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Author Question: A car needs to generate 75.0 hp in order to maintain a constant velocity of 27.3 m/s on a flat road. ... (Read 32 times)

dejastew

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on: Jul 29, 2018
A car needs to generate 75.0 hp in order to maintain a constant velocity of 27.3 m/s on a flat road. What is the magnitude of the total resistive force acting on the car (due to friction, air resistance, etc.)? (1 hp = 746 W)
 
  A) 2.05  103 N
  B) 2.75 N
  C) 1.03  103 N
  D) 2.87  103 N

Question 2

A batter hits a foul ball. The 0.14-kg baseball that was approaching him at 40 m/s leaves the bat at 30 m/s in a direction perpendicular to the line between the batter and the pitcher. What is the magnitude of the impulse delivered to the baseball?
 
  A) 1.4 N  s B) 3.5 N  s C) 5.6 N  s D) 9.8 N  s E) 7.0 N  s
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ktidd

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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dejastew

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Reply 2 on: Jul 29, 2018
:D TYSM

alvinum

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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