A jet plane comes in for a landing with a speed of 120 m/s. The length of the runway is 500 m. From the instant the plane touches the runway,   what is the magnitude of the acceleration needed to stop within the runway? Write your answer in terms of m/s2.

Q: A woman drives 50 miles to the north. She stops, asks directions, and then drives 50 miles south. If…

A: Given,

Q: student holds a ball 1.55 meters above the ground and drops it. Her friend uses a stopwatch and…

A:

Q: A bus travels 2.0 x 102m with a constant acceleration of magnitude 1.6 m/s2. How long does the…

A: Given   Distance d= 2*10² m Acceleration=a =1.6 m/s² Vi = initial velocitt = 8.0 m/s

Q: You are on the roof of a Physics Building, 48 m above the ground. Your physics professor, who is…

A:

Q: A particle’s velocity along the x-axis is described by v(t) = A t + B t2, where t is in seconds, v…

A:

Q: Two ants pass each other one is moving along the negative x axis and one is moving at 45 degrees to…

A:

Q: A a vs. t graph is drawn for a car moving in one direction. The graph shows a horizontal line at a =…

A: there are three equation of motion  v = u + at  v2 - u2 = 2as s = ut + 0.5 at2 where  v = final…

Q: The F-35A, one of the U.S. Air Force's latest fifth-generation fighter was taken 160 km away from…

A: To solve this problem, we can use the equations of motion and kinematics. We assume that the F-35A…

Q: You are on the roof of a Physics Building, 29 m above the ground. Your physics professor, who is…

A: Given Building Height H = 29 m Height of the response h = 1.76 m speed v = 1.41 m/s

Q: You are on the roof of a Physics Building, 51 m above the ground. Your physics professor, who is…

A: Height of Physics building, H = 51 m Height of Professor, h = 1.79 m Velocity at which professor is…

Q: You are on the roof of a Physics Building, 36 m above the ground. Your physics professor, who is…

A:

Q: 2. An astronaut left the International Space Station to test a new space scooter. Her partner…

A: Simple problem of Kinematics. Please have a good look

Q: A package leaves the post office in the morning, located at x = 25 km. After traveling all day on…

A:

Q: A dog slips out of its collar while going for a walk and runs away at full speed.  By the time the…

A:

Q: A toy car starts at rest and accelerate up a 40" ramp with acceleration a=√(t^3). It then flies into…

A:

Q: A speed skater moving to the left across frictionless ice at 8.4 m/sm/s hits a 4.8-mm-wide patch of…

A: Given data:  Initial velocity (V0) = 8.4 m/s Distance traveled by skater (s) = 4.8 m Final velocity…

Q: You are on the roof of a Physics Building, 44 m above the ground. Your physics professor, who is…

A: Apply the second kinematic equation to determine the time to drop the egg on head.

Q: You drop an object from rest (initial velocity = 0) from a height of 6.8 metres. What is the final…

A:

Q: Against the park ranger's advice, a visitor at a national park throws a stone horizontally off the…

A:

Q: You are on the roof of a Physics Building, 17 m above the ground. Your physics professor, who is…

A: Answer:-  Given  Time taken by egg to free fall = t  Distance required to fall(S) =(17 m) - (1.95 m)…

Q: A car is at rest at a stop light.  When the light turns green, the car accelerates from rest to a…

A: Given: Initial speed u = 0 m/s. Final speed v = 32.27 mi/hr = 14.42 m/s. Time taken to achieve the…

Q: A car at a traffic signal starts from rest and makes a left turn in a circular trajectory of radius…

A: GivenInitail velocity Of car (u)=0Radius of circular Trajectory (r)=6 mSpeed (v) of car in 2 s (t)=9…

Q: Two soccer players start from rest, 43 m apart. They run directly toward each other, both players…

A: According to the given data S=43m v a1=0.49m/s2 a2= 0.46m/s2 we need tot find (a) time before they…

Q: An object is released from rest on a planet that has no atmosphere. The object falls freely for 9.5…

A: Given data:  Initial velocity (Vi) = 0 m/s Height (h) = 9.5 m Time (t) = 1 s Required: The magnitude…

Q: A thief is trying to escape from a parking garage after completing a robbery, and the thief’s car is…

A: Given, the height of the car is 1.4 m. Time taken by the door to close up to the height of 1.4m is,

Q: You attach a meter stick to an oak tree, such that the top of the meter stick is 1.47 meters above…

A: The given data are: h=1.47 mu=0 m/st=0.231 ss=1 m

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: A thief is trying to escape from a parking garage after completing a robbery, and the thief’s car is…

A:

Q: You are on the roof of a Physics Building, 18 m above the ground. Your physics professor, who is…

A: Height of building = 18 m  Height of physics professor = 1.72 m  Speed of physics professor towards…

Q: velocity

A: Given: Acceleration of the object is given by the equation, A=(3t2+3t)i+(7t3+6)j At time = 0…

Q: You are on the roof of a Physics Building, 41 m above the ground. Your physics professor, who is…

A: Let h denote the height of the professor, H denote the height of the building, d denote the height…

Q: At time t0=0.0s, a car, starting from rest, moves south. It continues moving south, and by time tf…

A: Initial time: t0 = 0.0 s;Final time: tf = 121 s;Distance: d = 6689 m.North direction is along…

Q: An object is released from rest on a planet that has no atmosphere. The object falls freely for 4.9…

A:

Q: are on the roof of a Physics Building, 29 m above the ground. Your physics professor, who is 1.99 m…

A: Distance =speed × time

Q: You are on the roof of a Physics Building, 21 m above the ground. Your physics professor, who is…

A:

Q: A thief is trying to escape from a parking garage after completing a robbery, and the thief's car is…

A: Given Data : The speed of the thief's car is given as v = 12 ms. The distance of the thief's car…

Q: You attach a meter stick to an oak tree, such that the top of the meter stick is 2.67 meters above…

A: The diagram of the system is given below:                                               According…

Q: An object is released from rest on a planet that has no atmosphere. The object falls freely for 7.03…

A: Given: The distance is d = 7.03 m.

Q: An object with a mass of 2,000 kg moves with a constant speed of 20 m/s on a circular track with a…

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 –