Victory for the ACT Student Text 15e

414 • C AMBRIDGE P RACTICE T EST R EINFORCEMENT

Experiment 3 Š‡ •ƒ‡ „‘ƒ”† ƒ– –Š‡ •ƒ‡ ƒ‰Ž‡ ™ƒ• —•‡† ‹ –Š‡ –Š‹”† ‡š’‡”‹‡– ƒ• ‹ –Š‡ ’”‡˜‹‘—• –™‘Ǥ  –Š‹• ‡š’‡”‹‡–ǡ ƒ ͳͲͲǦ‰”ƒ „‘š ƒ†‡ ‘ˆ –Š‡ •ƒ‡ ƒ–‡”‹ƒŽ ƒ• –Š‡ „ƒŽŽ ƒ† –Š‡ •Ž‡† ™ƒ• —•‡†Ǥ Š‡ •ƒ‡ ”‡…‘”†‹‰ †‡˜‹…‡• ™‡”‡ —•‡†Ǥ Š‡ ”‡•—Ž–• ƒ”‡ ’”‡•‡–‡† ‹ ƒ„Ž‡ ͵Ǥ Table 3 Time Distance (ft) Instantaneous Velocity (ft/sec)

PASSAGE VI ……‡Ž‡”ƒ–‹‘ ‹• †‡ϐ‹‡† ƒ• –Š‡…Šƒ‰‡ ‹ –Š‡ ˜‡Ž‘…‹–› ‘ˆ ƒ ‘„Œ‡…– †‹˜‹†‡† „› –Š‡ Ž‡‰–Š ‘ˆ –‹‡ †—”‹‰ ™Š‹…Š –Šƒ–…Šƒ‰‡ –‘‘ ’Žƒ…‡Ǥ  –Š‡ ˆ‘ŽŽ‘™‹‰ •‡–• ‘ˆ ‡š’‡”‹‡–•ǡ ƒ •–—†‡– •–—†‹‡• –Š‡ ‘–‹‘ ‘ˆ „‘†‹‡• ‘ ƒ ‹…Ž‹‡† ’Žƒ‡Ǥ ‘” ƒŽŽ ‘ˆ –Š‡ ˆ‘ŽŽ‘™‹‰ ‡š’‡”‹‡–•ǡ –‹‡ ‹• ‡ƒ•—”‡† ‹ •‡…‘†•ǡ †‹•–ƒ…‡ ‹ ˆ‡‡–ǡ ƒ† ˜‡Ž‘…‹–› ‹ ˆ‡‡– ’‡” •‡…‘†Ǥ Š‡ †‹•–ƒ…‡ ȋ d Ȍ ƒ ‘„Œ‡…– –”ƒ˜‡Ž• ƒ– ƒ…‘•–ƒ– ƒ……‡Ž‡”ƒ–‹‘ ȋ a Ȍ ‹ –‹‡ ȋ t Ȍǡ ƒ••—‹‰ ‹– •–ƒ”–• ˆ”‘ ”‡•–ǡ ‹• ‰‹˜‡ „› –Š‡ ‡“—ƒ–‹‘ d at 2 1 2 Ǥ Experiment 1 •–—†‡– •‡– —’ ƒ •‘‘–Š ™‘‘†‡ „‘ƒ”† ƒ– ƒ ƒ‰Ž‡ ‘ˆ ͵Ͳι ˆ”‘ Š‘”‹œ‘–ƒŽǤ Š‡ „‘ƒ”† Šƒ† ƒ Ž‡‰–Š ‘ˆ ͳͲ ˆ‡‡–Ǥ •‹‰ ƒ •‡”‹‡• ‘ˆ ’Š‘–‘‰ƒ–‡•ǡ –Š‡ •–—†‡– ™ƒ• ƒ„Ž‡ –‘ †‡–‡”‹‡ –Š‡ ’‘•‹–‹‘ ƒ† ˜‡Ž‘…‹–› ‘ˆ ƒ ͳͲͲ ‰”ƒ •–‡‡Ž „ƒŽŽ –Šƒ– ™ƒ• ”‘ŽŽ‡† †‘™ –Š‡ ‹…Ž‹‡Ǥ Š‡ ”‡•—Ž–• ƒ”‡ ’”‡•‡–‡† ‹ ƒ„Ž‡ ͳ Ǥ Table 1 Time Distance (ft) Instantaneous Velocity (ft/sec) Experiment 2 Š‡ •ƒ‡ ͳͲǦˆ‘‘– ™‘‘†‡ „‘ƒ”† ™ƒ• —•‡† ƒ– ƒ ƒ‰Ž‡ ‘ˆ ͵Ͳι ˆ”‘ –Š‡ Š‘”‹œ‘–ƒŽǤ Š‡ ‘„Œ‡…– —•‡† –Š‹• –‹‡ ™ƒ• ƒ ͳͲͲǦ‰”ƒ •Ž‡† ƒ†‡ ‘ˆ –Š‡ •ƒ‡ ƒ–‡”‹ƒŽ ƒ• –Š‡ „ƒŽŽ ‹ š’‡”‹‡– ͳǤ Š‡ ’Š‘–‘‰ƒ–‡• ™‡”‡ —•‡† –‘ †‡–‡”‹‡ ‹–• ’‘•‹–‹‘ ƒ† ˜‡Ž‘…‹–› ƒ• ‹– •Ž‹† †‘™ –Š‡ ‹…Ž‹‡† ’Žƒ‡Ǥ Š‡ ”‡•—Ž–• ƒ”‡ ’”‡•‡–‡† ‹ ƒ„Ž‡ ʹǤ Table 2 Time Distance (ft) Instantaneous Velocity (ft/sec) 0 0 ͲǤͷ ͲǤͶͶ ͳǤͲ ͳǤ͹ͷ ͳǤͷ ͵ǤͻͶ ʹǤͲ ͹ǤͲͲ 0 ͳǤ͹ͷ ͵ǤͷͲ ͷǤʹͷ ͹ǤͲͲ

0 0 ͳǤͲ ͲǤ͵͵ ʹǤͲ ͳǤ͵ͳ ͵ǤͲ ʹǤͻ͹ ͶǤͲ ͷǤʹͺ ͷǤͲ ͺǤʹͷ

0 ͲǤ͸͸ ͳǤ͵ʹ ͳǤͻͺ ʹǤ͸Ͷ ͵Ǥ͵Ͳ

Experiment 4 Š‡ „‘ƒ”† ‹ –Š‡ ’”‡˜‹‘—• ‡š’‡”‹‡–• ™ƒ• …ƒ”‡ˆ—ŽŽ› ‘‹Ž‡† –‘ ”‡†—…‡ ˆ”‹…–‹‘Ǥ …‡ ƒ‰ƒ‹ǡ –Š‡ „‘ƒ”† ™ƒ• ’Žƒ…‡† ƒ– ƒ ƒ‰Ž‡ ‘ˆ ͵Ͳι ˆ”‘ Š‘”‹œ‘–ƒŽǤ ƒ…Š ‘ˆ –Š‡ ‘„Œ‡…–• ™ƒ• –Š‡ ƒŽŽ‘™‡† –‘ ‘˜‡ †‘™ –Š‡ ‹…Ž‹‡† ’Žƒ‡ǡ ƒ† –Š‡ –‹‡ ”‡“—‹”‡† ˆ‘” ‡ƒ…Š ‘„Œ‡…– –‘ ”‡ƒ…Š –Š‡ „‘––‘ ‘ˆ –Š‡ ’Žƒ‡ ™ƒ• ”‡…‘”†‡†Ǥ ‡•—Ž–• ƒ”‡ ’”‡•‡–‡† ‹ ƒ„Ž‡ ͶǤ Table 4 Object Time sled ʹǤͲʹ „ƒŽŽ ʹǤ͵ͻ „‘š ͷǤͲͲ 28. Š‹…Š ‘„Œ‡…– ‹ –Š‡ ϐ‹”•– –Š”‡‡ ‡š’‡”‹‡–• Šƒ• –Š‡ ‰”‡ƒ–‡•– ƒ……‡Ž‡”ƒ–‹‘ǫ Ǥ ƒŽŽ Ǥ Ž‡† Ǥ ‘š Ǥ Š‡ –Š”‡‡ ‘„Œ‡…–• Šƒ˜‡ ‡“—ƒŽ ƒ……‡Ž‡”ƒ–‹‘Ǥ 29. Š‡ ƒ……‡Ž‡”ƒ–‹‘ ‘ˆ –Š‡ „ƒŽŽ ”‡Žƒ–‹˜‡ –‘ –Šƒ– ‘ˆ –Š‡ •Ž‡† ‹• †—‡ –‘ –Š‡ „ƒŽŽǯ•ǣ Ǥ ”‘ŽŽ‹‰ ‘Ž›Ǥ Ǥ ˆ”‹…–‹‘ ‘Ž›Ǥ Ǥ ”‘ŽŽ‹‰ ƒ† ˆ”‹…–‹‘Ǥ Ǥ Šƒ˜‹‰ –Š‡ •ƒ‡ ƒ•• ƒ• –Š‡ •Ž‡† ƒ† –Š‡”‡ˆ‘”‡ Šƒ˜‹‰ –Š‡ •ƒ‡ ƒ……‡Ž‡”ƒ–‹‘Ǥ

0 0 ͲǤͷ ͳǤͳ͵ ͳǤͲ ʹǤͶͷ ͳǤͷ ͷǤͷͳ ʹǤͲ ͻǤͺͲ

0 ʹǤͶͷ ͶǤͻͲ ͹Ǥ͵ͷ ͻǤͺͲ

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