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3 years ago

What vaciole-like strucyure break down and recycle cell parts

Physics

1 answer:

kap26 [50]3 years ago

6 0

<span>lysosomes should be the right answer to this question</span>

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An artillery shell is fired at an angle of 83.3 ◦ above the horizontal ground with an initial speed of 1600 m/s. the acceleratio

timurjin [86]

T = 2*V₀*sin (α) / g .

t = 2*1600*sin (83.3°) / 9.8 ≈ 2*1600*0.993 / 9.8 ≈ 324 sec or 5.3 min

5 0

3 years ago

Given: g = 9.8 m/s 2 . A small glass of water is placed on carousel inside a microwave oven, at a radius 6.5 cm from the center.

pashok25 [27]

Answer:

0.17 degrees

Explanation:

From the question we are given the following:

acceleration due to gravity = $9.8 \frac{m}{s^{2} }$

radius (r) = 6.5 cm = 0.065 m

time (s) = 9.3 s

angle = ?

we first have to calculate the distance the water moves, and this is the circumference of the microwave

circumference = 2 x π x r = 2 x π x 0.065 = 0.408 m

Now we find the speed with which it moves at

speed = $\frac{distance}{time}$

= $\frac{o.408}{9.3}$ = 0.044

The next step is to find the centripetal acceleration

a = $\frac{v^{2} }{r}$

= $\frac{0.044^{2} }{0.065}$ = 0.03

being a vector quantity, acceleration has direction, the centripetal acceleration is the x component while the y component would be the acceleration due to gravity (g)

A = 0.03 x + 9.8 y

to find the angle we can apply tan θ = $\frac{ 0.03 }{9.8$

θ = 0.17 degrees

7 0

2 years ago

The first impression you give is the most important what does it mean?

Neko [114]

Answer:

The reason why first impressions are so important is that they last well beyond that moment. This is thanks to something called the primacy effect, which means that when someone experiences something before other things in a sequence, they remember that first thing more.

3 0

3 years ago

A car is behind a truck going 25m/s on the highway. the car's driver looks for an opportunity to pass, guessing that his car can

Misha Larkins [42]

Velocity of cars = 25 m/s

Distance the car has to cover for passing truck = 40m

Distance of passing spot from the car coming from opposite direction = 400- 40 =360 m

Time available for the car to pass truck of 20 m length = Distance of passing spot from the car coming from opposite direction/relative velocity between cars

Time = 360/50 = 7.2 seconds

Suppose the truck is moving at the same speed of car.

Distance traveled by car compared to truck is given by the expression

S = ut + $\frac{1}{2} at^2$ , where S is the distance traveled, u is the initial velocity a is the acceleration and t is the ime taken.