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san4es73 [151]
3 years ago
8

Maria drove to the store and then to work . What is marias total displacement during her trip

Physics
1 answer:
antoniya [11.8K]3 years ago
3 0

Explanation:

Displacement is the shortest distance between two points. Displacement is used to calculate vector quantities such a velocity, force, acceleration, etc.

Here, Maria drove to the store and then to work this means that her total displacement will be the minimum distance between her initial point and her work place.

Hence, the minimum distance between her initial point and her work place is her total displacement.

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A jogger runs at an average speed of 5 m/s for 3 minutes, then finishes with an average speed of 4 m/s for 2 minutes. What is hi
Mrac [35]

Answer:

4.6 m/s

Explanation:

5 * 180 + 4 * 120 = 1380

1380 / (5 * 60) = 4.6

3 0
4 years ago
constant force F=5i+5j−1kF=5i+5j−1k is applied to an object that is moving along a straight line from the point (−5,−3,−4)(−5,−3
meriva

Answer:

W = 71J

Explanation:

Given force F = (5i+5j−1k)N

d = Δr

r1 = (−5,−3,−4)m

r2 = (2,5,0)m

Δr = r2 – r1 = (2-(-5), 5-(-3), 0-(-4))

Δr = (2+5, 5+3, 0+4) = (7i+ 8j +4k)m

W = F•d = (5i+5j−1k)•(7i+ 8j +4k)

W = 5×7 + 5×8 +-1×4 = 35 + 40 - 4

W = 71J

6 0
3 years ago
What is the difference between Laplace Transform and fourier Transform?
Rainbow [258]
The difference between laplace transform and fourier transform is :

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Fourier transform is used to breakup any varying signal into its sin and cosin components

hope this helps
6 0
4 years ago
Read 2 more answers
1 A truck covers a distance of 580km in 7 hours - Calculate<br>the velocity in km/hr​
Digiron [165]

Answer:

82.86

Explanation:

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3 0
3 years ago
A paintball is shot horizontally in the positive x direction at time t after the ball is shot it is 4 cm to the right and 4 cm b
Artist 52 [7]

<u>Answer:</u>

At time 2t the paint ball is at 8 cm to the right and 16 cm to the bottom

<u>Explanation:</u>

 We have equation of motion , s= ut+\frac{1}{2} at^2, s is the displacement, u is the initial velocity, a is the acceleration and t is the time.

Considering the horizontal motion of paint ball

    Distance traveled during time t = 4 cm

    Initial velocity = u m/s

   Acceleration = 0 m/s^2

So 4 = u*t+\frac{1}{2} *0*t^2\\ \\ u = \frac{4}{t}

Now at time 2t,

  S= u*2t+\frac{1}{2} *0*(2t)^2\\ \\=\frac{4}{t} *2t\\ \\ =8cm

  So horizontal distance traveled in time 2t = 8 cm to the right

Now considering the vertical motion of paint ball

  Distance traveled during time t = 4 cm

    Initial velocity = 0 m/s

   Acceleration = -g m/s^2

4=0*t-\frac{1}{2} *g*t^2\\ \\ t^2=\frac{-8}{g}

At time 2t,

     S=0*2t-\frac{1}{2} *g*(2t)^2\\ \\ =-\frac{1}{2} *g*4*\frac{-8}{g}\\ \\ =16 cm

 So vertical distance traveled in time 2t = 16 cm to the bottom

 

6 0
3 years ago
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