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Airida [17]
3 years ago
9

louis Pasteur developed the germ theory of disease, which state that many diseases are caused by microorganismas. Had scientists

been skeptical but not open-minded about the idea, A it would not have been published in journals B it would have been accepted without evidence C it would not have scientific consensus Dit would have been reprodeced by othe scientists
Physics
1 answer:
Olegator [25]3 years ago
3 0
Sciencefndkdkdkckkfkkdfk
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What is the speed of a car that travels 48 km in 2 hours?
ankoles [38]
Speed=distance/time

distance =48km
time=2 hours

speed=48/2
=24km/h


speed=24km/h

FORMULAS

speed = distance/time
time = distance/speed
distance = speed×time

3 0
4 years ago
A jet transport has a weight of 2.25 x 106 N and is at rest on the runway. The two rear wheels are 16.0 m behind the front wheel
Rudik [331]

Answer:

Explanation:

Given that,

Weight of jet

W = 2.25 × 10^6 N

It is at rest on the run way.

Two rear wheels are 16m behind the front wheel

Center of gravity of plane 10.6m behind the front wheel

A. Normal force entered on the ground by front wheel.

Taking moment about the the about the real wheel.

Check attachment for better understanding

So,

Clock wise moment = anti-clockwise moment

W × 5.4 = N × 16

2.25 × 10^6 × 5.4 = 16•N

N = 2.25 × 10^6 × 5.4 / 16

N = 7.594 × 10^5 N

B. Normal force on each of the rear two wheels.

Using the second principle of equilibrium body.

Let the rear wheel normal be Nr and note, the are two real wheels, then, there will be two normal forces

ΣFy = 0

Nr + Nr + N — W = 0

2•Nr = W—N

2•Nr = 2.25 × 10^6 — 7.594 × 10^5

2•Nr = 1.491 × 10^6

Nr = 1.491 × 10^6 / 2

Nr = 7.453 × 10^5 N

6 0
4 years ago
When you throw a ball upward, its kinetic energy and its potential energy . When the ball reaches maximum height, its kinetic en
emmasim [6.3K]
It has zero kinetic energy, more potential energy
8 0
3 years ago
Read 2 more answers
If you see fire or smoke coming from your vehicle's hood, you should pull over and get away from the vehicle as soon as possible
hammer [34]

The given statement "If you see fire or smoke coming from your vehicle's hood, you should pull over and get away from the vehicle as soon as possible." is True.

What to do when there is smoking engine in your car?

You should take rapid action if the smoke seems to be coming from a fire under your bonnet.

  • shut off your vehicle
  • Don't try to prop the bonnet open; instead, pull the bonnet release lever.
  • Remove everyone from the vehicle and maintain your distance.
  • Ask for the fire service by dialing 999.
  • If it is safe to do so, warn oncoming traffic.

Learn more about the safety precaution with the help of the given link:

brainly.com/question/2347255

#SPJ4

8 0
2 years ago
A physics student throws a ball thrown horizontally from the top of a building with a speed of 8 m/s. The student measures the h
Alekssandra [29.7K]

Answer:

Following are the solution to the given question:

Explanation:

Please find the complete question in the attached file.

a_x = 0\\\\a_y = -g = -9.81\ \ \frac{m}{s^2} \\\\v_{iy} = 0 \\\\y = v_{iy} \times t+ \frac{1}{2ay} \times t^2 \\\\ 15 = \frac{1}{2} \times 9.8 \times t^2 \\\\t = \sqrt{(2 \times \frac{15}{9.8})} \\\\

  = 1.75 \ sec \\\\

Distance:

x = v_{ix} \times t \\\\

  = 8 \times 1.75\\\\= 14 m

4 0
3 years ago
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