Explain how technology and science are related

Answers

Answer 1

Answer:

When you're playing Angry Birds on your smart phone, you likely don't realize how important science is to what you're doing. As the birds catapult through the air, science is probably the last thing on your mind. Aside from the physics involved in sending feathered projectiles flying through the air, there's a far deeper connection between science and playing your favorite games. That's because all technology, from smart phones to medical scanners to cars, are intimately connected with science. Without science, they wouldn't exist.

Science is the study of the natural world by collecting data through a systematic process called the scientific method. And technology is where we apply science to create devices that can solve problems and do tasks. Technology is literally the application of science. So it really is impossible to separate the two. In this lesson, we're going to go into a little bit more detail about how science and technology are related, including some examples.

Answer 2

Answer:

Answer:( Related to the weather)

dressing for the forecast. seeing a flag blow. preparing for a hurricane. (Related to Technology) turning on the lights. riding in a car or bus. downloading a song.

Explanation:

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Consider the following statement: The magnitude of the buoyant force is equal to the weight of the amount of fluid that has the same total volume as the object. Under what circumstances is this statement true?

Answers

Buoyant force is equal to the weight of the total amount of liquid displaced by an object when submerged partially or completely in the fluid. This means that if an object that has a volume of 2m³ has 50% (1m³) of its volume submerged in water, the buoyant force will be equal to the weight of 1 m³ of water, this is about 1000kg.

With this in mind, the buoyant force will be equal to the weight of the amount of fluid that has the same total volume as the object when the object is completely submerged, this is to say, it has its total volume under the fluid.

What is the current when the resistance is 5 ohms and the voltage is 10 volts?A. 10 – 5 = 5 amps

B. 10 ÷ 5 = 2 amps

C. 10 × 5 = 50 amps

D. 10 + 5 = 15 amps

Answers

Ohm's Law states V = IR
So,
I = V/R
The answer is B. 10/5=2 amps

A toaster oven has a power rating of 1200W. If you cook a pizza in it for 1 hour at 450°F, how manyjoules of electrical energy are converted into heat by the toaster oven?

Answers

Answer;

= 4,320,000 joules

Explanation;

Power is the ratio of Work per unit time. When work is done in a given span of time, the ratio of work performed with respect to time is called Power.

Therefore;

Power = Work done/time

Power = 1200 Watts and t = 1 hour or 3600 seconds

Thus;

Work done = Power × time

= 1200 × 3600

= 4,320,000 joules or 4320 kJ

(d) You observe someone pulling a block of mass 41 kg across a low-friction surface. While they pull a distance of 4 m in the direction of motion, the speed of the block changes from 5 m/s to 7 m/s. Calculate the magnitude of the force exerted by the person on the block.

Answers

Answer:

The magnitude of the force is 124.23 N.

Explanation:

To known the magnitude of the force is necessary to find the acceleration, that can be done by means of the equations for a a Uniformly Accelerated Motion:

$v_(f) = v_(i) + at$ (1)

Where $v_(f)$ is the final velocity, $v_(i)$ is the initial velocity, a is the acceleration and t is the time.

$a = (v_(f)-v_(i))/(t)$ (2)

$d = v_(i)t + (1)/(2)at^(2)$ (3)

By replacing (2) in equation (3) it is gotten:

$d = v_(i)t + (1)/(2)((v_(f)-v_(i))/(t))t^(2)$

$d = v_(i)t + (1)/(2)(v_(f)-v_(i))t$

$d = v_(i)t + (1)/(2)v_(f)t-(1)/(2)v_(i)t$

Therefore, by subtracting the first and third term ( $v_(i)t-(1)/(2)v_(i)t$ ⇒ $(1)/(2)v_(i)t$ ) it is got:

$d = (1)/(2)v_(f)t + (1)/(2)v_(i)t$

Applying common factor for $(1)/(2)t$ :

$d = (1)/(2)(v_(f) + v_(i))t$ (4)

Equation (4) can be rewritten in terms of t:

$t = (2d)/((v_(f) + v_(i)))$

$t = ((2)(4m))/((7m/s + 5m/s))$

$t = (8m)/(12m/s)$

$t = 0.66s$

By knowing the time is possible to determine the acceleration by means of equation (2):

$a = (7m/s-5m/s)/(0.66s)$

$a = (2m/s)/(0.66s)$

$a = 3.03m/s^(2)$

The magnitude of the force exerted by the person on the block can be determine by means of Newton's second law:

$F = ma$ (5)

$F = (41Kg)(3.03m/s^(2))$

$F = 124.23 Kg.m/s^(2)$

$F = 124.23 N$

Hence, the magnitude of the force is 124.23 N.

A blender uses 1,500 joules of energy in 5 seconds. What is the power rating of the blender?

Answers

the answer is 300 watts

Answer:

The power rating of the blender is 300 W.

Explanation:

To find the power of an object, you need to divided the work by the time. Thus, we would divide the work, 1,500, by the time, 5 seconds. This gives you the answer, 300 W.

What is the pendulum length whose period is 2.0s ?

Answers

$Formula\ for\ period:\n\ T=2 \pi \sqrt{(L)/(g)}\n\ g-gravity=9,8 (m)/(s^2) ,\ L-pendulum \ length \n\n (T)/(2 \pi ) = \sqrt{ (L)/(g) }|square\n\n (T^2)/(2 \pi ) = (L)/(g) \n\n\ (T^2)/(2 \pi )*g=L\n\n L= (2^2)/(2*3,14 )*9,8= (39,2)/(6,28) =6,24m$ $T=2 \pi \sqrt{(L)/(g)} \n (T)/(2 \pi ) = \sqrt{ (L)/(g) }|square\n (T^2)/(2 \pi ) = (L)/(g) \n (T^2)/(2 \pi )*g=L\n L= (2^2)/(2*3,14 )*9,8= (39,2)/(6,28) =6,24m$

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