brianasilva1212
brianasilva1212 brianasilva1212
  • 25-01-2021
  • Mathematics
contestada

a student throws a baseball with a speed of 8m/s and a kenetic energy of 25J.what is the mass of the baseball

Respuesta :

omotayoadekoya1 omotayoadekoya1
  • 30-01-2021

Answer:

25/32 kg

Step-by-step explanation:

The kinetic energy K of a body in motion measured in joules is given as

K = 1/2 mV^2

Where n is the mass in kg and V is the speed in m/s

Hence given that K is 25J and speed V is 8 m/s,

25 =1/2 * m * 8^2

25 = m *32

Divide both sides by 32

m = 25/32 kg

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