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Author Question: Cubical blocks of mass m and side l are piled up in a vertical column. The total gravitational ... (Read 48 times)

formula1

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on: Aug 1, 2020

Question 1

At what rate is the gravitational force on a 2.0-kg projectile doing work at an instant when the velocity of the projectile is 4.0 m/s directed 30° above the horizontal?

◦
+39 W

◦
−78 W

◦
−39 W

◦
+78 W

◦
+25 W


Question 2

Cubical blocks of mass m and side l are piled up in a vertical column. The total gravitational potential energy of a column of three blocks is

◦
mgl.

◦
3mgl.

◦
mgl.

◦
6mgl.

◦
9mgl.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by formula1 on Aug 1, 2020

lorealeza

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Reply #1 on: Aug 1, 2020
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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formula1

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Reply 2 on: Aug 1, 2020
Wow, this really help

JCABRERA33

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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