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Daniel [21]
2 years ago
13

A boat has a velocity of 5m/s North with respect to a river. It aims to reach point A, directly north across the river, which is

40 m wide. However, because of the river speed it reaches another point
b. If the speed of the current is 2m/s to the east, calculate the time of the trip and the distance between points A and
b.
Physics
1 answer:
Juli2301 [7.4K]2 years ago
6 0
What are the answer

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Sergeu [11.5K]
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Electromagnetic radiation consists of particles called:
Westkost [7]

Photons are particles of electromagnetic radiation.

8 0
3 years ago
A ball of mass m on a string of length L is attached to a pivot. The ball is released from rest while the string is parallel to
mash [69]

Answer:

L/2

Explanation:

Neglect any air or other resistant, for the ball can wrap its string around the bar, it must rotate a full circle around the bar. This means the ball should be able to swing to the top position where it's directly above the bar. By the law of energy conservation, this happens when the ball is at the same level as where it's previously released vertically. It means the swinging radius around the bar must be at least half of the string length.

So the distance d between the bar and the pivot should be at least L/2

8 0
3 years ago
50 points please help ASAP! !
Contact [7]

Answer:

The sum of the initial and final velocity is divided by 2 to find the average. The average velocity calculator uses the formula that shows the average velocity (v) equals the sum of the final velocity (v) and the initial velocity (u), divided by 2.

4 0
2 years ago
Mike is a runner. Mike runs 200m in 25s; what is his average velocity during the run? assume that units are in m/s. (asap, will
maw [93]
Velocity is displacement/time
(Displacement is the overall change in distance)

So you’ll want to divide 200 by 25, which should give you:

8 m/s

5 0
3 years ago
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