Question

Question 27
If Mrs. Hankinson slides a 500 g book with 0.5 N of force, what is the acceleration of the book?

F = ma

a
500 m/s2

b
250 m/s2

c
1000 m/s2

d
0.001 m/s2
Question 28
The mass number of an element is equal to:

a
the number of protons and neutrons
b
the number of electrons
c
the number of protons and electrons
d
the number of protons
Question 29
Match the Gas Law to its relationship.

Column A
1.
Gay-Lussac's Law:
Gay-Lussac's Law
2.
Charles' Law:
Charles' Law
3.
Boyle's Law:
Boyle's Law
Column B
a.If the temperature of a gas increases, then the pressure increases.
b.If the volume of a gas increases, then the pressure of the gas decreases.
c.If the temperature of a gas increases, then the volume of the gas increases.


Question 30
given the following nuclear reaction:

224/88 Ra 4/2 He + A/Z X

Column A
1.
What is the atomic mass of the new atom?:
What is the atomic mass of the new atom?
2.
What is the atomic number of the new atom?:
What is the atomic number of the new atom?
3.
What is the symbol of the new atom?:
What is the symbol of the new atom?
4.
What type of decay is demonstrated here?:
What type of decay is demonstrated here?
Column B
Column B
a.Gamma Decay
b.224
c.Ra
d.Rn
e.220
f.88
g.Alpha Decay
h.Beta Decay
i.90
j.86
k.84
l.Th
m.228

Answer 1

Here are the answers to your questions:

**Question 27:**
To find the acceleration (a) of the book, we can use Newton's second law formula \( F = ma \), where \( F \) is the force and \( m \) is the mass of the object.

Given:
- Force \( F = 0.5 \, \text{N} \)
- Mass \( m = 500 \, \text{g} = 0.5 \, \text{kg} \) (since 1000 g = 1 kg)

We can rearrange the formula to find acceleration:
\[
a = \frac{F}{m} = \frac{0.5 \, \text{N}}{0.5 \, \text{kg}} = 1 \, \text{m/s}^2
\]

None of the options listed seem to match this result, as the expected answer is not provided. But if we had to select based on typical physics problems, I'd suggest a revision is needed on the options given.

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**Question 28:**
The mass number of an element is equal to:

**a**: the number of protons and neutrons.

---

**Question 29:**
Match the Gas Law to its relationship:

1. Gay-Lussac's Law: **a**. If the temperature of a gas increases, then the pressure increases.
2. Charles' Law: **c**. If the temperature of a gas increases, then the volume of the gas increases.
3. Boyle's Law: **b**. If the volume of a gas increases, then the pressure of the gas decreases.

---

**Question 30:**
Given the nuclear reaction:

\[
\frac{224}{88} \text{Ra} \rightarrow \frac{4}{2} \text{He} + \frac{A}{Z} \text{X}
\]

1. **What is the atomic mass of the new atom?**: **e. 220**
2. **What is the atomic number of the new atom?**: **i. 86**
3. **What is the symbol of the new atom?**: **d. Rn** (Radon)
4. **What type of decay is demonstrated here?**: **g. Alpha Decay**

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If you have any more questions or need further assistance, feel free to ask!