What is the total displacement of a dog that runs north 80 meters to chase a ball, returns to its master, and then runs south 20
2 answers:
Answer:
The total displacement of a dog is 100 m.
Explanation:
Given that,
A dog that runs north 80 meters to chase a ball, returns to its master, and then runs south 20 meters.
We can define the displacement as the distance between the initial position and final position of the object.
The displacement is defined as,
Put the value into the formula
Hence, The total displacement of a dog is 100 m.
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Answer:
The acceleration is in 2 D as in between east and south.
Explanation:
mass, m = 50 kg
acceleration, a = 0.25 m/s^2 horizontal
acceleration of elevator, a' = 1 m/s^2 downwards
When a person on the ground the resultant acceleration of the person with respect to the ground is between east and south direction so the path os parabolic in nature. It graph is shown below:
Answer:
P = 1333.33 N
Explanation:
The pressure exerted by the boy on the floor can be calculated by the following equation:
where,
P = Pressure exerted by the boy = ?
F = Force Applied = Weight of Boy = 40 kg = 40 N (since 1 kg = 1N)
A = Area of application of force = 2(Area of one show) = 2(6 cm x 25 cm)
A = 2(0.06 m x 0.25 m) = 0.03 m²
Therefore,
<u>P = 1333.33 N</u>