A roller coaster rapidly picks up speed as it rolls down a slope. As it starts down the slope it's speed is 4 m/s. But 3 seconds later,at the bottom of the slope, is 22m/s. What is it's average acceleration?

Q: The Shinkansen (bullet train in Japan) makes a trip from Tokyo Station to Kyoto station in 2.0 hours…

A: Given  The total distance between Tokyo Station to Kyoto station is DTotal = 460 km = 460 x 1000 m =…

Q: A car moving with a velocity 10 m/s reaches at 30 m/s in 10 s. What is the acceleration of the car?…

A:

Q: Saab advertises a car that goes from 0 to 60 mi/hr. in 6.2 seconds. What is the average acceleration…

A: The average acceleration of an object with an initial velocity vo and final velocity vf is given by,…

Q: What is the height of a projectile in 5 seconds if its initial height is 385 feet, and it has a…

A: Given : t = 5 seconds yo = 385 feet vo = 10 feet per second

Q: A motorist drives north for 48.0 minutes at 75.0 km/h and then stops for 20.0 minutes. He then…

A:

Q: An object moves along the positive x-axis with a speed of V, =4 m/s for 2 seconds, then moves along…

A: Given: The velocity V1 is 4 m/s. The time duration is 2 s. The velocity V2 is 7 m/s. The time…

Q: A truck travels 540 ft in 8 s while being decelerated at a constant rate of 1.5 f/s?. Determine (a)…

A:

Q: You are walking through your neighborhood and you see a boy on the roof of a building kicking a…

A:

Q: At an average speed of 11 m/s, how many kilometers can a cyclist travel in a 7 hour day?

A: Given data:  Average speed (Vavg) = 11 m/s Time (t) = 7 hour Required: Distance traveled in…

Q: On the Moon, where the acceleration of gravity is very close to one sixth that of the earth, an…

A: Here  time is given ,t= 7.8 s  Acceleration ,a= g/6

Q: The figure shows the velocity-versus-time graph for a motorcycle moving along the x-axis. v (m/s) 8…

A:

Q: The Shinkansen (bullet train in Japan) makes a trip from Tokyo Station to Kyoto station in 2.0 hours…

A:

Q: An F18 is launched from the runway of an aircraft carrier. Starting from rest, in 2 s, the plane…

A: Write the given values with the suitable variables. u=0t=2 sv=151 km/h=151×10003600 m/s=41.94 m/s…

Q: A ball is thrown straight up with a velocity of 20 m/s. At the top of its path its acceleration is:…

A: When a ball is thrown up with an initial velocity of 20m/s, the velocity of the ball decreases as…

Q: In 2.5 s, a car increases its speed from 20.0m/s to 25.0m/s. What is the acceleration of the car? 05…

A:

Q: A rocket accelerates from rest at a rate of 23.2 m/s? for exactly 1 minute. The rocket's speed after…

A: Acceleration of the rocket is a = 23.2 m/s2 Time of acceleration is T = 1 min = 60 sec Initial speed…

Q: A jet plane has a takeoff speed of v 66 m/s and can move along the runway at an average acceleration…

A: Given The take-off speed of the jet plane is vto = 66 m/s. The average acceleration of the jet plane…

Q: A car is moving with a velocity (3.0 m/s) + (1.0 m/s) and 2.0 seconds later its velocity is (6.0…

A: Given:-             A car is moving with a initial velocity = (3.0 m/s) + (1.0 m/s)…

Q: An object moves along the positive x-axis with a speed of V1 =9 m/s for 2 seconds, then moves along…

A: Average speed = (Total distance)/(Total time) Distance d1 = speed * time = 9*2 = 18 m Distance d2 =…

Q: The following graph represents the acceleration vs. time curve of an object moving along the x-axis.…

A:

Q: Juliette is driving her car when she sees a cat run across the road. If she is able to stop the car…

A: Final speed,  Time,  Distance,

Q: Ben threw a ball straight upwards with initial velocity of 14.5 meter per second. Disregarding air…

A: Given,  Initial velocity of ball (u)= 14.5 m/s (straight up)

Q: A movel has function for its acceleration given by: (function in the image)…

A: We know that acceleration  a= dvdt V=∫adt.....(1)

Q: The figure here shows the speed v versus height y of a ball tossed directly upward, along a y axis.…

A: Given : d = 0.37 m vB = vA/3

Q: A bald eagle flies a distance of 140 km, north in 1.5 hours. Then it flies another 45 km in the same…

A: Given data The total distance traveled by the eagle is d = 140 km + 45 km = 185 km. The total time…

Q: A tourist drops his cell phone from the top of the Renaissance tower and according to the…

A: Here the distance traveled by the cell phone is 270m.

Q: A ball starts from rest and rolls down a hill with uniform acceleration, traveling 190 m during the…

A:

Q: A student walks 2 km in 30 minutes. What is the student's average speed in km/hr?

A: Given data:  Distance (d) = 2 km Time (t) = 30 minutes Required: Average speed in km/hr

Q: A roller coaster car rolls from rest down a 20° incline with an acceleration of 5.0 m/s? How far…

A:

Q: A tennis ball is tossed vertically upwards and travels a distance of 6.5 m in 1.2 seconds. What was…

A: Given  Distance = D = 6.5 m  Time = T= 1.2 sec  U =?????   a =-g = -9.8 m/s²

Q: The acceleration of a body moving along the X-axis is a = (4x - 2) , where x is in m meters. Given…

A: Given data: The acceleration relation is a=4x-2 m/s2. Velocity at x0=0 is v0=10 m/s.

Q: When it takes a car 8.9 s to increase its speed from 4.5 m/s to 25.4 m/s, what is the magnitude of…

A:

Q: A slow jogger runs å milè 16 minutes Calculate the speed (a) in/s in/s (b) m/min m/min (c) km/h

A: Here, we calculate the given as follow;

Q: An object is moving at speed of 30 m/s on a straight line when it starts to slow down at a rate of 5…

A: 75.6 m

Q: A football coach walks 18 meters westward, then 12 meters eastward, then 28 meters westward, and…

A: Displacement d is the shortest distance between the starting and endpoints of a journey. Whereas…

Q: A stone is dropped (released) from the top of a building of 60 m above the ground. How long does it…

A: Write a given values of this question. h=60mu=0 m/s

Q: A ball starts with an initial speed of 4.00 m/s and rolls down an incline with an acceleration of…

A: initial speed = 4 m/sacceleration = 2 m/s2 final speed = 8 m/slength of incline ??

Q: Question 10 A jogger travels 40 m along a path in 20 seconds. What is the jogger's average speed?…

A: Answer:- (B) 2 m/s  Given  Distance (S) = 40 m  Time taken (t) = 20 s  Average speed (Vav) = ?  We…

Q: Layla's initial speed is 3 m/s, she traveled at a distance = 10m. Using rapid boots, it increases…

A: Given Data : The initial speed of Layla is given as vi=3 ms The distance traveled by Layla is given…

Q: A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s² south.…

A:

Q: A rock is thrown straight up with an initial velocity of 2.2 * 10' m/s. What maximum height will the…

A:

Q: A hiker walks 9.5 miles to the east in 5.2 hours, then turns around and walks 3.1 miles to the west…

A: Answer:-  Given  Distance (S1) = 9.5 miles due to east  Time (t1) = 5.2 hours  Distance (S2) = 3.1…

Q: A semi truck is accelerating (speeding up) at 5.30 m/s^2 up a incline (a hill). At a particular…

A: Given accelerating of semi truck = 5.30 m/s2  speed of semi truck = 12.9m/s  We have to calculate a.…

Q: A speedboat has a velocity of 48 kph as it comes out of a turn. It accelerates at the rate of 0.3…

A: Given: speed boat velocity v=48 kph = 13.33 m/s  Acceleration a = 0.3 m/s2

Q: An antelope moving with constant acceleration covers the distance 71.0 m between two points in time…

A: Solution: given that d = 71 m v = 15.2 m/s t = 7.6 s

Q: A car can go from zero to 120 miles per hour in 6.5 seconds. If it can keep its acceleration…

A:

Q: A rock is thrown straight up with an initial velocity of 8.3 * 10' m/s. What maximum height will the…

A: