A rock is thrown horizontally off a 22 m high cliff. The rock strikes the ground at an angle of 38°. Ignoring air resistance, with what speed (in m/s) was the rock thrown from the cliff? Ⓒ 16.61 O 20.43 Ⓒ 13.29 031.34 Ⓒ 18.79 O26.58
A rock is thrown horizontally off a 22 m high cliff. The rock strikes the ground at an angle of 38°. Ignoring air resistance, with what speed (in m/s) was the rock thrown from the cliff? Ⓒ 16.61 O 20.43 Ⓒ 13.29 031.34 Ⓒ 18.79 O26.58
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Transcribed Image Text:A rock is thrown horizontally off a 22 m high cliff. The rock strikes the
ground at an angle of 38°. Ignoring air resistance, with what speed (in
m/s) was the rock thrown from the cliff?
16.61
20.43
13.29
31.34
18.79
26.58
A cannonball is fired from a cannon atop a fort 20.0 meters above sea
level at a ship that is 650 meters away. The cannon is angled at 25.0⁰
above the horizontal and fired at a velocity of 85.0 m/s. Ignoring air
friction and assuming that getting within 5 meters is a hit, does the
cannonball hit the ship? If not, by how much does it miss?
• No, it misses by 45.2 meters.
No, it misses by 132 meters.
Yes, it hits.
No, it misses by 77.3 meters.
No, it misses by 76.1 meters.
No, it misses by 53.7 meters.
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