Advertisements
Advertisements
प्रश्न
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
Advertisements
उत्तर
When you come home at activa from the market and stops in front of your home. Then the velocity of active decreases with time and its v – t graph will be the same as shown on the figure.
APPEARS IN
संबंधित प्रश्न
When will you say a body is at non-uniform acceleration?
A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h−1 in 10 minutes. Find its acceleration.
Fill in the following blank with suitable word :
A motorcycle has a steady……………. of 3 m/s2. This means that every………………. its…………….. increases by………….
Derive the formula s= `ut+1/2at^2` , where the symbols have usual meanings.
A train starting from stationary position and moving with uniform acceleration attains a speed of 36 km per hour in 10 minutes. Find its acceleration.
A freely falling object travels 4.9 m in 1st second, 14.7 m in 2 nd second, 24.5 m in 3rd second, and so on. This data shows that the motion of a freely falling object is a case of :
Define velocity. State its unit.
Write three equations of uniformly accelerated motion relating the initial velocity (u), final velocity (v), time (t), acceleration (a) and displacement (S).
A body, initially at rest, starts moving with a constant acceleration 2 m s-2. Calculate: (i) the velocity acquired and (ii) the distance travelled in 5 s.
What do you understand by the term acceleration?
