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3 years ago

10

Which device records digital signals? A. V C R tape. B. C D. C. phonograph record. D. audio cassette.

1 answer:

VARVARA [1.3K]3 years ago

5 0

Answer:

CD

Explanation:

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View this and help out??

Zina [86]

I would say b as well. I’m sorry if it’s wrong

5 0

2 years ago

Determine the acceleration of a pendulum bob as it passes through an angle of 15 degrees to the right of the equilibrium point.

BigorU [14]

Answer:

Explanation:

Since energy is conserved:

2

mu

2

=

2

mv

2

+mgh

⇒u

2

=v

2

+2gh

⇒(3)

2

=v

2

+2(9.8)(0.5−0.5cos60)

⇒v=2m/s

7 0

3 years ago

What is an example of situational irony in the excerpt?

Murrr4er [49]

Which excerpt are you talking about?

6 0

2 years ago

Read 2 more answers

When non-metric units were used in the United Kingdom, a unit of mass called the pound-mass (lbm) was employed, where 1lbm=0.453

Drupady [299]

Answer:

a) 0.022%

b) 10014.32 lb

Explanation:

a) Percentage uncertainty would be

$0.0001\times \frac{100}{0.4539}=0.022%$

Percent uncertainty is 0.022%

b) For 1 kg uncertainty mass in kg would be

$\frac{1}{0.022}\times {100}=4545.5\ kg$

Mass in pounds would be

$\frac{4545.5}{0.4539}=10014.32\ lb$

Mass in pound-mass is 10014.32 lb

8 0

3 years ago

A drag racer starts from rest and accelerates at 10 m/s squared for the

nika2105 [10]

Answer:

54 $\frac{m}{s}$

Explanation:

$v=u+at$

where $u=$ initial velocity

$v=0+(10\frac{m}{s^{2} } )$ × $(5.4s)$

$v=54\frac{m}{s}$

6 0

2 years ago