4 years ago

Scientific notation is a method of expressing very small and very large numbers * yes No

Physics

1 answer:

mars1129 [50]4 years ago

4 0

The answer is yes:)
Scientific notation is the expression of a number in the form of x * 10^x

You might be interested in

Water flows at 0.65 m/s through a 3.0 cm diameter hose that terminates in a 0.3 cm diameter nozzle. (Recall, the density of wate

xeze [42]

Answer:

v2 = 65 m/s

the speed of the water leaving the nozzle is 65 m/s

Explanation:

Given;

Water flows at 0.65 m/s through a 3.0 cm diameter hose that terminates in a 0.3 cm diameter nozzle

Initial speed v1 = 0.65 m/s

diameter d1 = 3.0 cm

diameter (nozzle) d2 = 0.3 cm

The volumetric flow rates in both the hose and the nozzle are the same.

V1 = V2 ........1

Volumetric flow rate V = cross sectional area × speed of flow

V = Av

Area = (πd^2)/4

V = v(πd^2)/4 ....2

Substituting equation 2 to 1;

v1(πd1^2)/4 = v2(πd2^2)/4

v1d1^2 = v2d2^2

v2 = (v1d1^2)/d2^2

Substituting the given values;

v2 = (0.65 × 3^2)/0.3^2

v2 = 65 m/s

the speed of the water leaving the nozzle is 65 m/s

6 0

4 years ago

Suppose a truck has a momentum of 40,120 kg • and a mass of 1,180 kg. what is the truck’s velocity?

klasskru [66]

The momentum of an object is the product between the mass m of the object and its velocity:
$p=mv$
The truck in our problem has momentum equal to
$p=40120 kg m/s$
and a mass of
$m=1180 kg$
so, if we re-arrange the previous formula, we can use these data to find the velocity of the truck:
$v= \frac{p}{m}= \frac{40120 kg m/s}{1180 kg}=34 m/s$

5 0

3 years ago

Read 2 more answers

Displacement vectors of 4 km north, 2 km south, 5 km north, and 5 km south combine total displacement of

Vladimir79 [104]

B. 2 Km North, displacement is basically how far form the original place

6 0

3 years ago

Read 2 more answers

Batteries and food contain potential chemical energy. What type of energy do compressed springs and stretched rubber bands store

Musya8 [376]

Things that stretch or compress store elastic potential energy