the magnitude of the acceleration
Q: 10. A certain car increases its speed uniformly from 22.0 m/s to 37.0 m/s in a distance of 1.99 x…
A: Answer:- Given Initial speed (u) = 22.0 m/s Final speed (v) = 37.0 m/s Distance travelled (S) =…
Q: 1. The position of a particle is given by 7(t) = (2t + 4)î + (-3t² + 5t + 1)ĵ + 6k, where it is…
A:
Q: It takes 10.0 s for a Ferrari to accelerate from 0 miles per hour to 60 miles per hour. a. How much…
A: a. The acceleration of the Ferrari can be calculated using the kinematic equation.
Q: 1. You are driving your 2015 Volkswagen Golf at night on a straight road through the woods at 60…
A: Conversion 60 mih=60mih1.61×103 mhh3600 s=26.8 ms a. From kinematic equation expression for…
Q: a. A particle is undergoing a uniform rectilinear motion and the displacement as a function of time…
A:
Q: You are on a different planet, and you have been tasked to determine the acceleration of gravity on…
A: The ball is dropped from a cliff, that is at a height of 100 m. The ball falls down, with a final…
Q: A drag-racing motorbike is designed to accelerate at a rate of 58.8 m/s². a. How much time would it…
A: Given data: Acceleration (a) = 58.8 m/s2 Initial velocity (u) = 10.0 m/s Final velocity (v) = 75.0…
Q: 2. A car starts from rest and accelerates to 8 m.s in 5 seconds. It maintains its speed for 2…
A:
Q: s(t) = 1/3t^3 − 4t^2 + 12t, t ≥ 0 a. Find the corresponding velocity and acceleration functions. b.…
A: given that,s(t)=13t3-4t2+12t, t≥0
Q: 2. An object moves in the +x-direction under a constant acceleration. a. If an object is initially…
A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…
Q: a. What are the (x,y) components of the initial velocity? m/s Vix = 4 ymax yi m X = b. What is Ay,…
A:
Q: 2. A blue object and a green object are at the same position at t = 0 seconds. The blue object…
A:
Q: A particle's acceleration is described by the function a(t) = (12 t-30) m/s?, where t is in s. Its…
A: The particle's acceleration is described by a(t)=(12t-30) m/s2 --------(1) Given initial…
Q: I toss a ball into the air. At what point is the acceleration zero? A. Never B. No way to tell…
A: I toss a ball into the air. At what point is the acceleration zero?
Q: In a car crash, large accelerations of the head can lead to severe injuries or even death. A driver…
A: a) The required speed is,
Q: 6. Freight trains can produce only relatively small accelerations. a. What is the final velocity of…
A: 6)time (t)= 7 min=420 seconds initial velocity (u) = 4.50 m/s Acceleration (a)= 0.0450 m/s2
Q: 4. A ball is initially rolling 3m/s east along a table. It undergoes an acceleration of 0.4m/s²…
A:
Q: 1. A ball is thrown upward from the top of a 50 meter high building with an initial speed of 25 m/s.…
A: Solution:- 1) In motion along one dimension, the relationship between initial velocity, final…
Q: 2. The rocket starts from rest to and travels straight up. Its . height above the ground can be…
A:
A kindergarten has a local attraction where a mechanism shows a bee that circles
around a flower. The flower remains in a stable position. If the bee starts from rest, and
its speed increases at a constant rate of 8 mm/s2, determine the following:
a. the magnitude of the acceleration when t = 5 seconds
b. the time for the magnitude of the acceleration to be 100 mm/s2
Step by step
Solved in 3 steps
- i need help with Only the last 3 parts ( C D and E)Asap3. A jet plane has a takeoff speed of Vtakeoff = 60 m/s and can move along the runway at an average acceleration of 2.0 m/s². The runway is 1.5 km. a. Write out the 3 Kinetic equations. 2. v2-U2= Jas 3.5=uttata2 b. Write out the values of initial position, initial velocity, and acceleration. initial position uloity- a: 0.2m/s init.al aueleradion- How many seconds will it take for the plane to reach takeoff speed? С. d. How far will the plane have to travel to get to takeoff speed? e. will the plane be able to get to 60 m/s before it gets to the end of the runway?
- Driving down the road at a speed of 23.9 m/s, you suddenly notice a fallen tree blocking the road a distance of 82.0 m ahead of you. You step on the brake pedal and decelerate at a constant rate. What must the magnitude of your acceleration be so that you will come to a stop 6.6 m in front of the tree? a. 3.79 m/s^2 b. 3.48 m/s^2 c. 3.22 m/s^2 d. 7.58 m/s^2I see that an object has is decelerating, what does this tell me about A? A. Nothing at all, what i see has nothing to do with A B. A is a positive C. A is a negative D. A could be either, depending on the direction of the velocity Can I do the vertical part of a projectile motion problem separately from the horizontal part? A. Always. Horizontal motion is completely separate from vertical motion though they share time B. Never. C. Only under very special circumstances4. A robotic vehicle is exploring the surface of Mars. The robot, which is represented as a point, has x - and y-coordinates that vary with time: x = (3 − 2t); y = (-t² + 4t³) where x and y are in meters and t is in seconds. a. Find the average velocity of the robot between t = 0s and t = 2s. b. Find the average acceleration of the robot between t = 0s and t = 2s. c. At what time the acceleration of the robot will be zero. a. Vavg= -21 + 14ĵ m/s b. davg = 22ĵ C. m s² 2 t = = = 0.083 s 24
- Coasting due West on your bicycle at 9.6 m/s, you encounter a sandy patch of road 6.7m across. When you leave the sandy patch your speed has been reduced by 3.8m/s to 5.8 m/s. a. Assuming the sand causes a constant acceleration, what was the bicycle’s acceleration in the sandy patch? Give both the magnitude and direction. b. How long did it take to cross the sandy patch? c. Suppose you enter the sandy patch with a speed of only 7.6 m/s. Is your final speed in this case 3.4m/s, more than 3.4m/s, or less than 3.4 m/s? Explain.A ball is thrown straight up. What is the velocity and acceleration of the ball at the higest point (peak)? A. velocity = 0m/s and acceration = 9.8 m/s2 down. B. velocity = 0 m/s amd acceleration = 0 m/s2 C. velocity = 0 m/s and acceleration = 9.8 m/s2 up D. velocity = 9.8 m/s up and acceleration = 0 m/s2Q. A woodpecker's brain is specially protected from large decelerations by tendon-like attachments inside the skull. While pecking on a tree, the woodpecker's head comes to a stop from an initial velocity of 0.565 m/s in a distance of only 2.15 mm. a. Find the acceleration in m/s² b. Find the acceleration in multiples of g (g = 9.80 m/s2) This means that you want to determine how much bigger the acceleration you calculated in part a is compared to the acceleration due to gravity, c. Calculate the stopping time (in s).
- a. Find the velocity v(t) and acceleration a(t). b. At what value of t does v=0? c. What is the maximum height?2. A jet plane has a takeoff speed of vtakeoff = 73 m/s and can move along the runway at an average acceleration of 2.4 m/s2. The runway is 1.2 km. Write out the 3 Kinetic equations. a. b. Write out the values of initial position, initial velocity, and acceleration. How many seconds will it take for the plane to reach takeoff speed? с. d. How far will the plane have to travel to get to takeoff speed? will the plane be able to get to take off before it gets to the end of the runway? е.Given a particle that moves according to r(t) = (t2, t+,t-) t3 write the acceleration aa of the particle in the form a = aTT+aNN. at t = 0+ Select one: a. a(0) = 2T -N b. a(0) = 2N C. a(0) = 2T d. a(0) = T+N e. a(0) = N