4 Answered Questions for the topic Motion Task
Motion Task Physics
03/08/17
the observation deck of a tall skyscraper is 370m above the ground. calculate the time required for the penny to free fall this distance.
the observation deck of a tall skyscraper is 370m above the ground. calculate the time required for the penny to free fall this distance.
Motion Task
05/05/14
A bus is traveling at 80feet per second. suddenly, the driver appies the brakes. The speed of the braking bus after t seconds is given by f=80-20t^2.
How long will it take the bus to come to a complete stop? I do not know how to write this out or iam missing something. the answer is 2 sec. but I can not get that. please help me see where I am...
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Motion Task
05/03/14
The distance of feet, from a fixed piont of an object moving in a straight line is given by p=-5t^2-15t+100, where t is the time in seconds. How much time is r
How much time is required for the object to travel 50 feet? I know the answer should be 2sec. but I am missing something. please help me understand how to get that. thank you
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Motion Task
05/03/14
A ball is thrown downward from the top of a cliff. The distance d, in feet, faLLaN BY THE BALL AFTER t seconds is molded by the equation d=16t^2+4t. How long .
How long will it take the ball to fall a distance of 420 feet? I am not sure how to write this out to solve. Think I am missing something. I know the answer is 5 Sec. but I cant make it work....
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