A particle's velocity is given by v(t) = 21 + cos(5t). Find the following. (3 pts....
the velocity of a particle is given by v=[16t^2i+4t^3j +(5t+2)k]m/s, where t is in seconds. If the particle is at the origin when t=0, determine the magnitude of the particle's acceleration when t=2s. What is the x,y,z coordinate position of the particle at this instant.
If the position of a particle is given by x=20t-5t^3 x = 20 t ? 5 t 3 , with x in meters and t in seconds, when, if ever, is the particle's velocity zero? b) When is the acceleration a zero? c) For what time range (positive or negative) is a negative? d) Positive? e) Graph x ( t ) , v ( t ) , and a ( t ) .
3.) The position of a particle is given by x(t) = 3t3 – 2t2 – 5t + 10, where t is in seconds and x is in meters. Find the initial position of the particle. Find the position of the particle after 5 seconds. Find the average velocity from 0 sec to t = 5sec Find the instantaneous velocity as a function of time Find the instantaneous velocity at t = 2 seconds. Find the instantaneous velocity at t=4 seconds...
The velocity of a car is given by V(t) = 5t(1 - $), where units of length are miles and units of time are hours. (a) What is lim V(t)? When is V' (t) = 0? Explain these using words like "speeding up" and "slowing down."(5 pts) (b) Calculate the average velocity of the car from t = 0 tot - 4.(5pts) (c) Determine the net change in position from t - Otot - 4. (5pts) (d) What constant velocity...
Find the position vector for a particle with acceleration, initial velocity, and initial position given below. a(t) = (2+, 4 sin(t), cos(5t)) v(0) = (-3, -5,0) 7(0) = (-5,2, - 1) F(t)
Int The velocity of a particle along a path is given by v(t)= fort > 0.6 points each) a. Find the acceleration function of the particle along this path. t b. Find the position function of the particle given that its position at t=1 is 5.
the position of a particle is given by s(t)=5t^2 -6t+8 find the funtion that describes its acceleration at time t 10 points. 7. The position of a particle is Pind the function that describes its acceleration at time to given by s(t)=5t'-6t+8.
9. A particle moves along the x-axis so that its velocity v at time t, for0 sts 5, is given by v(t) In(t2-3t +3). The particle is at position x 8 at time t 0. a) Find the acceleration of the particle at time t 4. b) Find all times t in the open interval 0<t <5 at which the particle changes direction. During which time intervals, for 0st s 5, does the particle travel to the left? c) Find...
Learning Goal: To find the velocity and acceleration vectors for uniform circular motion and to recognize that this acceleration is the centripetal acceleration. Suppose that a particle's position is given by the following expression: r⃗ (t)=R[cos(ωt)i^+sin(ωt)j^] =Rcos(ωt)i^+Rsin(ωt)j^. Part C Find the particle's velocity as a function of time. Express your answer using unit vectors (e.g., A i^+ B j^, where A and B are functions of ω, R, t, and π). Part D Find the speed of the particle at...
Let s(t) represent the position, v(t) represent the velocity, and a(t) represent the acceleration of a particle moving along a horizontal line. For each of the problems below: a. Find the net distance traveled in the interval given. Justify your answer analytically b. Find the total distance traveled in the interval given. Justify your answer analytically. v(t) = t^2 – 5t + 6 where 0 ≤ t ≤ 3.