At a particular instant, a moving projectile has a kinetic energy of 258 J and a momentum of magnitude 28.6 kg · m/s. (a)What is the speed (in m/s) of the projectile at this instant? m/s (b)What is the mass (in kg) of the projectile at this instant? kg

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At a particular instant, a moving projectile
has a kinetic energy of 258 J and a
momentum of magnitude 28.6 kg · m/s.
(a)What is the speed (in m/s) of the
projectile at this instant?
m/s
(b)What is the mass (in kg) of the projectile
at this instant?
kg
Transcribed Image Text:At a particular instant, a moving projectile has a kinetic energy of 258 J and a momentum of magnitude 28.6 kg · m/s. (a)What is the speed (in m/s) of the projectile at this instant? m/s (b)What is the mass (in kg) of the projectile at this instant? kg
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