A driver is traveling at 40m/s when they see a speed limit sign that says 10...
A driver is traveling at 40m/s when they see a speed limit sign that says 10 m/s. One second later they hit the brakes and the car slows down at a rate of 5 m/s2. How far behind is the sign from the car when the car reaches the legal speed limit?
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A driver is traveling at 40m/s when they see a speed limit sign
that says 10...
The speed limit in a school zone is 45 km/h. A driver traveling at this speed...
The speed limit in a school zone is 45 km/h. A driver traveling at this speed sees a child run onto the road 20 m ahead of his car. He applies the brakes, and the car decelerates at a uniform rate of 11.0 m/s2. If the driver's reaction time is 0.55 s, will the car stop before hitting the child?What is the stopping distance of the vehicle?
A certain cable car is San Francisco can stop in 10 s when traveling at maximum...
A certain cable car is San Francisco can
stop in 10 s when traveling at maximum speed. On one occasion, the
driver sees a dog a distance d m in front of the car and slams on
the brakes instantly. The car reaches the dog 7.92 s later, and the
dog jumps off the track just in time. If the car travels 3.83 m
beyond the position of the dog before coming to a stop, how far was
the car...
Problem 3. A car is traveling at a speed of 20 m/s when the driver applies...
Problem 3. A car is traveling at a speed of 20 m/s when the driver applies the brakes. The car stops in 5 seconds. How far (in meters) does the car travel in that time? Assume the car's deceleration is constant.
A car of mass 772 kg is traveling 24.4 m/s when the driver applies the brakes,...
A car of mass 772 kg is traveling 24.4 m/s when the driver applies the brakes, which lock the wheels. The car skids for 5.27 s in the positive x-direction before coming to rest. a). What is the car's acceleration (in m/s2)? (Indicate the direction with the sign of your answer.) b). What magnitude force (in N) acted on the car during this time? c). How far (in m) did the car travel?
22. Two cars are driving down a straight country road when the driver of the first...
22. Two cars are driving down a straight country road when the driver of the first car (traveling at speed vi v sees a deer crossing the road in front of her. She quickly applies her brakes, causing her car to slow down with a (negative) acceleration a--2a. The second car is a distance D behind her and is traveling at an initial speed v2 v. Its driver immediately applies his brakes as well-assume at the same time as the...
A driver is traveling at a speed of 70 km/h in car A when he looks...
A driver is traveling at a speed of 70 km/h in car A when he looks down to text a friend that he is running late. Just before he looks down. he is 80 m from an intersection, and a bicydist B, traveling at a constant speed of 10m/s,s d= 40 m from that same intersection. The light turns red during the 3 s text, and when the driver looks up, he hits the brakes, causing a constant deceleration of...
A car is traveling with a constant speed when the driver suddenly applies the brakes, giving...
A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car a deceleration of 3.50m/s2. The car comes to a stop in a distance of 34.0 m. What was an initial speed of the car? How long (the time) did it take for this car to stop? What was the car's speed when it had traveled 17.0 m from the point where the brakes were applied? How long did it take for this...
A car traveling 56 km/h is 22.0 m from a barrier when the driver slams on...
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The driver of a car slams on the brakes when he sees a tree blocking the...
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of −5.00 m/s2 for 4.15 s, making straight skid marks 64.4 m long, all the way to the tree. With what speed (in m/s) does the car then strike the tree? i got 5.14 which is the the right answer but the second part im lost.. What If? If the car has the same initial velocity, and...
The driver of a car slams on the brakes when he sees a tree blocking the...
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of −5.40 m/s2 for 4.15 s, making straight skid marks 63.3 m long, all the way to the tree. With what speed (in m/s) does the car then strike the tree? m/s (b) What If? If the car has the same initial velocity, and if the driver slams on the brakes at the same distance from the...
A certain cable car is San Francisco can
stop in 10 s when traveling at maximum speed. On one occasion, the
driver sees a dog a distance d m in front of the car and slams on
the brakes instantly. The car reaches the dog 7.92 s later, and the
dog jumps off the track just in time. If the car travels 3.83 m
beyond the position of the dog before coming to a stop, how far was
the car...
Problem 3. A car is traveling at a speed of 20 m/s when the driver applies the brakes. The car stops in 5 seconds. How far (in meters) does the car travel in that time? Assume the car's deceleration is constant.
22. Two cars are driving down a straight country road when the driver of the first car (traveling at speed vi v sees a deer crossing the road in front of her. She quickly applies her brakes, causing her car to slow down with a (negative) acceleration a--2a. The second car is a distance D behind her and is traveling at an initial speed v2 v. Its driver immediately applies his brakes as well-assume at the same time as the...
A driver is traveling at a speed of 70 km/h in car A when he looks down to text a friend that he is running late. Just before he looks down. he is 80 m from an intersection, and a bicydist B, traveling at a constant speed of 10m/s,s d= 40 m from that same intersection. The light turns red during the 3 s text, and when the driver looks up, he hits the brakes, causing a constant deceleration of...
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