Question

1. The closeness of a measurement to the true value of the physical quantity is known as ____ of the measurement .

2. ____ is the closeness of the set of the measured values .

3. A man throws ball into the air one after other . Throwing one when other is at the highest point . How high the balls rise if he throws twice a second ?

4. A balloon is going upwards with velocity 12 m/sec . It release a packet when it is at a height 65 m from the ground. How much time the packet will take to reach the ground ?

5. A student goes from his house to his friend's house with speed v1 . Finding the door of his Returns back to his own house with the speed v2 Then the average speed of the student is ____

6. A stone is thrown with an initial speed of 4.9 m/s from a bridge in vertically upward direction. It falls down in water after 2 seconds. The height of the bridge is ____ ​

Answer 1

1. accuracy

2. accuracy

3. refer to the attachment

4. refer to the attachment

5. refer to the attachment

6. refer to the attachment

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