The acceleration of a body is 8.5 ms-2. What does this statement mean?

The acceleration of a body is 8.5 ms^-2. What does this statement mean?

एका वाक्यात उत्तर

If a body has acceleration of 8.5 ms^-2 then it means its velocity is increasing at a rate of 8.5 ms^-1 per second.

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पाठ 2: Motion in One Dimension - Exercise 2 [पृष्ठ ८०]

पाठ 2 Motion in One Dimension
Exercise 2 | Q 28 | पृष्ठ ८०

Give a scientific reason.

When an object falls freely to the ground, its acceleration is uniform.

A train moving with a velocity of 20 ms⁻¹ is brought to rest by applying brakes in 5 s. Calculate the retardation.

A cyclist driving at 36 kmh⁻¹ stops his motion in 2 s, by the application of brakes. Calculate

Define acceleration.

What does a positive acceleration mean?

A bus can accelerate with an acceleration of 1 m/s² . Find the minimum time for the bus to attain the speed of 100 km/s from 50 km /s.

What is meant by negative acceleration?

Acceleration is defined as the rate of change of ______.

Assertion: A positive acceleration of a body can be associated with the slowing down of the body.
Reason: Acceleration is a vector.