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Feliz [49]
2 years ago
5

A projectile is to be launched at an angle of 30° so that it falls beyond the pond of length 20 meters as shown in the figure.

Physics
1 answer:
marin [14]2 years ago
4 0

Answer: A

Explanation:

I want my points so yea

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The ______ length of a lens is the distance from the center of the lens to<br> its principal focus.
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What piece of equipment would a hospital most likely have as back up in case of a power failure?
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Alan starts from his home and walks 1.3 km east to the library. He walks an additional 0.68 km east to a music store. From there
zepelin [54]

Answer: final Displacement = 0 km, total distance covered =7 km

Explanation:

Given the following :

From home to library = 1.3 km East

Library to music store = 0.68km East

Music store to friend's house = 1.1km North

Friend's house to grocery store = 0.42 km North

Displacement is the net change in distance traveled.

Eastward distance :

To = (1.3 + 0.68)km = 1.98km East

Fro = (0.68 + 1.3)km = 1.98 km East

Δ distance = (1.98 - 1.98) = 0

Northward direction:

To = (1.1 + 0.42)km = 1.52km north

Fro = (0.42 + 1.1)km = 1.52km North

Δ distance = (1.98 - 1.98) = 0

Hence final Displacement = 0

Total distance covered = 2 × (1.3 + 0.68 + 1.1 + 0.42) = 2 × 3.5

= 7km

3 0
3 years ago
Which of the following would have the smallest gravitational attraction between the two masses?
expeople1 [14]

Answer: Distance= 100,000 km

   Mass= 15 million kg        Mass= 5 million kg

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