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A 5 kg object is moving at a velocity of 2 m/s. Calculate its kinetic energy.

Work done = m × g × h = 50 kg × 9.8 m/s^2 × 2 m = 980 J

A machine lifts a 100 kg load to a height of 5 m in 10 seconds. If the machine requires an input energy of 5000 J, calculate its efficiency.

W = F × s = 50 N × 2 m = 100 J

Efficiency = (Work done / Energy input) × 100% = (980 J / 2000 J) × 100% = 49%

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(Switch Package Soft)Earth Def... jawapan buku teks fizik tingkatan 4 kssm aktiviti 13 work work 4527823998605 Released in October 2021

*Included bonus: The code flyer where you can download the Electro Paralyzer has ended. /The ambitious work "Earth Defense Force 3", which was a turning point in the Earth Defense Force series, is now available on Nintendo Switch! !
Product information Released in October 2021

*Included bonus: The code flyer where you can download the Electro Paralyzer has ended. /The ambitious work "Earth Defense Force 3", which was a turning point in the Earth Defense Force series, is now available on Nintendo Switch! ! HACPA2XEA Released in October 2021

◇◆Product introduction

◇◆The ambitious work “Earth Defense Force 3”, which was a turning point in the Earth Defense Force series, is now available on Nintendo Switch! ! "Earth Defense Force 3" first appeared as a launch title for Xbox 360 in 2006, and in 2012, a PSVita version compatible with online multiplayer was also released. As part of the Earth Defense Force series, the worldview has been completely renewed, and the battle between humanity and an unknown invader that visits the peaceful Earth for the first time has been redrawn, and not only has the visual quality been improved, but it has also been redesigned to depict a large number of members fighting against a large number of enemies. This was the first time that elements that would become the basis for subsequent series were introduced for the first time, such as team merging with NPC members. Please enjoy this ambitious work, which was a turning point for the EDF series, on Nintendo Switch.
●60 missions with 5 difficulty levels and new military classes! Contains 60 missions, including 53 missions included in the Xbox 360 version and 7 missions added in the Vita version. "Pale Wing", which appeared in the Vita version, also appears. You will participate if certain conditions are met. All 60 missions have 5 levels of difficulty, and can be played through communication cooperative play.
● Overwhelmingly huge feeling! Countless enemies! Giant ants and giant spiders fill the screen, and new enemies approach. This feeling of despair is unbearable. And get intoxicated by the exhilarating feeling of defeating huge enemies! The sense of accomplishment in cooperative play is also exceptional.
● There are as many tactics as there are weapons. Defeat the enemies and get strong weapons. The more difficult the mission, the more powerful weapons you can obtain. Contains over 400 types of weapons in total. All weapons can be used in both solo and cooperative play.
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◆ Product details ◆ Compatible models: Nintendo Switch Genre: 3D action/shooting CERO review: For ages 15 and over (C) 2021 SANDLOT (C)2021 D3 PUBLISHER *Included bonus: Electro Paralyzer can be downloaded Code flyer has ended. 116917
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