Starting from rest, a car accelerates at a rate of 8.1 m/s for 5.1 seconds. What is its velocity at the end of this time? The velocity at the end of 5.1 seconds is m/s.
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A: Intial velocity (u) = 0 km/hr Final velocity (v) = 100 km/hr time taken (t) = 10 seconds To find :…
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Q: A car traveling with an initial velocity of 29 m/s slows down at a constant rate of 5.4 m/s^2 for 3…
A: Initial velocity of car (u) = 29 m/s acceleration (a) = -5.4 ms2time (t) = 3 seconds
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A: velocity , v = 2 m/s Time , T = 15 seconds To find = Distance covered
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Q: A car starts from rest, speeds up with constant acceleration, and travels 200 meters in 5 seconds.…
A: Given data The car travels a distance of d = 200 m. The time taken by the car is t = 5 sec. The…
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A: Given, u = 0 m/s (initially at rest) a = 3.7 m/s2 (acceleration) t = 1.7 s As we know, from…
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A: initial velocity of dog = V0= 5.5m/s final velocity = V = 0 m/s ( stops) time = t = 1.5 seconds…
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A: It is given that, u=12.2 m/st=8.55 sa=-g=-9.8 m/s2
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A: Given quantities: initial velocity (u) = 35 m/s final velocity (v) = 30 m/s distance traveled (s) =…
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Q: a car slows down from 45 m/s to 13m/s in 4 s. What is the acceleration.
A: Given that a car slows down from 45 m/s to 13m/s in 4 sec i.e.initial velocity V1 =45 m/secfinal…
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A: acceleration,a=-3.5 ms2final velocity,v=9 mstime,t=2sinitial velocity,u=?
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A: The given values are,
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Q: A car travels at 10 m/s for 20 seconds and then at 20 m/s for 30 seconds. What is the average speed…
A: Average speed = total distance / total time distance in span = speed X time
Q: a truck traveling at 35 m/s slows down to 30 m/s over a distance of 13 meters. What is the…
A: Answer:- Given Final Velocity of a truck (V) = 30 m/s Initial velocity of a truck (u) = 35 m/s…
Q: jet plane landing at O’Hare goes from 100 m/s to 10 m/s in 20 s. What is the plane’s acceleration?
A: Given data Initial speed u = 100 m/s Final speed v = 10 m/s Time taken t = 20 s
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Q: Patrons are riding the free fall drop at the carnival. If the ride free falls for 2.0 seconds, what…
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Q: A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope,…
A: Initial speed of roller coaster car = 4 m/sfinal speed of car = 22 m/sTime taken = 3 seconds
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- The acceleration of a particle is given by a - 2t - 17, where a is in meters per second squared and tis in seconds. Determine the velocity and displacement as functions of time. The initial displacement at t= 0 is so = -2 m, and the initial velocity is vo = 4 m/s. Once you have determined the functions of time, answer the questions. Questions: When t = 5.9 s, m i m/s m/s?A runner covers one lapof a circular trap 40.0m in diameter in 62.5s. For that lap. What were her average speed and average velocity?If she covered the first half lap in 28.7 s what were her average speed and average velocity for that half-lap?The graph below plots the position versus time for a particular partide moving along the x-axis. What is the average velocity over the following time intervals (in m/s)? (Indicate the direction with the signs e your answers.) x (m) 16 14 12 10 A 6 4 2 -2 (a) o to 2.00 ✔m/s 3 4 r(s) D (b) 0 to 4.00 s S What is the definition of average velodty? What is the initial and find tine? What is the time interval? Read the initial and final positions from the graph, then calculate the displacement from the ori m/s (o) 2.00 s to 4.00 4 What is the definition of average velocity? What is the initial and final time? What is the time interval? Read the initial and final positions from the graph, the calculate the displacement from the grash mys
- You drive a beat-up pickup truck down a straight road for 5.2 mi at 43 mi/h, at which point yourun out of fuel. You walk 1.2 mi farther, to the nearest gas station, in 27 min (= 0.450 h). What isyour average velocity from the time you started your truck to the time that you arrived at thestation?A car has an initial velocity is 10.0 m/s and it accelerates at 2.00 m/s? while it is going up a 200 m ramp. a) What is the final velocity at the top of the ramp? b) How much time does it take the car to get up the ramp?Suppose a car merges into freeway traffic on a 200 m long ramp. If its initial velocity is 10.0 m/s and it accelerates at 2.00 m/s2, how long does it take the car to travel the 200 m up the ramp (in s)?
- A motorcycle has a constant acceleration of 5 m/s2. Both the velocity and acceleration of the motorcycle point in the same direction. If at t=4s the velocity of the motorcycle was 60 m/s, what was its initial velocity, at t=0s, in m/s?A hovercraft has an initial position of ⃗r(t = 0s) = 235m @ 265◦, an initial velocity of⃗v(t = 0s) = 125m/s @ 14◦, and a constant acceleration of ⃗a = 21.3m/s2 @ 143◦ How long does it take for the x coordinate of the hovercraft’s position to reach -100m What is the hovercraft’s speed at this time? What is the hovercraft’s acceleration at this time?Suppose a car merges into freeway traffic on a 200 - m - long ramp. If its initial velocity is Om / s and it accelerates at 2.00 m / s2, how long does it take the car to travel the 200 m up
- A particle moves in a straight line withe a constant acceleration of 4.05 m/s2 in the positive direction. If the initial velocity is 2.23 m/s in the positive direction, then how long, in seconds, does it take to move 7.66 m? And what is the particles final velocity in m/s?A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.00 m/s, and her takeoff point is 1.10 m above the pool. a)How long (in s) are her feet in the air? b) c)What is her velocity (in m/s) when her feet hit the water?A turtle crawls along a straight line, which we’llcall the x-axis with the positive direction to the right. The equationfor the turtle’s position as a function of time is x 1t2 = 50.0 cm +(2.00 cm/s)t - (0.0625 cm/s2)t2. How long after starting does it take the turtle to return to its starting point?