car was traveling at 33.0 m/s on a poorly lit country road.  The driver started to brake 0.35 seconds after he sees that a bridge is under construction 75 meters ahead.  The car slowed down uniformly.  What must be the minimum acceleration be to avoid crashing into the construction?

Q: A car is 200. m from a stop sign and traveling toward the sign at 40.0 m/s. If the driver realizes…

A: The distance moved by the car while the driver applies the brake is d=utd=40.0 m/s0.200 sd=8 m…

Q: An amusement park ride lets visitors experience the free fall. What was the highest point of the…

A:

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

A:

Q: S roller coaster rapidly picks up speed as it roles down a slope. As it startx down the slope the…

A:

Q: A jet airplane touches down on an airport runway with a speed of 213 km/hr. It slows at a constant…

A:

Q: A child appears to be running into the street ahead. It takes 2.3 seconds for the driver to react…

A: Let u denotes the initial speed of the car, t denotes the time taken to stop the car, and a denotes…

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: A car speeds down the main road at 160 km/h. It passes a police car parked on the side of the road.…

A: Please see the attached images for the solution.If there are queries or if the images are not…

Q: In a collision, an automobile initially traveling at 50 km/h decelerates at a constant rate of 200…

A: Data known, The initial velocity u is 50km/h or 13.89m/s, The deceleration is 200m/s2, The distance…

Q: A car and a jeep are 7 km apart. The car starts from rest and travels towards the jeep with an…

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: A speeder traveling at 1.51 m/spasses a motorcycle policeman at rest at the side of the road. The…

A: Write a given values of this question. v=1.51m/sa=0.91m/s2

Q: You are driving through town at 12.0 m/s when suddenly a ball rolls out in front of you. You apply…

A: initial velocity, u = 12 m/s  final  velocity, v = 0 m/s acceleration, a =  - 3.5 m/s2

Q: A car is traveling at a steady 80 km/h in a 50 km/h zone. A police motorcycle takes off at the…

A: We have to determine the time elapses before the motorcycle is moving as fast as the car. We are…

Q: 3. A student is running at her top speed of 5.2 m/s to catch a bus, which is stopped at the bus…

A:

Q: Two cars are travelling at constant speeds. A Neon is travelling at 14.85 m/s and a Corvette is…

A: Given:Neon Car is travelling with speed =14.85m/sCorvette Car is travelling with speed=…

Q: A car is 200 m from a stop sign and traveling toward the sign at 40.0 m/s. At this time, the driver…

A:

Q: The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows…

A: Given that, x=66.4 macceleration=-5.85 m/s2time=4.20 s Consider the kinematic equation, x=ut+12at2…

Q: The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows…

A:

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

A:

Q: A student is running at her top speed of5.0 m/s to catch a bus, which is stopped at the bus stop.…

A: Given: The speed of the student is 5.0 m/s. The distance for the student and bus is 40.0 m. The…

Q: A VW Beetle goes from 0 to 48.0 mi/h with an acceleration of +2.35 m/s². (a) How much time does it…

A:

Q: A Boeing 757 takes off at 2/3 of a runway which is 1800.0 m long. Assume it starts from rest and…

A:

Q: A student is running at her top speed of5.0 m/s to catch a bus, which is stopped at the bus stop.…

A: Given data: The speed of the student is u=5.0 m/s. The distance of the student is s=40.0 m. The…

Q: A student is running at 4.25 m/s to catch a bus stopped on Simcoe Street. When they are 18.0 m away…

A:

Q: ow far is the tractor in front of you when you finally stop?

A: initial speed u = 23.6 m/s  acceleration a = - 7.2 m/s2  final speed v = 0

Q: A speed skater moving to the left across frictionless ice at 7.8 m/s hits a 4.5-m-wide patch of…

A:

Q: The engineer of an intercity train observes a rock slide blocking the train's path 550 m ahead and…

A: Given data:  Distance (s) = 550 m Acceleration (a) = -1.7 m/s2 Final velocity (V) = 0 m/s Required:…

Q: A VW Beetle goes from 0 to 54.0 mi/h with an acceleration of +2.35 m/s2. (a) How much time does it…

A:

Q: John Paul Stapp was a U.S. Air Force officer who studied the effects of extreme deceleration on the…

A: v=u+at

Q: A roller coastre car rapidly picks up speed as it roles down a slope.  As it starts down the slope,…

A: The given values are,

Q: A student is running at her top speed of5.0 m/s to catch a bus, which is stopped at the bus stop.…

A: Given data v0=5 m/seca=0.17 m/s2x0=40 m

Q: A cyclist is initially at rest at the origin. At t=0 she starts to accelerate at a constant rate,…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: At 5:11 p.m. in the highway and at the height of a town, a police patrol was traveling at a speed of…

A: (a)   Consider the time taken by police petrol to reach the citizen after the reaction time be t.…

Q: A VW Beetle goes from 0 to 42.0 mi/h with an acceleration of +2.35 m/s2. (a) How much time does it…

A:

Q: A pickup truck is traveling at 30.0 m/s. The driver of the truck applies the brakes and gives the…

A:

Q: Freight trains can produce only relatively small accelerations and decelerations. a) What is the…

A:

Q: car is traveling at a steady 81 km/h in a 50 km/h zone. A police motorcycle takes off at the instant…

A:

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 –