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What is the velocity of a ball thrown at 16 feet per second?
16 feet/second is the speed. To know the velocity, you would also need to specify the direction in which the object moves.
What is speed of object at 3 seconds given an acceleration of 16 feet per second squared for 3 seconds?
I assume the object starts from rest. The speed will be 16*3 which is 48m/s
Explain per second per second?
"Per second per second" is a measurement of acceleration. If an object (such as a car) is moving, its speed can be measured in terms of miles per hour, or feet per second (which work out to be a similar figure to miles per hour). If the car is accelerating, the acceleration can be measured in terms of additional speed (feet per second) that is acquired in a given second, therefore, feet per second per second. Get it?
What is Feet per second of a falling ice cube?
Neglecting the effect of air resistance, the speed of any falling object ... including ice cubes ... is always 32.2 feet per second greater than it was one second earlier.
What is the average speed of an object that moves 180 feet in 9 seconds?
20 feet per second. Divide the distance travelled by the time taken - so 180 / 9 = 20
