displacement of the plane is given as
time taken by the plane
now the velocity is given as
so the velocity of airplane is 399 mi/h towards South West
1. Explain how a boulder at rest on the ground can actually be moving at the same time.
1 answer:
Answer:
I don't know about the 1st one but An object at rest stays at rest and an object in motion stays in motion at a constant speed and direction unless acted upon by an unbalanced force. Or maybe its moving because the earth is moving and gravity is pulling it with.
2. Speed is the rate at which something or someone is able to move. Instantaneous Speed - the speed at any given instant in time. Average Speed - the average of all instantaneous speeds; found simply by a distance/time ratio.
3. Speed = distance divided by time or . Some units for speed can be miles, kilometres, feet, or metres.
4. Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object's movement. Put another way, speed is a scalar value, while velocity is a vector.
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Answer:
42 minutes
Explanation:
First, let us find out the time required by the roommate, who is driving the truck, to reach the city.
We know that,
Now, you are planning to rest a bit after traveling for an hour. So,
distance covered in that 1 hour =
time required by you to cover the total distance =
If you wish reach at the destination half an hour (0.5 h) before your roommate, you can expend a total of throughout your journey.
Hence, you can rest for