Which wave form oscillates both parallel and perpendicular to the direction of the wave motion? transverse waves, longitudinal w
aves, circular waves
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The period of a mechanical wave is 2 seconds. What is the frequency of the wave?
20 waves/second
5 waves/second
2 waves/second
0.5 waves/second
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The object distance for a convex lens is 15.0 cm, and the image distance is 5.0 cm. The height of the object is 9.0 cm. What is the height of the image?
3.0 cm
8.3 cm
27 cm
45 cm
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The period of a mechanical wave is 2 seconds. What is the frequency of the wave?
20 waves/second
5 waves/second
2 waves/second
0.5 waves/second
///////
The object distance for a convex lens is 15.0 cm, and the image distance is 5.0 cm. The height of the object is 9.0 cm. What is the height of the image?
3.0 cm
8.3 cm
27 cm
45 cm
1 answer:
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Answer:
Explanation:
Given:
Charge = <em>q</em>
Electric field strength =
weight of the droplet = <em>mg</em>
The charge is suspended motionless. This is because the electric force on the charge is balanced by the weight of the droplet.
electric force on charged droplet,
This is balanced by the weight,
Equating the two:
it can be said that the speed of the east wind is
v=0.3608m/s
From the question we are told
A small boat sailed <u>straight </u>north out of a harbor in <em>strong </em>east wind (blowing from west to east).
After sailing for 120 minutes, it ended up hitting a buoy 60^\circ60 ∘ to the north-east of the harbor. If the straight-line distance between the buoy and the harbor is 3 km,
- what is the speed of the east wind?.
Generally the equation for the distance is mathematically given as
BA=3000sin60
BA=2598.07m
Therefore
the speed of the east wind
v=0.3608
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