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3 years ago

An arrow with a mass of 0.015 kg is shot at 91 m/s and sinks 11 cm into a target.

Physics

1 answer:

vivado [14]3 years ago

6 0

I think the answer is going to be C

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Does anyone know what the answers are?

baherus [9]

Answer:

Option (C) is the answer

Explanation:

may be it is possible if that we stand so far

4 0

3 years ago

A Ferris wheel is turning at a constant speed. The riders are _________________ accelerating.

aivan3 [116]

Answer:

The riders are <u>radially</u> accelerating.

Explanation:

The Ferris wheel is making a circular motion. If it is moving with constant velocity, than the acceleration is

$a_{rad} = \frac{v^2}{R}$

towards the center of the wheel.

So, the riders are subject to a constant and radial acceleration, which is called the centripetal acceleration.

3 0

3 years ago

Froghopper insects have a typical mass of around 11.3 mg and can jump to a height of 58.8 cm. The takeoff velocity is achieved a

allochka39001 [22]

Answer:

2874.33 m/s²

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration

g = Acceleration due to gravity = 9.81 m/s²

$v^2-u^2=2as\\\Rightarrow a=\frac{v^2-u^2}{2s}\\\Rightarrow a=\frac{v^2-0^2}{2\times h}\\\Rightarrow v^2=2ah\ m/s$

Now H-h = 0.588 - 0.002 = 0.586 m

The final velocity will be the initial velocity

$v^2-u^2=2as\\\Rightarrow 0^2-u^2=2gs\\\Rightarrow -2ah=2\times g(H-h)\\\Rightarrow -2a0.002=2\times g0.586\\\Rightarrow a=-\frac{0.586\times -9.81}{0.002}\\\Rightarrow a=2874.33\ m/s^2$

Acceleration of the frog is 2874.33 m/s²

6 0

4 years ago

You observe a star system for many weeks. The light curve does not show significant changes in brightness, but a series of spect

mariarad [96]

Based on the changes in the light curve and the behavior of the series of spectra, this is a<u> binary system. </u>

<h3>How is this is binary system?</h3>

The characteristics described are those of a binary system with the specific type of system being the spectroscopic binary system.

This is because in a spectroscopic binary system, there won't be significant changes in brightness but as a result of stars orbiting towards and then away from us, spectral features will appear as alternative absorption lines.

In conclusion, this is a binary system.

Find out more on binary systems at brainly.com/question/15868824.

8 0

3 years ago

1. Which object has the greatest inertia?

Digiron [165]

Answer:

1.c,2.c,3.a,4.d

Explanation:

the following answer are listed with there number

7 0

4 years ago