The speed of an object function of time is given by the following equation:
a. What is the magnitude of the object's acceleration (in m/s2) at t = 11 s?
b. What is the object's position if it started at x = 3 m?
The speed of an object function of time is given by the following equation:
QUESTION 6 The speed of an object as a function of time is given by the following equation: m? 6- V2 What is the magnitude of the object's acceleration in m/s2) att - 2 s? -
An object's position is given by the equation:a. What is the velocity of the object as a function of time? b. What is the acceleration of the object as a function of time? c. What is the magnitude of the instantaneous velocity at t = 3.0 s? d. What is the direction of the acceleration? (specify an angle relative to the + x axis).
The position in an object as a function of time is given as ? (?) = ?? + ??^-3. X is expressed in meters and t in seconds. A. What are the units of A and B? B. What is the speed and acceleration for t = 3 seconds?
4. A car's position as a function of time is given by the following equation: x(t)-5 m/s t+2.8 m/s2 t-0.15 m/s3 t3. a. Find the average velocity from 0 to 5 s b. Find the instantaneous velocity at 0, 3, and 5s. c. Find the average acceleration from 0 to 5 s. d. Find the instantaneous acceleration at 0, 3, and 5 s. e. At what POSITIVE time does the car come to rest?
Object A has a position as a function of time given by r A(t) = (3.00 m/s)t i^ + (1.00 m/s2)t2 j^. Object B has a position as a function of time given by rB(t) = (4.00 m/s)t i^ + (−1.00 m/s2)t2 j^. All quantities are SI units. What is the distance between object A and object B at time t = 3.00 s?
Object A has a position as a function of time given by r⃗ A(t) = (3.00 m/s)t i^ + (1.00 m/s2)t2 j^. Object B has a position as a function of time given by r⃗ B(t) = (4.00 m/s)t i^ + (−1.00 m/s2)t2 j^. All quantities are SI units. What is the distance between object A and object B at time t = 4.00 s?
An object is at x at t and moves along the x axis according to the velocity-time graph shown below v (m/s) 20 10 -10 (a) What is the object's acceleration between 0 and 4.0 s? m/s2 (b) What is the object's acceleration between 4.0 s and 9.0 s? m/s2 (C) What is the object's acceleration between 13.0 s and 18.0 s? m/s2 (d) At what time(s) is the object moving with the lowest speed? (If there is more than...
The position of an object as a function of time is given as x= At^3 + Bt^2 + Ct + D. The constants are A=2.10m/s^3, B=1.00m/s^2, C=-4.10m/s, and D=3.00m. What is the velocity of the object at t = 10.0s? At what time(s) is the object at rest? What is the acceleration of the object t = 0.50s What is the acceleration as a function of time for the time interval from = -10.0s to t=10.0s
Question 2 1 pts Object A has a position as a function of time given by ält) (3m/s)ti + (I m/s yej. object B has a position as a function of time given by b(t) (4m/s)ti +(-1m/st) j distance between object A and object B at time t 5 s? .Object 2t2. What is the Question 3 1 pts An object has a position given byi (2m + (5 m/s)t) i + (3m -(1 m/s2)t2) j Determine the velocity of...
The angular position of a rotating object is given as a function of time by ? = 4t 3 - 3t, where ? is in radians and t is in seconds. What is its angular acceleration at t = 2 s? A None of the choices are correct. B 48 rad/s2 C 42 rad/s2 D 24 rad/s2 E 45 rad/s2