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Q 1/50
Score 0
If a boat travels 45 kilometers in 3 hours, what is its speed in kilometers per hour?
30
30 kilometers per hour
10 kilometers per hour
20 kilometers per hour
15 kilometers per hour
Q 2/50
Score 0
What is the acceleration of an object moving with a constant velocity?
30
10 m/s^2
5 m/s^2
9.8 m/s^2
0 m/s^2
50 questions
Q.
If a boat travels 45 kilometers in 3 hours, what is its speed in kilometers per hour?
1
30 sec
Q.
What is the acceleration of an object moving with a constant velocity?
2
30 sec
Q.
If a car increases its velocity from 0 to 20 m/s in 5 seconds, what is its acceleration?
3
30 sec
Q.
What does Newton’s second law of motion state about the relationship between force, mass, and acceleration?
4
30 sec
Q.
An object of mass 5 kg is subjected to a constant force of 20 N. What is the resulting acceleration of the object?
5
30 sec
Q.
How does Newton's third law of motion apply to a person walking on the ground?
6
30 sec
Q.
How does the number of supporting ropes in a pulley system affect its mechanical advantage?
7
30 sec
Q.
What is mechanical advantage?
8
30 sec
Q.
What type of simple machine is a wheelbarrow considered to be?
9
30 sec
Q.
What type of simple machine is a ramp typically classified as?
10
30 sec
Q.
What is the process by which thermal energy is transferred through direct contact between particles of a substance?
11
30 sec
Q.
What is the unit of measurement for thermal energy?
12
30 sec
Q.
What type of energy transformation occurs when a light bulb is turned on?
13
30 sec
Q.
During photosynthesis, what type of energy transformation occurs?
14
30 sec
Q.
Which of the following is an example of potential kinetic energy?
15
30 sec
Q.
Which of the following situations is an example of potential kinetic energy being converted into kinetic energy?
16
30 sec
Q.
What is the term used to describe the release of energy from the combination of two light nuclei to form a heavier nucleus?
17
30 sec
Q.
Which type of radiation is commonly emitted during nuclear decay?
18
30 sec
Q.
What is the name of the process that occurs when the nucleus of an atom splits into two smaller nuclei?
19
30 sec
Q.
In electrical circuits, what does the term 'Ohm's Law' describe?
20
30 sec
Q.
What is the main difference between alternating current (AC) and direct current (DC) in terms of electrical energy flow?
21
30 sec
Q.
What is the term used to describe the flow of electrical charge through a conductor?
22
30 sec
Q.
Which type of wave is characterized by oscillations perpendicular to the direction of wave propagation?
23
30 sec
Q.
How are electromagnetic waves different from mechanical waves?
24
30 sec
Q.
What is the relationship between the frequency and wavelength of a wave?
25
30 sec
Q.
Which of the following waves require a medium to travel through?
26
30 sec
Q.
What is the atomic number of an element?
27
30 sec
Q.
What is the term used to describe atoms of the same element with a different number of neutrons?
28
30 sec
Q.
What is the region where an electron is most likely to be found in an atom?
29
30 sec
Q.
Which subatomic particle is responsible for the stability of the nucleus in an atom?
30
30 sec
Q.
Which of the following statements about isotopes is true?
31
30 sec
Q.
Which isotope is commonly used in nuclear power plants as a fuel source?
32
30 sec
Q.
Which of the following is a positively charged ion?
33
30 sec
Q.
What type of ion is formed when an atom gains electrons?
34
30 sec
Q.
Which of the following ions has a +2 charge?
35
30 sec
Q.
What is the name given to the horizontal rows on the periodic table?
36
30 sec
Q.
Which element is located at the top of Group 1 in the periodic table?
37
30 sec
Q.
Which element is found at the end of period 2 in the periodic table?
38
30 sec
Q.
Which element is a metalloid located in Group 14 of the periodic table?
39
30 sec
Q.
Which of the following represents the formula for calculating gravitational potential energy?
40
30 sec
Q.
Which of the following statements best describes the concept of work in physics?
41
30 sec
Q.
In an atom, where are electrons located in relation to the nucleus?
42
30 sec
Q.
How many energy shells can the first electron shell accommodate?
43
30 sec
Q.
What is the maximum number of electrons that can occupy the third energy shell?
44
30 sec
Q.
Which scientist proposed the concept of energy levels or shells in an atom?
45
30 sec
Q.
What is the maximum number of electrons that can be accommodated in the second energy shell?
46
30 sec
Q.
What is the term used to describe an atom that has gained or lost electrons, resulting in a net electric charge?
47
30 sec
Q.
What is the term used to describe the process where waves spread out as they encounter an obstacle or pass through a narrow opening?
48
30 sec
Q.
When two waves interfere in such a way that the resulting wave has an amplitude equal to the sum of the amplitudes of the original waves, what type of interference is occurring?
49
30 sec
Q.
In which type of interference do two waves combine to create a wave with a smaller amplitude than either of the original waves?
