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VMariaS [17]
3 years ago
8

Mike rides his horse with a constant speed of 20 km/h. How far can he travel in 4 hours?

Physics
1 answer:
gizmo_the_mogwai [7]3 years ago
4 0

Answer:

Mike can travel 80 Km in 4 hours

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3 years ago
A window washer is standing on a scaffold supported by vertical ropes at each end. The scaffold weighs 200. N and is 3.00 m long
seropon [69]
<h2>Tension in ropes are 333.33 N and 566.67 N.</h2>

Explanation:

Refer the given figure showing the arrangement.

For having stability we have torque at A and B are zero.

        Sum of Torques at A = 0

        700 x 1 + 200 x 1.5 - Q x 3 = 0

                               3Q = 1000

                                  Q = 333.33 N

        Sum of Torques at B = 0

        200 x 1.5 + 700 x 2 - P x 3 = 0

                               3P = 1700

                                  P = 566.67 N  

Tension in ropes are 333.33 N and 566.67 N.

5 0
3 years ago
The velocity of a 150 kg cart changes from 6.0 m/s to 14.0 m/s. What is the magnitude of the impulse that acted on it?
tensa zangetsu [6.8K]
M = 150 kg.

Final velocity, v = 14 m/s

Initial Velocity, u = 6 m/s

Impulse = <span> m(v - u)</span>
 
             = 150*(14 - 6)
           
             =  150*8 = 1200 kgm/s  or 1200 Ns<span> </span>
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3 years ago
Explain how Law 1 applies to the image to the left.
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12

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3 0
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The y-axis of a position-time graph represents__________.
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Answer:position relative to the starting point

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