2 m/s. The ratio of the average acceleration values is . Find the velocity of the car...
A driver is traveling at 30.0 m>s when he sees a moose crossing the road 80.0...
A driver is traveling at 30.0 m>s when he sees a moose crossing the road 80.0 m ahead. The moose becomes distracted and stops in the middle of the road. If the driver of the car slams on the brakes, what is the minimum constant acceleration he must undergo to stop short of the moose and avert an accident?
A car is traveling north along a straight road with a constant speed of 11.2 m/s....
A car is traveling north along a straight road with a constant speed of 11.2 m/s. In order to pass through an intersection before the traffic light turns red, the driver accelerates forward with a constant magnitude of 2.25 m/s2 for 3.70 s. A)What is v0? B) What is a? C)What is t? D) What is the velocity of the car at the end of the acceleration? E)What is the position of the car at the end of the acceleration?...
Problem 4 A car travels along a straight road at a speed of 20 m/s, it...
Problem 4 A car travels along a straight road at a speed of 20 m/s, it decelerates uniformly to a stop over a period of 30 seconds; the car then it travels in the opposite of the original direction accelerating uniformly to a speed of 30 m/s in that direction over a period of 15 seconds a) Prepare a scaled time-velocity graph. b) Prepare a scaled time-acceleration graph. c) Prepare a scaled time-distance traveled graph. d) Determine average velocity of...
Name: A speeder travelling at 40 m/s along a straight road sees a police car in...
Name: A speeder travelling at 40 m/s along a straight road sees a police car in the distance. He applies the brakes and the car decelerates at a constant rate of5 m/s (3 pts) (3 pts) a) How long does it take for the car to reach 25 m/s? b) How far does the car travel during this time? 2. Study the following graph and answer the questions below 1Agraph of position vs. time TE (3 pts) (3 pts) (3...
3. I am driving at 20.0 m/s when (at time t 0 a car pulls out...
3. I am driving at 20.0 m/s when (at time t 0 a car pulls out onto the road, 50.0 meters ahead of me. I immediately start to brake, slowing down at 3.0 m/s. Meanwhile the other car, which started at rest, accelerates at 2.0 m/s At-4.0 s, I have slowed down to 8.0 m/s and the other car has sped up to 8.0 m/s; in those first four seconds I have moved 56.0 m and the other car has...
Problem 4 A car travels along a straight road at a speed of 20 m/s, it decelerates uniformly to a stop over a period of 30 seconds; the car then it travels in the opposite of the original direction accelerating uniformly to a speed of 30 m/s in that direction over a period of 15 seconds a) Prepare a scaled time-velocity graph. b) Prepare a scaled time-acceleration graph. c) Prepare a scaled time-distance traveled graph. d) Determine average velocity of...
Name: A speeder travelling at 40 m/s along a straight road sees a police car in the distance. He applies the brakes and the car decelerates at a constant rate of5 m/s (3 pts) (3 pts) a) How long does it take for the car to reach 25 m/s? b) How far does the car travel during this time? 2. Study the following graph and answer the questions below 1Agraph of position vs. time TE (3 pts) (3 pts) (3...
3. I am driving at 20.0 m/s when (at time t 0 a car pulls out onto the road, 50.0 meters ahead of me. I immediately start to brake, slowing down at 3.0 m/s. Meanwhile the other car, which started at rest, accelerates at 2.0 m/s At-4.0 s, I have slowed down to 8.0 m/s and the other car has sped up to 8.0 m/s; in those first four seconds I have moved 56.0 m and the other car has...
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