हिंदी

Can you suggest a real-life example about the motion of a body from the following velocity – time graph? - Physics

Advertisements
Advertisements

प्रश्न

Can you suggest a real-life example about the motion of a body from the following velocity – time graph?

एक पंक्ति में उत्तर

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.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Motion in One Dimension - Unit II Exercise 2 (B) Subjective Questions

APPEARS IN

गोयल ब्रदर्स प्रकाशन A New Approach to ICSE Physics Part 1 [English] Class 9
अध्याय 2 Motion in One Dimension
Unit II Exercise 2 (B) Subjective Questions | Q 6.4

संबंधित प्रश्न

Fill in the following blank with suitable word :

Velocity is the rate of change of……………………… It is measured in.............. .


A boy is sitting on a merry-go-round which is moving with a constant speed of 10 m s−1. This means that the boy is :


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 :


When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then retardation will be :


Which of the following could not be a unit of acceleration?


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.


When is the positive acceleration?


A stone thrown vertically upwards takes 3 s to attain maximum height. Calculate

  1. initial velocity of the stone
  2. maximum height attained by the stone. (Take g = 9.8 ms−2)

An electron moving with a velocity of 5 × 104 ms−1 enters into a uniform electric field and acquires a uniform acceleration of 104 ms–2 in the direction of its initial motion.

(i) Calculate the time in which the electron would acquire a velocity double of its initial velocity.

(ii) How much distance the electron would cover at this time?


Two stones are thrown vertically upwards simultaneously with their initial velocities u1 and u2 respectively. Prove that the heights reached by them would be in the ratio of `"u"_1^2 : "u"_2^2` (Assume upward acceleration is –g and downward acceleration to be +g)


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×