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lesantik [10]
4 years ago
11

A bat hits a 0.150 kg baseball for

Physics
1 answer:
lara31 [8.8K]4 years ago
3 0

Answer:

11.85 kg m/s

Explanation:

impulse = mass ( change in velocity )

              = mass ( final velocity - initial velocity )

               = 0.150 ( 32.0 - (-47.0))

                = 0.150 ( 32.0 +47.0)

                = 0.150 (79)

                = 11.85 kg m/s

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Q 19.23: A proton is initially moving at 3.0 x 105 m/s. It moves 3.5 m in the direction of a uniform electric field of magnitude
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Consider work-energy theorem;

W = ΔK.E

W =K.E_f - K.E_i

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W is work done in moving the proton = F x d  = (EQ) x d = EQd

K.E_f =EQd + \frac{1}{2}m_pv_p_i^2

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