Question 101 pts 500g = ______________kg Group of answer choices
0.005
0 .05
50
0.5
Flag question: Question 11 Question 111 pts 2kg = ______g Group of answer choices
2000
20000
20
200
Flag question: Question 12 Question 121 pts 5.2m = ____________________cm Group of answer choices
52
520
52,000
5200
Flag question: Question 13 Question 131 pts The total length traveled by an object is Group of answer choices
velocity
distance
displacement
acceleration
Flag question: Question 14 Question 141 pts When a basketball player jumps to make a shot, once the feet are off the floor, the jumper's acceleration Group of answer choices
varies with body orientation.
depends on launch speed.
is g; no more, no less
is usually greater for taller players (but not always).
Flag question: Question 15 Question 151 pts Suppose you take a trip that covers 180 km and takes 3 hours to make. Your average speed is Group of answer choices
30 km/h.
60 km/h.
60 km/h/h
180 km/h.
Flag question: Question 16 Question 161 pts Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 km/h to 40 km/h the first second and from 40 km/h to 45 km/h the next second. What is the car's acceleration? Group of answer choices
10 km/h•s
5 km/h•s
40 km/h•s
35 km/h•s
Flag question: Question 17 Question 171 pts A ball is thrown straight up. At the top of its path its instantaneous speed is Group of answer choices
-9.8 m/s/s.
about 5 m/s.
9.8 m/s.
0 m/s.
Flag question: Question 18 Question 181 pts The displacement of an object moving 330 km North for 2 hours and an additional 220 km North for 5 hours is Group of answer choices
110 km North
220 km North
550 km North
330 km North
Flag question: Question 19 Question 191 pts When something falls to the ground, it accelerates. This acceleration is called the acceleration due to gravity and is symbolized by the letter g. What is the value of g on Earth's surface? Group of answer choices
about 20 m/s2
9.8 m/s
9.8 m/s2
Flag question: Question 20 Question 201 pts A car accelerates at 2 m/s2. Assuming the car starts from rest, how much time does it need to accelerate to a speed of 20 m/s? Group of answer choices
More information is needed
10 seconds
20 seconds
2 seconds
Flag question: Question 21 Question 211 pts If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each second by Group of answer choices
about 5 m/s.
about 10 m/s.
a rate that depends on its initial speed
a variable amount.
Flag question: Question 22 Question 221 pts If a ball were equipped with a speedometer and allowed to fall freely on a planet where the acceleration due to gravity is 23 m/s2, the reading on the speedometer would increase each second by Group of answer choices
9.8 m/s.
12 m/s.
23 m/s.
a rate that depends on its initial speed.
Flag question: Question 23 Question 231 pts The rate at which distance is covered is called Group of answer choices
vectors
Speed
Acceleration
Displacement
Flag question: Question 24 Question 241 pts Average speed is Group of answer choices
90 mph on 285
a vector quantity
total distance traveled by the object divided by the elapsed time to cover that distance
the distance covered in one hour
Flag question: Question 25 Question 251 pts Velocity is different from speed in that velocity is Group of answer choices
always constant.
a vector quantity
always constant in a vacuum
a scalar quantity
Flag question: Question 26 Question 261 pts A unit of velocity is Group of answer choices
18 km/hr2
25 mph/s
-9.8 m/sec2
55 miles per hour North
Flag question: Question 27 Question 271 pts The rate at which velocity changes with time is called Group of answer choices
Free fall
Displacement
Velocity
Acceleration
Flag question: Question 28 Question 281 pts When calculating acceleration, it is correct to use__________________ when expressing the metric unit. Group of answer choices
Meters per second^2
Feet/sec2
Meters per second
Miles per hour
Flag question: Question 29 Question 291 pts When a car rounds a corner at a constant speed, its acceleration is _________________________. Group of answer choices
Not constant
Not measurable
Constant
Decreasing
Flag question: Question 30 Question 301 pts When a car is slowing down to the right, its acceleration is __________________________. Group of answer choices
Increasing
Positive
Negative
Not measurable
Flag question: Question 31 Question 311 pts What is the average speed of a cheetah that runs 88 m in 5 seconds? Use scratch paper for calculations. Group of answer choices
17.6 m/sec2
440 m/s
17.6 m/sec
440 m/sec2
Flag question: Question 32 Question 321 pts Calculate the acceleration of the graph below.image.png Group of answer choices
5 miles/hour
5 miles / hour / hour
15 mph2
Unable to calculate from the given information
Flag question: Question 33 Question 331 pts Calculate the acceleration of the graph below.image.png Group of answer choices
-2 m/minute
-2 m/min2
2 m/minute
2 m/ min2
Flag question: Question 34 Question 341 pts A helicopter’s speed increases from 25 m/sec to 60 m/sec in 5 seconds. What is the acceleration of this helicopter? Show your work including your formula. Group of answer choices
-7 m/sec
7 m/sec
-7m / sec2
7 m/sec2
Flag question: Question 35 Question 351 pts A cart rolling down an incline for 5.0 seconds has an acceleration of 4.0 m/sec2. If the cart has a beginning speed of 2.0 m/sec, what is its final speed? Group of answer choices
20 m/sec
22 m/sec
40 m/sec
44 m/sec
Flag question: Question 36 Question 361 pts A first grader measures 1 meter high. How much bigger is this first grader compared to the height of a bug that measures 1 millimeter high? (1000 mm = 1 m) Group of answer choices
1000 times
10 times
100 times
10,000 times
Let's go through each question one by one:
Question 10: 500g = ______________kg
Question 11: 2kg = ______g
Question 12: 5.2m = ____________________cm
Question 13: The total length traveled by an object is
Question 14: When a basketball player jumps to make a shot, once the feet are off the floor, the jumper's acceleration
Question 15: Suppose you take a trip that covers 180 km and takes 3 hours to make. Your average speed is
Question 16: Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 km/h to 40 km/h the first second and from 40 km/h to 45 km/h the next second. What is the car's acceleration?
Question 17: A ball is thrown straight up. At the top of its path its instantaneous speed is
Question 18: The displacement of an object moving 330 km North for 2 hours and an additional 220 km North for 5 hours is
Question 19: When something falls to the ground, it accelerates. This acceleration is called the acceleration due to gravity and is symbolized by the letter g. What is the value of g on Earth's surface?
Question 20: A car accelerates at 2 m/s². Assuming the car starts from rest, how much time does it need to accelerate to a speed of 20 m/s?
Question 21: If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each second by
Question 22: If a ball were equipped with a speedometer and allowed to fall freely on a planet where the acceleration due to gravity is 23 m/s², the reading on the speedometer would increase each second by
Question 23: The rate at which distance is covered is called
Question 24: Average speed is
Question 25: Velocity is different from speed in that velocity is
Question 26: A unit of velocity is
Question 27: The rate at which velocity changes with time is called
Question 28: When calculating acceleration, it is correct to use__________________ when expressing the metric unit.
Question 29: When a car rounds a corner at a constant speed, its acceleration is _________________________.
Question 30: When a car is slowing down to the right, its acceleration is __________________________.
Question 31: What is the average speed of a cheetah that runs 88 m in 5 seconds?
Question 32: Calculate the acceleration of the graph below.
Question 33: Calculate the acceleration of the graph below.
Question 34: A helicopter’s speed increases from 25 m/sec to 60 m/sec in 5 seconds. What is the acceleration of this helicopter?
Question 35: A cart rolling down an incline for 5.0 seconds has an acceleration of 4.0 m/sec². If the cart has a beginning speed of 2.0 m/sec, what is its final speed?
Question 36: A first grader measures 1 meter high. How much bigger is this first grader compared to the height of a bug that measures 1 millimeter high? (1000 mm = 1 m)