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lana [24]
3 years ago
13

the ratio of kinetic energy to the potential energy of a certain object of mass m at a height of 40 m above ground level is 2:1.

What is the speed of the object at the point? Use g=10 m/s^2 A.)20 m/s B.)40 m/s C.)30 m/s D.) 10 m/s
Physics
1 answer:
lubasha [3.4K]3 years ago
6 0
I believe it is A)    2(1/2mv^2)=mgh   <===cross out masses
                           2(1/2V^2)=gh
                           
Solve for V
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