Advertisements
Advertisements
प्रश्न
Out of energy and acceleration, which one is a vector?
Advertisements
उत्तर
Acceleration is a vector quantity.
APPEARS IN
संबंधित प्रश्न
Give a scientific reason.
When an object falls freely to the ground, its acceleration is uniform.
Define the term acceleration due to gravity. State its average value.
A bullet initially moving with a velocity 20 m/s strikes a target and comes to rest after penetrating a distance 10 cm into the target. Calculate the retardation caused by the target.
A vehicle is accelerating on a straight road. Its velocity at any instant is 30 km/h. After 2 s, it is 33.6 km/h, and after further 2 s, it is 37.2 km/h. Find the acceleration of the vehicle in m s-2. Is the acceleration uniform?
When is the acceleration due to gravity negative?
What does a positive acceleration mean?
What happens to the stepwise increasing speed-time graph when the size of each step is made very small?
A car accelerates uniformly from a velocity of 18 km/h to 36 km/h in 15 min. What is its acceleration?
m/s2 is the unit of ______.
Assertion: A positive acceleration of a body can be associated with the slowing down of the body.
Reason: Acceleration is a vector.
