Question
A particle has an acceleration of+6.24 m/s^ ^ 2 for 0.450 s. At the end of...
A particle has an acceleration of+6.24 m/s^ ^ 2 for 0.450 s.
At the end of this time the particle’s velocity is +9.31 m/s. What
is the particles average velocity at this time interval ( 0.450s )?
( your answer in m/s )
Homework Answers
Answer #1
Solution:
Given,
Acceleration 
time 
final velocity 
Let the intial velocity be 
.
Using equation of motion,
So,
Now,
Average velocity is given by,
The average velocity is 
.
Not the answer you're looking for?
Similar Questions
A particle has a constant acceleration of a = axi + ayj and at t =...
A particle has a constant acceleration of a =
axi +
ayj and at t
= 0 it is at rest at the origin
What is the particle’s position as a function of time?
What is the particle’s velocity as a function of time?
What is the particle’s path, expressed as y as a
function of x?
The position of a particle is given by r =
(at2)i +
(bt3)j +
(ct-2)k, where a,
b, and c are constants.
What...
A particle moves along one dimension with a constant acceleration of 4.60 m/s2 over a time...
A particle moves along one dimension with a constant
acceleration of 4.60 m/s2 over a time interval. At the end of this
interval it has reached a velocity of 13.8 m/s.
(a)
If its original velocity is 6.90 m/s, what is its displacement
(in m) during the time interval?
m
(b)
What is the distance it travels (in m) during this
interval?
m
(c)
A second particle moves in one dimension, also with a constant
acceleration of 4.60 m/s2 ,...
1-The velocity of a particle is v = { 6 i + ( 28 - 2...
1-The velocity of a particle is v = { 6 i + (
28 - 2 t ) j } m/s, where t is in seconds. If r=0
when t=0, determine particle displacement during time interval t =
3 s to t = 8 s in the y direction.
2-A particle, originally at rest and located at point (1 ft, 4
ft, 5 ft), is subjected to an acceleration of a={ 3 t
i + 17 t2k} ft/s.
Determine magnitude...
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...
The position of a particle for t > 0 is given by →r (t) = (3.0t...
The position of a particle for t > 0 is given by →r (t) =
(3.0t 2 i ^ − 7.0t 3 j ^ − 5.0t −2 k ^ ) m. (a) What is the
velocity as a function of time? (b) What is the acceleration as a
function of time? (c) What is the particle’s velocity at t = 2.0 s?
(d) What is its speed at t = 1.0 s and t = 3.0 s? (e) What is...
A particle of mass m1 = 1.32 kg with an initial velocity v1 = 4.56 m/s...
A particle of mass m1 = 1.32 kg with an
initial velocity v1 = 4.56 m/s
has a completely inelastic collision with a second particle of mass
m2 = 3.68 kg with an initial velocity
v2 = 3.06 m/s. What is the
velocity of the combined particles immediately after the collision?
(Express your answer in vector form.)
A relativistic particle is moving with a velocity of (3.0x105 m/s) i + (4.0x106 m/s) j....
A relativistic particle is moving with a velocity of (3.0x105
m/s) i + (4.0x106 m/s) j. Another relativistic particle which is 4
times massive than the first particle is moving with velocity of
(3.0x105 m/s) i - (1.0x106 m/s) j. The particles collide and the
collision is perfectly inelastic.
a. What are the velocities of the particles just after the
collision?
b. What percent of energy is lost just after the collision?
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.
The acceleration of a particle that moves linearly is given as ? = - (0.1 +...
The acceleration of a particle that moves linearly is given as ?
= - (0.1 + sin (? / 0.75)). The unit of acceleration is m / s2 and
the unit of s is m. In t seconds, when s = 0, b and v = 0.98 values
are as in the table. Calculate the velocity of the particle when
(i) s = -1 m, (ii) the position of the particle when the velocity
is maximum (iii) the maximum velocity...
The position of a particle moving with constant acceleration is given by x(t) = 4t2 +...
The position of a particle moving with constant acceleration is
given by
x(t) = 4t2 + 3t +
4
where x is in meters and t is in seconds.
(a) Calculate the average velocity of this particle between
t = 2 seconds and t = 7 seconds.
(b) At what time during this interval is the average velocity equal
to the instantaneous velocity?
(c) How does this time compare to the average time for this
interval?
a. It is larger....
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 4 minutes ago
asked 20 minutes ago
asked 31 minutes ago
asked 43 minutes ago
asked 44 minutes ago
asked 47 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago
asked 2 hours ago
asked 2 hours ago