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3 years ago

10

A microcomputer that is smaller, lighter, and less powerful than a notebook, and that has a touch sensitive screen, is called a

_______.

1 answer:

yKpoI14uk [10]3 years ago

8 0

<span>A microcomputer that is smaller, lighter, and less powerful than a notebook, and that has a touch sensitive screen, is called a tablet. Tablets are used similarly to computers in the way that information can be stored, viewed and edited on them.</span>

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Which of the following is NOT NECESSARILY a property of an air mass?

lilavasa [31]

Answer:

a.

Explanation:

a

The property of air mass include

1) it must be large.

2) it must have relatively uniform properties.

3)it must travel as a recognizable entity.

It must have a warm front at its leading edge, is not necessarily a property of an air mass because Not all air masses have a warm front at their leading edge. There are five types of air masses and different types of the front can be developed.

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4 years ago

A car with mass mc = 1490 kg is traveling west through an intersection at a magnitude of velocity of vc = 9.5 m/s when a truck o

icang [17]

Answer:

v= - 4.507 i - 2.363 j

Explanation:

Given that

mc= 1490 kg

vc= 9.5 m/s ( - i)

mt= 1650 kg

vt = 6.4 m/s ( -j)

There is any external force so linear momentum will remain conserve.

Lets take final speed is v.

mc .vc + mt . vt = ( mc+mt) v

1490 x 9.5 ( - i) + 1650 x 6.4 ( -j) = ( 1490+1650) v

14,155 ( -i) + 10,560 ( - j) = 3140 v

v= - 4.507 i - 2.363 j

3 0

4 years ago

Why can’t kinetic emerger ever be greater than potential energy

melomori [17]

Answer:

Kinetic energy of an object can't be greater than potential energy.

Explanation:

This is due to the reason that some of the energy is lost in the form of friction, heat energy, light energy etc. For example, a ball bounces to a height h in its first bounce.

4 0

3 years ago

Read 2 more answers

Driving on asphalt roads entails very little rolling resistance, so most of the energy of the engine goes to overcoming air resi

trapecia [35]

Answer:

a) $F_p=882N$

b) $P=4410W$

c) $V_p'=24135$ , $n=15.2\%$

Explanation:

From the question we are told that:

Mass $M=1500kg$

Velocity $v=4.9m/s$

Coefficient of Rolling Friction $\mu=0.06$

a)

Generally the equation for The Propulsion Force is mathematically given by

$F_p=\mu*mg$

$F_p=0.06*1500*9.81$

$F_p=882N$

b)

Therefore Power Required at

$V_p=5.0m/s$

$P=F_p*V_p$

$P=882*5$

$P=4410W$

c)

$V_p' =15mpg$

$V_p'=15*\frac{1609}$

$V_p'=24135$

Generally the equation for Work-done is mathematically given by

$W=F_p*V_p'$

$W=882*15*1609$

$W=2.13*10^7$

Therefore

Efficiency

$n=\frac{W}{E}*100\%$

Since

Energy in one gallon of gas is

$E=1.4*10^8J$

Therefore

$n=\frac{2.1*10^7}{1.4*10^8}*100\%$

$n=15.2\%$

7 0

3 years ago

1. What is the speed of a rocket that travels 900 meters in 10.2 seconds?

gulaghasi [49]

Answer: 742.6m/s

Explanation:

Average speed = distance travelled / time taken.

12.12

9000

=742.6m/s

3 0

1 year ago

Read 2 more answers