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The position of an object is given by x-at3-e O-13 ms2 4.6 m/s2 13 m/s O2.9...
The position x, in meters, of an object is given by the equation x = A + Bt + Ct 2, where t represents time in seconds. What are the SI units of A, B, and C? A m, s, s B m, m/s, m/s2 C m, m, m D m/s, m/s2, m/s3 E m, s, s2
Q5 The position of an object moving along the x-axis is given by x (5.0 m/s) (10.0 m/s)(4.0 m/s)s Is the acceleration constant? A. Yes, it is equal to-10.0 m/s2. B. Yes, it is equal to -20.0 m/s2. C. Yes, it is equal to 4.0 m/s3. D. Yes, it is equal to 8.0 m/s3. E. No
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
An object moves in along the x-axis with an acceleration given by: a = 4t (m/s2). The position of the object at t=0.0 is 7 m, and its velocity at t=0.0 s is 5 m/s. Calculate the position at t=6 s.
Q5 The position of an object moving along the x-axis is given by x = (5.0 m/s)-(10.0 m/s*)P + (4.0 m/s)ê Is the acceleration constant? A. Yes, it is equal to -10.0 m/s2 B. Yes, it is equal to -20.0 m/s2 C. Yes, it is equal to 4.0 m/s3 D. Yes, it is equal to 8.0 m/s3 Ii No
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?
The position of a particle is given by r = (at2)i + (bt3)j + (ct-2)k, where a, b, and c are constants. a) What is the velocity as a function of time? b) What is the acceleration as a function of time? c) Suppose a = 4.48 m/s2, b = -2.63 m/s3, and c = -82.7 ms2. What is the particle’s speed, in m/s, at t = 2.46 s? d) Referring to the values given in part (c), what is...
4. The position of an object as a function of time is given by x(t) at-bt ct-d, where a 3.6 m/s, b 4 m/s, c = 60 m/s and d= 7 m. (a) Find the instantaneous velocity at t =24 s. (b) Find the average velocity over the first 2.4 seconds, (c) Find the instantaneous acceleration at 2.4 s, (d) Find the average acceleration over the first 2.4 seconds. (Be sure to include the correct signs) (a) and (c) are...