v (m/s) 20아 20 30 40 10 (s) -20- An object begins at position x = 0 and moves one-dimensionally along the x-axis with a velocity v expressed as a function of timet according to the graph above. At what time does the object pass through x = 0 again? a. en 10 s and 20 s b. Between 20 s and 30 s C. At 30 s exactly d. Between 30 s and 40 s

Q: You drive 5 km at 30 km/h and then another 5 km at 50 km/h. What is your average speed for the whole…

A:

Q: 41. Average velocity. In t seconds, an object dropped from a certain height will fall s(t) feet,…

A: Given Data: The height is given by, st=16t2. (a) The values of s(5) and s(3) can be calculated as,…

Q: As part of an exercise program, a woman walks south at a speed of 2 m/s for 60 minutes. She then…

A: Given: The intial velocity of the object is 2 m/s in the south for 60 minutes. The distance traveled…

Q: A car traveling 67 km/hkm/h slows down at a constant 0.51 m/s2m/s2 just by "letting up on the gas."…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: 2. An object moves in the +x-direction under a constant acceleration. a. If an object is initially…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: The object is thrown straight up at 3m/s from 1 m above the ground. Which of the following best…

A: Given data:  Initial velocity (u) = 3 m/s, straight upward Initial height (h) = 1 m Required: The…

Q: 1 de 1 A vehicle drives at a constant speed of 215km/h for 42.3 seconds, accelerates by 29.4m/s2 for…

A: "Since you have asked multiple questions, as per instructions to us, we will solve the first…

Q: An express train passes through a station. It enters with an initial velocity of 23.6 m/s and…

A: Initial velocity (u) = 23.6 msacceleration (a) = - 0.16 ms2Length of station (d) = 200 m

Q: 2. A car is driven 1200 m north at 20.0 m/s and then driven 1600 m east at 25.0 m/s. What is the…

A: North:Distance Xn= 1200m Speed Vn= 20 m/sEast:Distance Xe= 1600mSpeed Ve= 25m/s

Q: 3. An object's position as a function of time is given by the following formula: f(t) = {(0.25…

A: As per guidelines only 3 subparts are solved here.

Q: Given the position versus time plot of an object, which of the following statement is correct? 1.0F…

A:

Q: out time. The position of the object is shown on the position-time graph shown. Using only words,…

A: slope of x-t graph give the velocity  i will be explaining the velocity variation through the slope…

Q: 1. Visualization (a) The middle graph below shows the velocity of a mouse (running back and forth…

A: Given that, the initial position t=0 of the mouse is xo=+3m and the velocity uo=+1m/s   From the…

Q: 2. A blue cart is initially stationary. A red cart starts out behind the blue cart moving quickly on…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 1. A bicyclist pedals at a speed of 5.0 m/s. How far does he travel in 2000 seconds?

A:

Q: A toy car is moving at 13 cm/s when it begins accelerating at 1.4 cm/s2. If the acceleration is…

A: Write the given values with the suitable variables. u=13 cm/sa=1.4 cm/s2s=27 m Here, u is the…

Q: Here is the velocity graph of an object that is at the origin (x=0m) at t=0s. At t = 4.0 s, the…

A: The velocity vs time graph The position of objects at t=0 s x0 =0 mRequired:The object's position…

Q: 7. An object's velocity is v = t* – 3t² where t 2 0. a) At what time/times is the object at rest? b)…

A:

Q: 1. Where and when will they meet? What assumption did you make? Draw a graphical representation to…

A: The two persons, A and B are running towards each other, A with a velocity of 8 m/s and B with a…

Q: which of the following speeds is the fastest? a. 4.2 ' 10^-2 km/s b. 1.4 ' 10^2 km/s c. 4.0 '…

A:

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…

A: The position of a particle moving along x axis is given by the equation : x(t) = 3 - 1.5 t m

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.