3 years ago

What is the chemical name for lime

Physics

1 answer:

Sergio039 [100]3 years ago

5 0

Calcium Oxide
CaO I think

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A 100 kg mass is pulled along a frictionless surface by a horizontal force F such that its acceleration is 8.0 m/s2. A 20 kg mas

nadya68 [22]

Answer:

a) 60 N

b) 860 N

Explanation:

Given that,

$m_1$ = 100 kg

$m_2$ = 20 kg

$a_{1}$ = 8.0 $\frac{m}{s^{2}}$

$a_{2}$ = 3.0 $\frac{m}{s^{2}}$

a) By Newton's Law,

∑ $F_{m_2,x} = f_k = m_{2} * a_{2}$

∑ $F_{m_2,y} = F_{N} - m_{2} * g = 0$

Hence,

$f_k = m_2 * a_2 = 20 * 3 = 60 N$

b) By Newton's Law

∑ $F_{m_1,x} = F = m_{1} * a_{1}$

Hence,

$F = m_{1} * a_{1} = 100 * 8 = 800 N$

Net force acting on 100 kg mass,

$F_{net} = F + f_k = 800 + 60 = 860 N$

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3 years ago

Considerable scientific work is currently under way to determine whether weak oscillating magnetic fields such as those found ne

slega [8]

Answer:

$\epsilon = 2.96 \times 10^{-11} \ V$

Explanation:

given,

magnetic field strength = 1.40 ✕ 10⁻³ T

frequency of oscillation = 60 Hz

diameter of RBC = 7.5 μm

EMF = ?

$\epsilon = NBA\omega$

$\epsilon = NB(\pi\ r^2)\ (2\pi f)$

$\epsilon = NB(\pi\ (\dfrac{d}{2})^2)\ (2\pi f)$

$\epsilon = (1)\ 1.4 \times 10^{-3}(\pi\ (\dfrac{7.5 \times 10^{-6}}{2})^2)\ (2\pi\times 60)$

$\epsilon = 2.96 \times 10^{-11} \ V$

maximum emf that can generate around the perimeter of the cell $\epsilon = 2.96 \times 10^{-11} \ V$

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3 years ago

According to the pH chart, which is the strongest base?

KengaRu [80]

Answer:

HCl, Option A.

Explanation:

Hcl is a strong acid, NaOH is a strong base, the saliva has a relatively neutral pH and blood is slightly acidic.

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3 years ago

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HURRY! ILL MARK YOU AS BRAINLIEST, RATE YOU A 5 AND THANK YOU! 50 POINTS!

nignag [31]

Answer:

The correct answer would be answer A

Explanation:

It has to be A because if the seeds are hetrozygous there is a chance that if u make a punnet square that u can get a smooth ressesive seed

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4 years ago

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How to add an answer

netineya [11]

You cannot add an answer if two people are already answering!

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3 years ago