5 and 6 Need Help? 11 6.P001 Calculate the magnitude of the linear momentum for

Question

5 and 6 Need Help? 11 6.P001 Calculate the magnitude of the linear momentum for the following cases (a) a proton with mass 1.67 x10-27 kg, moving with a speed of 4.90 x 106 m/s differs significantly from the correct answer. Rework your solution from the beginning and check ea (b) a 16.5-g bullet moving with a speed of 405 m/s kg m/s (c) a 80.0-kg sprinter running with a speed of 10.5 m/s kg m/s (d) the Earth (mass-5.98 x 1024 kg) moving with an orbital speed equal to 2.98 x 104 m/s. kg m/s Need Help? 7. +/-/10 points SerCP11 6.P002 A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at r of 55 g and leaves the head of the club with a speed of 2.9 × 102 ft/s, find the average force exerted on the ball by the club.

Explanation / Answer

formula for momentum is

P = mv

(a)

P = ( 1.67 * 10^-27) ( 4.9 * 10^6) = 8.183 * 10^-21 kg m/s

(b)

P = 16.5 * 10^-3 kg ( 405) = 6.6825 kg m/s

(c)

(c)

P = 80(10.5) = 840 kg m/s

(d)

P = (5.98 * 10^24) ( 2.98 * 10^4) = 17.82 * 10^28 kg m/s

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