2 An airplane decelerates at a constant rate of 4.87 m/s when it landed on the runway of an airport. For a duration of 15.4 s, the plane has covered a distance of 1310 m between two points along the airport runway. What is the speed of the airplane at the first point? O 47.6 m/s O 75.0 m/s 123 m/s 113 m/s
Q: A car is traveling at 20 m/s. At t = 0 s, it begins to slow at a constant rate so that its speed is…
A:
Q: A student drove to the university from her home and noted that the odometer reading of her car…
A: Given: The distance covered by the car d = 12 km. The time taken by the car t = 18 min.
Q: A 2.0-cm-tall object is 20 cm to the left of a lens with a focal length of 10 cm. second lens with a…
A: Height of the object, Object distance, to the left of the first lens.The focal length of the first…
Q: The position of a particle moving along the x axis is given by x = 6.0t² - 1.0t³, where x is in…
A: give position x =6t2-1t3. we know velocity V = dx/dt = d(6t2-1t3)/dt v= 12t-3t2 M/s where x is in…
Q: You attach a meter stick to an oak tree, such that the top of the meter stick is 2.67 meters above…
A: A meter stick is attached to the oak tree, such that its top is at a height of 2.67 m from the…
Q: A ball is dropped from an upper floor, some unknown distance above Tom's apartment. As he looks out…
A:
Q: An object is initially at rest and accelerates at a rate of 3.50 m/s² in the positive x-direction.…
A: The time required by the object to move 50 m from the initial position is 5.34 s
Q: 3. The graph shows the velocity vs. time motion for a bicycle. How far does the bicycle travel in…
A:
Q: question number 41
A: The given equation of motion corresponds to Newton’s equation of motion.
Q: Ima Rushin can travel from Milwaukee Avenue to the school entrance gate at a constant speed of 22.5…
A: Given:- The constant speed of the Ima Rushin is u = 22.5 m/s. when the lights are green and there…
Q: An 18-year-old runner can complete a 10.0-km course with an average speed of 4.51 m/s. A 50-year-old…
A: Given value--- distance = 10 km speed of 18 year old runner = 4.51 m/s. speed of 50 year old runner…
Q: A cat is sleeping on the floor in the middle of a 3.0 m wide room when a barking dog enters with a…
A:
Q: 2. A car is driven 1200 m north at 20.0 m/s and then driven 1600 m east at 25.0 m/s. What is the…
A: North:Distance Xn= 1200m Speed Vn= 20 m/sEast:Distance Xe= 1600mSpeed Ve= 25m/s
Q: +50.0 +40.0 +30.0 A +20.0 +10.0 0.5 1.0 1.5 2.0 2.5 3.0 Time (h) Position x (km)
A: The given values with suitable variables are listed below. Here, xiA denotes the initial position…
Q: A ball is thrown upward with an initial velocity of 25.0 m/s at time t = 0.0 s, from a roof 50 m…
A: Height, H =50 m initial velocity, u = 25 m/s
Q: Can you help me solve this problem please? A hot air ballon is rising into the air with a constant…
A: Here Initial velocity of the air ballon = u 4.75 m/sHeight from the ground when a bag is dropped =…
Q: A racecar starts from rest and accelerates along a straight track. After 11.0 seconds its velocity…
A:
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 spaceship is traveling at a velocity of when its rockets fire, giving it an acceleration of V = Vo…
A: Given data: Initial velocity (v0) = (37.9 m/s)i Acceleration (a) = (2.52 m/s2)i + (4.19m/s2)j Time…
Q: Position of a particle moving along the x-axis varies in time according to the following expression…
A:
Q: The velocity of an object as a function of time is given by v(t) = b + ct - et², where v and t are…
A: Data we have v(t)=b+ct-et2 To find instantaneous acceleration when t=0.63s
Q: You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock…
A: In this question we have to find the speed of the rock. Please give positive feedback if the answer…
Q: Cheryl runs a race on a circular 400.0 m track. She starts running east of the starting line and…
A: Explanation: The velocity of an object is defined as the rate of change of the position of the…
Q: A jet airplane touches down on an airport runway with a speed of 213 km/hr. It slows at a constant…
A:
Q: While standing at the edge of the roof of a building, a man throws a stone upward with an initial…
A: Given Initial vertical speed u=7.39m/s Height h=-19.1 m g=-9.8 m/s2
Q: Which velocity graph shows the car moving toward the left (toward the origin) at a steady (constant)…
A: The car moves in left side, So the velocity of the car is must be in Nagative: So, Either Option B…
Step by step
Solved in 2 steps
- A plane flies 36.0° north of east for 1.80 km to get to city B. The trip takes 3.00 hours. The plane departs city B and travels due west to reach city C. City C is 811 km from city B and the trip takes 1.80 hours. Let the positive 2-direction point due east and the positive y-direction point due north. a) Which vector below represents the plane's average velocity? N B E OĎProblem 2: I need to drive from A to C via B at total distance of AL. The distance from A to B is AL1, from B to C is AL2. I have time At to get from A to C, so I figure I can make it if I average = AL/At for the entire trip. Going from A to B, the traffic is heavy and I can only average a speed v1. AL1 AL2 A В C Part (a) How fast do I have to go from B to C in order to average for the whole trip? Write an equation expressing v2 (the speed I need to average going from B to C) in terms of the other symbols given: v, AL1, AL2, and At.The position of a particle moving along the x-axis is given by x = 30 t2- 30 t“, where x is in meters and t is in seconds. What is the position of the particle when it achieves its maximum speed in the positive x-direction? O 3 m 4.2 m O 5.6 m O 27 m O 9.8 m
- A bus makes a trip according to the position-time graph shown in the drawing. What is the average velocity (magnitude and direction) of the bus during (a) segment A, (b) segment B, and (c) segment C? Express your answers in km/h. 450.0 +40.0 C. +30.0 +20.0 B +10.0 0.5 1.0 1.5 2.0 2.5 3.0 Time (h) (a) Number i Units (b) Number i Units (c) Number i Units Position x (km)1. A train leaves the station on a 50 km commute. The train must make a 60-second stopevery 1.0 km to pick up and drop off passengers. The train accelerates at 2.0 m/s2, then cruises at90 km/h, and then decelerates at 5.0 m/s2 between stops.(a.} How many stops does the train make?(b.} How long does it take for the train to get from one stop to the next?(c.} What is the total time for the entire commute?The velocity and acceleration of an object at a certain instant are 3 = (3.0 m/s)j ä = (5 m/s²)î At this instant, the object is Ospeeding up and moving in a straight line. speeding up and following a curved path. slowing down and following a curved path. moving with constant speed and following a curved path. slowing down and moving in a straight line.
- You are driving your car along a country road at a speed of 23.6 m/s. As you come over the crest of a hill, you notice a farm tractor 25.0 m ahead of you on the road, moving in the same direction as you at a speed of 10.0 m/s. You immediately slam on your brakes and slow down with a constant acceleration of magnitude 7.20 m/s2. How far is the tractor in front of you when you finally stop?The position of a particle moving along the x axis is given by x= (21 + 22t - 5.0t?)m , where tis in s. What is the average velocity during the time interval t= 1.0 s to t=3.0 s? O a. 14 m/s О b. 10 m/s О с. 2 m/s O d. 18 m/s O e. 6 m/sYou throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock passes you on its way down, 6.00 ss after it was thrown. What is the speed of the rock just before it reaches the water 27.0 mm below the point where the rock left your hand? Ignore air resistance.
- A rocket-powered sled moves along a track, eventually reaching a top speed of 247 m/s to the west. It then begins to slow down, reaching a complete stop after slowing down for 3.92 s. What was the sled s average acceleration and velocity during the slowdown phase? 0 m/s^2 0, 123.5 m/s west 63.0 m/s^2 west, not enough information 123.5 m/s^2 east, 123.5 m/s east 63.0 m/s^2 east, not enough informationA particle moves in such a way that a = 2t + 2 m/s/s, where t is in seconds. Determine the velocity ( m/s ) of the particle after 5 seconds. O 15 O 25 O 30 O 376 40 4:05 O O 6.40 A (VPN KB/S 79 At time t= 0, a car and a truck are side by side on a freeway: car's velocity just then is zero car's constant acceleration is 6.0 m/s2 truck's velocity just then is 8.00 m/s truck's constant acceleration is 2.00 m/s2 How far down the road is the point where the car and truck will again be side by side? Number i Units ()