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CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) is a type of security measure known as challenge-response authentication.
If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this?
A bomb at rest explodes into two pieces of unequal masses. Which of the following is necessarily true about the motion of the fragments?
The blood sugar of an insect is:
According to Newton’s second law of motion, the acceleration of an object is directly proportional to the
Shadows are formed when a/an _______ object comes in the path of light.
A rocket with a lift-off mass 10,000 kg is blasted upwards with an initial acceleration of 5.0 m s–2. Calculate the initial thrust (force) ...
A current-carrying conductor placed in a magnetic field experiences a force because:
Study the following questions carefully and choose the right answer:
The main thinking part of the brain is the _______?
Which of the following is an example of symbiosis?
Which gas is responsible for the ozone layer's depletion?