A50 kg cheetah has 3,600 j of kinetic energy. what is its velocity? m/s

What type of nuclear decay causes the atomic number of an element to increase by 1?

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Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.