An object velocity is measured to be v_x(t) = alpha -beta^2, where alpha = 4.00 m/s...
A particle's velocity is described by the function v_x=kt2, where v_x is in m/s, t is in s, and k is a constant. The particle's position at t_0=0s is x_0 = -6.00 m . At t_1 = 2.00 s , the particle is at x_1 = 8.40 m . Determine the value of the constant k.
An object begins at an initial position of s = -2.0 m. The plot shows the object's velocity in the s-direction as a function of time. Find the object's: a. Displacement (Δs) at t = 9.0 s b. Position (s) at t = 9.0 s c. Average velocity (vs,ave) between t = 0 s and t = 9.0s d. Acceleration (a) at t = 2.0, 6.0, and 8.0 s
An object moves with constant acceleration. At t = 2.50 s, the position of the object is x = 2.00 m and its velocity is v = 4.50 m/s. At t = 7.00 s, v = -12.0 m/s. Find: (a) the position and the velocity at t = 0; (b) the average speed from 2.50 s to 7.00 s, and (c) the average velocity from 2.50 s to 7.00 s.
An object has a position given by r 2.0 m + 4.00 m/s t i t 3.0 m (3.00 m/s2)2 J , where quantities are in SI units. What is the speed of the object at time t = 2.00 s? O 10.1 m/s O 17.7 m/s O 12.6 m/s O 15.2 m/s O 7.59 m/s
The position of an object moving along a straight line is given by where s is measured in feet and t in seconds. Find the velocity v(t) and acceleration a(t) of the object after 3 sec. (Round your answers to three decimal places.) ft/sec ft/sec2 a(3) The position of an object moving along a straight line is given by where s is measured in feet and t in seconds. Find the velocity v(t) and acceleration a(t) of the object after...
11. An Object moving with uniform acceleration has a velocity of 1.2 m/s when x=3cm. What is the objects acceleration if 3 seconds later the object's position is x=-12cm? 2. If the Energy of a mass on a vibrating spring is represented by E= k V t, where "V" is the volume of the mass on the spring, and "t" is for time. What units must the constant “k" have in order for the equation to be dimensionally correct.
An object's motion can be described by the equation x(t) = (6.0 m/s2)t2-(2.0 m/s)t+1.0 m. a. Find the object's position, velocity, and acceleration at t = 3.0 s. Plot the object's position, velocity, and acceleration (all on separate plots) from t = 0 s to t= 5 s. The following graph shows an object's velocity over time. At t-0 s the objects begins its motion at x = -2m.b. What is the object's displacement from t=0 s to t = 6 s? c....
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...
At the time t = 0 s, an object of mass m = 10.5kg goes through the origin of a reference frame with at velocity x_0 = 12.0 m/s directed along the x axis. A constant force F = 15 N distorted along the y axis is applied to the object. a) Draw a free body diagram of the object. b) Calculate the magnitude of the object's acceleration. c) Calculate the x and y coordinate of the object at the...
Please show all your work. 5) Acceleration is to velocity as velocity is to position . aaux"# r where vr įs the instantaneous velocity. So the average acceleration is about how rapidly the instantaneous velocity is changing, and the sign tells about the direction of the change. At For the pendulum, you made estimates of the instantaneous velocity for ←2.05[s] and t= 2.5%]. Also, the average speed and average velocity estimates that you made at other times may be reasonable...