Question

A body has an initial position xin = + 2 m, an initial velocity vin =...

A body has an initial position xin = + 2 m, an initial velocity vin = 2 m/s and accelerates with an acceleration a = -1 m/s2. Its average velocity in m/s for the time interval from t = 2 s to t = 4 s is

: A. 2 B. 1 C. -2 D. -1

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

In this question we have to find the average velocity of the body in time interval t=2s to t=4s.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
“A body has an initial position xin = +2 m, an initial velocity vin = 1...
“A body has an initial position xin = +2 m, an initial velocity vin = 1 m/s and accelerates with an acceleration a = -1 m/s^2 Its average velocity in m/s for the time interval from t = 2 s to t = 4 s is:” A) 2 B) 1 C) -2 D) -1 I found 3 different solutions to this question on Chegg, one used derivatives and the other didn’t so please help with an expert answer.
An object starts with an initial velocity of -2.00i m/s. The initial position is the origin....
An object starts with an initial velocity of -2.00i m/s. The initial position is the origin. The constant acceleration = 4.10i + 3.20j m/s^2. a.) What is the initial velocity? b.) What is the vector position at t=2.00 seconds? c.) What is the velocity of the object at t=2.00 seconds? d.) What is the speed of the at t=2.00 seconds?
There are 2 objects, object A has acceleration a= -2 m/s, initial position Xo = 0,...
There are 2 objects, object A has acceleration a= -2 m/s, initial position Xo = 0, and initial velocity Vo = 20. Object B has velocity V = 10 m/s, and after 10 seconds, its position is X(10s) = -1365 Calculate: A) Velocity when they encounter (when they meet) B) Position of encouter C) Time of encounter
1.At time t = 0, the initial position of an object is x1 = -9.00 m....
1.At time t = 0, the initial position of an object is x1 = -9.00 m. Two seconds later he is in position x2 = 5.00m and finally moves to position x3 = -12.0m for a total time of three seconds. Speed average (in m / s) of the object in this time interval is: 2.The position of a particle is described by the function x = 4.0 t2 - 2.0 t + 2.0 (m). Determine the average acceleration (in...
Kinematics Examples: A) A cat has a time dependent position given by x(t) = 4.50 m...
Kinematics Examples: A) A cat has a time dependent position given by x(t) = 4.50 m + (3.20 m/s^2) t^2 - (1.75 m/s^3) t^3 Find Velocity as function of time? Find acceleration as a function of time? Find the position velocity, and acceleration of the cat at t = 3.00 s? Find average velocity and average acceleration for the 1st 3.00s? Find the position of the cat when it first changes direction? B) A robot starts at X0 = 4.00m...
The position of a car as a function of time is given by x = (50...
The position of a car as a function of time is given by x = (50 m) + (-5.0 m/s) t + (-10 m/s2) t2. a. What are the initial position, initial velocity, and acceleration of car? Answer: initial position ______ m; initial velocity _____ m/s; acceleration ______ m/s2 b. What distance does the car travel during the first 1.0 s? Answer:_____ m c. What is the average velocity of the car between t = 1.0 s and t =...
A particle moves along the x axis. It is initially at the position 0.150 m, moving...
A particle moves along the x axis. It is initially at the position 0.150 m, moving with velocity 0.080 m/s and acceleration -0.340 m/s2. Suppose it moves with constant acceleration for 5.60 s. (a) Find the position of the particle after this time. (b) Find its velocity at the end of this time interval. Next, assume it moves with simple harmonic motion for 5.60 s and x = 0 is its equilibrium position. (Assume that the velocity and acceleration is...
6. Given the velocity and initial position of a body moving along a coordinate line at...
6. Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t. v = -13t + 2, s(0) = 10
The angular position of a point on the rim of a rotating wheel is given by...
The angular position of a point on the rim of a rotating wheel is given by ? = 6.0t - 2.0t2 + t3, where ? is in radians and t is in seconds. (a) What is the angular velocity at t = 2 s? rad/s (b)What is the angular velocity at t = 4.0 s? rad/s (c) What is the average angular acceleration for the time interval that begins at t = 2 s and ends at t = 4.0...
A particle moves along the x axis. It is initially at the position 0.150 m, moving...
A particle moves along the x axis. It is initially at the position 0.150 m, moving with velocity 0.080 m/s and acceleration -0.340 m/s2. Suppose it moves with constant acceleration for 5.60 s. (c) Find its position (d) Find its velocity at the end of this time interval.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT