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ludmilkaskok [199]

2 years ago

6

What is Virtual Lab and what does people use it for and why they use it?

1 answer:

Dafna1 [17]2 years ago

7 0

The Virtual Laboratory is an interactive environment for creating and conducting simulated experiments: a playground for experimentation. It consists of domain-dependent simulation programs, experimental units called objects that encompass data files, tools that operate on these objects

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A person in a kayak starts paddling, and it accelerates from 0 to 0.680 m/s in a distance of 0.428 m. If the combined mass of th

d1i1m1o1n [39]

Answer:

Net force, F = 44.66 N

Explanation:

It is given by,

Initial velocity of the person, u = 0

Final velocity of the person, v = 0.68 m/s

Distance, s = 0.428 m

Combined mass of the person and the kayak, m = 82.7 kg

We need to find the net force acting on the kayak i.e.

F = ma...........(1)

Firstly, we will calculate the value of "a" from third equation of motion as :

$v^2-u^2=2as$

$a=\dfrac{v^2-u^2}{2s}$

$a=\dfrac{(0.68\ m/s)^2-0}{2\times 0.428\ m}$

$a=0.54\ m/s^2$

Put the value of a in equation (1) as :

$F=82.7\ kg\times 0.54\ m/s^2$

F = 44.66 N

So, the net force acting on the kayak is 44.66 N. Hence, this is the required solution.

6 0

2 years ago

The energy that generates wind comes from what source?

mamaluj [8]

The energy that generates wind on an individual basis originates with
one's habitual diet. On a world-wide basis, it comes from the sun.

6 0

2 years ago

Our eyes are typically 6 cm apart. Suppose you are somewhat unique, and yours are 7.50 cm apart. You see an object jump from sid

Strike441 [17]

Answer:

Distance of the object from eye is approx 4.52 m

Explanation:

As we know that the object subtend a small angle on both the eyes which is given as

$\theta = 0.995 degree$

now we know that the distance between two eyes is given as

d = 7.50 cm

so we have

$angle = \frac{arc}{Radius}$

so here the radius is same as the distance from eye while arc is the distance between two eyes

so we have

$0.95 \frac{\pi}{180} = \frac{7.50}{R}$

$R = 452 cm$

7 0

3 years ago

When did diesel locomotives replace steam locomotives?

liubo4ka [24]

To keep the energy going every day

7 0

3 years ago

What type of friction occurs when you are trying to move an object, but the object isnt moving?

Tasya [4]

the answer is static friction

7 0

3 years ago