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Grade 10 Physical Science Questions asked by Filo students

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Unemployment Rate, 2005-201s T. In which year was the unemployment rate the lowest? A 2005 B 2007 C 2009 D 2014 8. Based on this graph, which statement about the U.S. economy is true A Growth happened between 2014 and 2015 about as quickly as it between 2007 and 2008 B The overall economy boomed in 2010 and 2011. C Problems led the economy to shrink between 2007 and 2010. D Economic growth was slow to restart after a sharp recession in 2 See page 171 for answers and help.

Topic:

Introduction to Physical Science

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Views: 5,508

Which of the following was true of the Nort before the Civil War, according to the grapl

It had more slaves than the South.
It covered less territory than the South
It had a more experienced governmen
It had greater resources and labor forces than the South.

Topic:

Introduction to Physical Science

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Views: 5,857

Which of the following problems faced by the South during the Civil War can be concluded from information shown in the graph?

Part of Virginia split off and became West Virginia, joining the North.
Because of their opposition to slavery, European countries tended to favor the North.
The South had to spend money it desperately needed buying manufactured products from Europe.
Southern slaves, aspiring to freedom, sympathized with and even aided the North.
The North maintained control of the Navy.

Topic:

Introduction to Physical Science

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Views: 5,108

A hockey puck with a mass of

0.16 kg

travels at a velocity of 40

m / s

toward a goalkeeper. The goalkeeper has a mass of

120 kg

and is at rest. Assuming a closed system, find the total momentum of the goalkeeper and puck after the puck is caught by the goalkeeper. In 3-4 sentences, identify the object with the greater momentum after the puck is caught and explain your reasoning. (4 points)

Topic:

Newton's Laws of Motion

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Views: 5,485

The context surrounding W.E.B. DuBois' "Talented Tenth" essay in the book, "The Negro

. Wost of his writings focus on the advancement of Black people and DuBols wrote soveral books and treatment to that of Whites. One such book from 1903, "The Negro Probicm. " caling for alvil nights and the "Talented Tenth," which explained the approach he felt should be taken to achiove these goals. These books were obviously available to the public, bu
1. Compare / Contrast the messages of Booker T Washington and WEB DuBois, using evident
2. Why do you think they had such different messages?
3. Do you think that one was "right" and the other "wrong"? Explain.

Topic:

Newton's Laws of Motion

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C_{3} H_{8} + O_{2} \to CO_{2} + H_{2} O

Write the names of the formula units from given chemical equation.
Write the number of atoms of element presents in left hand side and right hand side of given chemical equation.
Why the given chemical equation has to be balanced ?
Write the balanced chemical equation for given chemical equation ?

Topic:

Introduction to Physical Science

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Views: 5,855

DATA TABLE H2: Independent Variable = LENGTH

MASS
: $1, 000$ grams
AMPLITUDE
: $45$ degrees

Topic:

Waves

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Views: 5,360

A substance has a pH of 7 . Which of the following descriptions matches this

pH

It is slightly basic.
It is neutral.
It is very acidic.
It is very basic.

Topic:

Matter and Change

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Views: 5,765

Which of the following graphs represents zero acceleration? (A) (B) (C)

B

B

C

Topic:

Introduction to Physical Science

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Question 10

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The ball placed at the top of a table has the energy.

average potential
moderate potential
least potential
greatest potential

Topic:

Introduction to Physical Science

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Question 11

Views: 5,513

When the net forces are balanced, the acceleration is

equal to the forces
zero
two times more than the forces
$(x - 1)$ times more than the forces

Topic:

Introduction to Physical Science

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Question 12

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The SI unit of kinetic energy and potential energy is

$m / s^{2}$
$kg m$
joule
$N$

Topic:

Introduction to Energy

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Question 13

Views: 5,777

A refrigerator in a shop operates on average for 10 hours a day. The power rating of the fridge is

750 W

. Which of the following pair correctly represents the amount of electricity the fridge uses in two weeks in joules and kWh?

$378000000 J$ and $105 kWh$
$105 J$ and $378000000 kWh$
378 J and $105 kWh$
$10.5 J$ and $378000000 kWh$

Topic:

Introduction to Physical Science

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Question 14

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Potential energy is the energy possessed by an object

due to its position
due to its motion
due to its size
due to its acceleration

Topic:

Introduction to Physical Science

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Question 15

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Lia dropped a coin from a certain height above the ground. She measured and represented its displacements

x_{1}, x_{2}

x_{3}

in the first, second, and third seconds of its fall. What is the ratio of

x_{1}, x_{2}

x_{3}

$1 : 1 : 1$
$1 : 2 : 3$
$1 : 3 : 5$
$1 : 4 : 9$

Topic:

Introduction to Physical Science

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Question 16

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In the 2-wire control method of 2-way switching, when will the light bulb be lit? When both switches are in the same state When both switches are in the different state When the common terminal of switch 1 touches the pin 1 , and the common terminal of switch 2 touches the pin 2 When the common terminal of switch 1 touches the pin 2 , and the common terminal of switch 2 touches the pin 1 Complete Later

Topic:

Introduction to Physical Science

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Question 17

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Two asteroids with masses

5.34 \times 1 0^{3} kg

2.06 \times 1 0^{4} kg

are separated by a distance of

5, 000 m

. What is the gravitational force between the asteroids? Newton's law of gravitation is

F_{gravity} = \frac{G m _{1} m _{2}}{r ^{2}}

. The gravitational constant

G

6.67 \times 1 0^{- 11} N \cdot m^{2} / kg^{2}

$2.93 \times 1 0^{- 10} N$
$4.00 N$
$1.47 \times 1 0^{- 6} N$
$1.24 \times 1 0^{32} N$

Topic:

Forces

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Question 18

Views: 5,625

Why does the sky appear blue at daylight

Topic:

Visible Light

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Question 19

Views: 5,155

How do people know where to drill for a water well?

Topic:

Physical Science

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Question 20

Views: 5,931

Why is it better to only collect tree branches rather than cut down an entire tree?

Topic:

Physical Science

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