The cricket player which catches the ball wear globes. give reason
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When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

An object with a mass of 1.5 kg changes its velocity from + 15 m/s to +22 m/s during a time interval of 3.5 seconds. what impulse was delivered to the objects?