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ipn [44]
4 years ago
11

The basic building block of life is _____.

Physics
1 answer:
Zina [86]4 years ago
4 0
The basic building block of life is knowledge
You might be interested in
Question 14 of 20
deff fn [24]

The answer is C. How close a measured quantity is to its actual value

The significant figures of a number are digits that carry meaning contributing to its measurement resolution. The basic concept of significant figures is often used in connection with rounding. Rounding to significant figures is a more general-purpose technique than rounding to n decimal places, since it handles numbers of different scales in a uniform way.

4 0
3 years ago
A 10 kilogram sled is pulled across a frictionless surface with a force of 50 newtons for a distance of 10 meters. The pull is a
Gala2k [10]

Answer:

The power will be "250 watt". A further explanation is given below.

Explanation:

The given values are:

Force,

F = 50 N

Displacement,

d = 20 m

Time,

t = 2.0 seconds

Whenever the block is pulled, the angle will be "0" i.e., Cos0° = 1

Now,

The work will be:

= Force\times displacement\times \Theta

On substituting the given values, we get

= 50\times 10\times Cos0^{\circ}

= 50\times 10\times 1

= 500 \ Newton

Now,

The Power will be:

= \frac{Work \ done}{time}

= \frac{500}{2.0}

= 250 \ watt

8 0
3 years ago
 A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has a head start of 3.8 m. The
Mars2501 [29]
In 6 secs, the dog covers-
S=vt
8.9*6 = 53.4 m.
In the same time, the cat covers, 53.4-3.8 = 49.6 m.
Thus, speed of the cat, v= s/t, 
= 49.6/6 = 8.267 m/s
7 0
4 years ago
The stones are launched from the top of a tall building. One stone is thrown in a direction 15.0 ∘ above the horizontal with a s
const2013 [10]

Answer:

Maximum horizontal distance covered by both the stones will be same because the speed at which both the stones are thrown is same.

However, stone that is thrown upward will spend more time in the air as compared to the stone that is thrown downward because of the projectile and vertical component of the velocity.

5 0
4 years ago
An airplane is flying at a constant speed in a positive direction. It slows down when it approaches the airport where it's going
olga nikolaevna [1]
(D) Negative acceleration (less and less speed)
7 0
4 years ago
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