   Chapter 6, Problem 1P

Chapter
Section
Textbook Problem

Calculate the magnitude of the linear momentum for the following cases: (a) a proton with mass equal to 1.67 × 10−27 kg, moving with a speed of 5.00 × 106 m/s; (b) a 15.0-g bullet moving with a speed of 300 m/s; (c) a 75.0-kg sprinter running with a speed of 10.0 m/s; (d) the Earth (mass = 5.98 × 1024 kg) moving with an orbital speed equal to 2.98 × 104 m/s.

(a)

To determine
The magnitude of the linear momentum for proton.

Explanation

Given info: mass of the proton mp is 1.67×1027kg , and speed of the proton vp is 5.00×106m/s .

Formula to calculate magnitude of the linear momentum for proton is ,

Pp=mpvp

• Pp is the linear momentum for proton,
• mp is the mass of the proton,
• vp is the speed of the proton,

Substitute, 5.00×106m/s for vp and 1

(b)

To determine
The magnitude of the linear momentum for bullet.

(c)

To determine
The magnitude of the linear momentum of the sprinter.

(d)

To determine
The magnitude of the linear momentum of the Earth.

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