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Q 1/50
Score 0
What is momentum?
30
The force acting on an object.
The product of an object's mass and velocity.
The energy stored in an object.
The distance traveled by an object.
The time it takes for an object to change its velocity.
Q 2/50
Score 0
Which of the following has the greatest momentum?
30
A bicycle moving at 10 miles per hour.
A car moving at 50 miles per hour.
A person walking at 2 miles per hour.
A scooter moving at 5 miles per hour.
A train moving at 30 miles per hour.
50 questions
Q.
What is momentum?
1
30 sec
Q.
Which of the following has the greatest momentum?
2
30 sec
Q.
Which of the following statements about momentum is true?
3
30 sec
Q.
A ball with a mass of 0.5 kg is moving with a velocity of 10 m/s. What is its momentum?
4
30 sec
Q.
Two objects with different masses are moving with the same velocity. Which object has more momentum?
5
30 sec
Q.
Which of the following options correctly describes the law of conservation of momentum?
6
30 sec
Q.
A body with a mass of 2 kg is moving with a velocity of 4 m/s. What is its momentum?
7
30 sec
Q.
What is the acceleration of an object in freefall?
8
30 sec
Q.
What is freefall?
9
30 sec
Q.
What is the height of an object dropped from a tower, after 3 seconds of freefall?
10
30 sec
Q.
Which unit is commonly used to measure time?
11
30 sec
Q.
What is the equivalent of 50 degrees Celsius in Fahrenheit?
12
30 sec
Q.
What is 4000 meters in kilometers?
13
30 sec
Q.
What is the equivalent of 5.6 kilometers in meters?
14
30 sec
Q.
What is the difference between accuracy and precision?
15
30 sec
Q.
Which statement best describes accuracy in measurement?
16
30 sec
Q.
What is precision in measurement?
17
30 sec
Q.
A student measures the length of an object as 20 cm. The true length of the object is 18 cm. What is the percentage of error in the student's measurement?
18
30 sec
Q.
Which of the following is an example of an average measurement?
19
30 sec
Q.
How many centimeters are in 1 meter?
20
30 sec
Q.
Which option correctly converts 2000 centigrams to grams?
21
30 sec
Q.
A cyclist travels at a speed of 15 kilometers per hour. How long will it take to travel 45 kilometers?
22
30 sec
Q.
A runner completes a race at an average speed of 10 kilometers per hour. If the race is 30 kilometers long, how long did it take the runner to finish?
23
30 sec
Q.
A cyclist is riding at a speed of 20 kilometers per hour. If the cyclist travels for 2.5 hours, how far will they travel?
24
30 sec
Q.
A cyclist is riding at a speed of 25 kilometers per hour. How long will it take to travel a distance of 75 kilometers?
25
30 sec
Q.
A train is traveling at a speed of 80 kilometers per hour. If it travels for 3 hours, how far will it go?
26
30 sec
Q.
Which of the following describes acceleration?
27
30 sec
Q.
A train accelerates from 0 m/s to 20 m/s in 10 seconds. What is its acceleration?
28
30 sec
Q.
A car starts from rest and accelerates uniformly at a rate of 5 m/s^2 for 10 seconds. What is the final velocity of the car?
29
30 sec
Q.
A car travels at a constant velocity of 60 km/h for 2 hours. What is the total distance traveled by the car?
30
30 sec
Q.
A car is moving at a constant velocity of 20 m/s. What can be said about its acceleration?
31
30 sec
Q.
Which of the following quantities only has magnitude and no direction?
32
30 sec
Q.
Which of the following is an example of a scalar quantity?
33
30 sec
Q.
Which of the following is a scalar quantity?
34
30 sec
Q.
Which of the following quantities is a scalar quantity?
35
30 sec
Q.
Which of the following quantities is a vector quantity?
36
30 sec
Q.
A force of 50 Newtons is applied at an angle of 45 degrees above the horizontal. If another force of 30 Newtons is applied at an angle of 60 degrees below the horizontal, what is the magnitude of the resultant force?
37
30 sec
Q.
A force of 20 Newtons is applied at an angle of 30 degrees above the horizontal. If another force of 10 Newtons is applied at an angle of 60 degrees below the horizontal, what is the magnitude of the resultant force?
38
30 sec
Q.
A plane is flying with a velocity of 200 m/s at an angle of 30 degrees north of east. The wind is blowing with a velocity of 50 m/s at an angle of 60 degrees west of north. What is the magnitude of the resultant velocity of the plane?
39
30 sec
Q.
A football player kicks the ball with an initial velocity of 15 m/s at an angle of 45 degrees above the horizontal. What is the horizontal component of the ball's initial velocity?
40
30 sec
Q.
A ball is thrown with an initial velocity of 20 m/s at an angle of 60 degrees above the horizontal. What is the vertical component of the ball's initial velocity?
41
30 sec
Q.
A car is traveling north with a velocity of 30 m/s. At the same time, a wind is blowing towards the east with a velocity of 10 m/s. What is the resultant velocity of the car?
42
30 sec
Q.
A hiker walks 5 km in a direction 60 degrees north of east. How far east did the hiker walk?
43
30 sec
Q.
A vector has a magnitude of 5 units and is in the direction of the positive y-axis. What is the y-component of the vector?
44
30 sec
Q.
A velocity vector has a magnitude of 20 m/s and is directed towards the positive y-axis. What is the y-component of the velocity vector?
45
30 sec
Q.
What is the range of a projectile?
46
30 sec
Q.
What is the trajectory of a projectile?
47
30 sec
Q.
A soccer ball is kicked at an angle of 60 degrees with an initial velocity of 15 m/s. What is the horizontal distance traveled by the ball before hitting the ground?
48
30 sec
Q.
A projectile is launched at an angle of 35 degrees with an initial velocity of 25 m/s. What is the maximum height reached by the projectile?
49
30 sec
Q.
A golf ball is launched at an angle of 50 degrees with an initial velocity of 35 m/s. What is the maximum height reached by the golf ball?