Example 6. A particle has a position function: F(t) = (10t – t)i + 5tj + 5tk m. a. What is the velocity? b. What is the acceleration? c. Describe the motion from t Os.
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Q: c. What is the object's displacement 2.50 seconds after being thrown?
A: height = h = 12 maccelerationdue to gravity = g = 9.8 m/s2
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Q: 1. The position of a particle moving along the x-axis is given by x(t) = 3.0 – 1.5t m. a. At what…
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- FREE FALL A rocket with booster blasts off and heads straight upward. When at a height of 5.0 km and velocity of 200.0 m/s, it releases its booster. a. What is the maximum height the booster attains? b. What is the velocity of the booster at a height of 6.0 km? Neglect air resistance.In an experiment, a tern (a seabird) was taken from its nest, flown a distance 5050 km away, and released. It found its way back to its nest a time 13.6 days after release.6. A futsal player leaves the bench and runs 5.0 m [N] and then 4.0 m [W] where she stops after 9 seconds. Gi a. what is the total distance traveled b. what is the displacement of the player c. what is her average speed d. what is her average velocity
- I Review I Constants A particle moving along the x-axis has its velocity described by the function v. 2t? m/s, where t is in s. Its initial position is xo = 2.4 m at to = 0 s . Part A You may want to review (Pages 55 - 56) . Part B Part C At 2.2 s , what is the particle's acceleration? Express your answer with the appropriate units. HA ? Value Units a = Submit Request AnswerA football player makes a touchdown run of 100 yards in a time of 1.5 seconds. What is the av.speed in m/s during his run? ( 1 yard = 0.9144 meters) DON'T ROUND YOUR ANSWER. a. 60.96 m/s b. 1.3716 m/s c. 0.6096 m/s d. 137.16 m/sI 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 circumstances
- Displacement VS. Time Need hep with B, C, D, E.Number 62. 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.
- The trajectory of a particle follows the following function x(t)=4t^4+2t^2 in the unit of meter. Find the acceleration of the particle at t=1s? O A. 15 m/s^2 O B. 52 m/s^2 O C. 6 m/s^2 O D. 20 m/s^2Given 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) = NThere is a freefalling object starting at rest.a.Exactly 1.8s later what will be its velocity?b.What is the displacement fallen after 1.8s later? C.If vertical and horizontal velocity components of a projectile are 127 m/s, what is the resultant velocity and direction?