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A rectangular field has a length of 20 m and width of 5 m. Another rectangular field has a length of 15 m and width of 10 m. Which field has a greater area?
20 m
5 m
15 m
10 m
15 m
Uniform motion is defined by motion at a constant speed where the object covers equal distances in equal intervals of time. By calculating the constant speed (v=timedistanceтАЛ) for the initial interval and applying it to the new time, we find the distance covered in 3┬аs.
Uniform motion is defined by motion at a constant speed where the object covers equal distances in equal intervals of time. By calculating the constant speed (v=timedistanceтАЛ) for the initial interval and applying it to the new time, we find the distance covered in 3┬аs.
If you are walking at a steady pace of 5 steps every second, it is guaranteed that after 3 seconds, you will have taken exactly 15 steps.
v=tdтАЛ тАФ formula for speed in uniform motion
d=v├Чt тАФ formula to calculate distance
The principle of constant velocity in uniform motion implies the ratio of distance to time is always constant. Given that Rambabu covers 25┬аm in 5┬аs, his speed is v=525тАЛ=5┬аm/s. To find the distance for 3┬аs, we use the formula d=v├Чt=5┬аm/s├Ч3┬аs=15┬аm.
Uniform motion implies a constant speed.
The distance-time graph for uniform motion is a straight line passing through the origin.
Speed is the scalar magnitude of velocity.
Predicting travel time for objects at constant speed
Calibrating time-dependent mechanical movements
The speed is constant at 5 m/s.
Option A (20 m) is incorrect as it would imply 4 seconds.
Option B (5 m) is incorrect as it would imply 1 second.
Option D (10 m) is incorrect as it would imply 2 seconds.
C is correct тАФ Since Rambabu is in uniform motion, his constant speed is 5┬аm/s, thus covering 15┬аm in 3┬аs.
In uniform motion problems, always calculate the rate (speed) first; it remains unchanged throughout the problem.
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