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Bingel [31]
3 years ago
13

A bumblebee is flying to the right when a breeze causes the bee to slow down with a constant leftward acceleration of magnitude

0.50\,\dfrac{\text m}{\text s^2}0.50 s 2 m ​ 0, point, 50, start fraction, start text, m, end text, divided by, start text, s, end text, squared, end fraction. After 2.0\,\text{s}2.0s2, point, 0, start text, s, end text, the bee is moving to the right with a speed of 2.75\,\dfrac{\text m}{\text s}2.75 s m ​ 2, point, 75, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction. What was the velocity of the bumblebee right before the breeze?
Physics
1 answer:
lesya692 [45]3 years ago
7 0

Answer:

3.75 m/s

Explanation:

Given:

v = 2.75 m/s

a = -0.50 m/s²

t = 2.0 s

Find: v₀

v = at + v₀

2.75 m/s = (-0.50 m/s²) (2.0 s) + v₀

v₀ = 3.75 m/s

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During a wheelchair race, the angular motion of the athlete's arms and the wheels of the chair propel the athlete and chair alon
mezya [45]

Given what we know, the type of motion that best describes the trajectory of the athlete and chair along the track is linear motion.

<h3>What is linear motion?</h3>

Linear motion is a type of motion that describes the movement of objects in a straight line. Depending on the exact design of the track this can be subcategorized as rectilinear motion or curvilinear motion. The latter being the case if the track contains a curve.

Therefore, given the motion produced by the athlete and the wheelchair, we can describe it as linear motion, and subcategorize it depending on the exact description of the track.

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4 0
3 years ago
At t = 0, a battery is connected to a series arrangement of a resistor and an inductor. At what multiple of the inductive time c
Paraphin [41]

Answer:

0.2854

Explanation:

The Energy stored in coil is given by

U=\frac{1}{2}LI^{2}

U=0.565Uo

(\frac{1}{2} )L(i^{2} )=(0.565)(\frac{1}{2} )L(io^{2} )

(i^{2} )=(0.565)(io^{2} )

(ioe^{-t/T}  )^{2}=(0.565) (io)^{2}

(io)^{2}e^{-2t/T}=(0.565)(io)^{2}

e^{-2t/T}=0.565

Apply log: both sides we get

\frac{-2t}{T}=-0.5709

\frac{t}{T}=0.2854

5 0
4 years ago
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