Download A kilogram is - Anoka-Hennepin School District

Final Review Term 1
1) A kilogram is
10-3 grams.
103 grams.
106 grams.
10 grams.
10 meters.
.1 meters.
.01 meters.
2) A centimeter is
100 meters.
3) A kilometer is
greater than a mile.
less than a mile.
about the size of a football field.
4) All of the following are base units of the SI system except:
kilogram.
kelvin.
meter.
pound
5) Convert 0.75 kilometers to meters.
7500 m
750 m
75 m
7.5 m
6) Convert 0.0215 m to mm.
0.215 mm
2.15 mm
21.5 mm
215 mm
7) Add 321.475, 42.500, and 2.25, and round properly.
366
366.22
366.23
366.225
8) Multiply 12.75 times 4.375 and round properly.
55.78125
55.78
55.8
56.0
The number 9452 in scientific notation is
9.452x102
94.52x102
.9452x104
9.452x103
9) The number .0000475 in scientific notation is
4.75x10-6
4.75x10-5
4.75x10-4
10) Which graph represents an object at rest?
4.75x10-3
less than a football field.
11) Which graph represents constant positive acceleration?
12) In this problem "up" is taken to be positive. A ball is thrown straight up in the air, at the very top its
velocity is negative.
m/s^2
acceleration is zero.
its acceleration is 9.8 m/s^2.
its acceleration is -9.8
13) In this problem "up" is taken to be positive. A falling object has
positive acceleration and positive velocity.
acceleration and negative velocity.
negative acceleration and negative velocity.
positive
negative acceleration and positive velocity.
14) A 5 kg (4.9 N) book rests on your desk. Which of the following answers is not correct?
The normal force on the book equals its weight because of Newton's First Law.
the book equals its weight because of Newton's Second Law.
weight because of Newton's Third Law.
The normal force on
The normal force on the book equals the
15) A 5 kg (4.9 N) book rests on your desk. What is the reaction force to the 4.9 N weight (force) of the book?
The 4.9 N normal force from the table on the book.
The weight of the earth.
The 4.9 N reaction force from the book on the table.
A 4.9 N force on the Earth.
16) You stand on a bathroom scale in an elevator accelerating upwards and it reads 200 Newtons. Which of the
following is true?
You weigh 200 Newtons.
20.4 m/s^2.
The scale exert a 200 N force on you.
The acceleration of the elevator is
None of the above are correct.
17) Money is to wealth as
weight is to (the force of) gravity.
weight is to mass.
mass is to inertia.
gravity is to mass.
18) A car pulls on a rope tied to a tree with a force of 1000 Newtons. Which of the following is not true.
The rope pulls on the tree with a force of 1000 Newtons.
Newtons.
The tension in the rope is 2000 Newtons.
The tree pulls on the rope with a force of 1000
The tension in the rope is 1000 Newtons.
Solve these problems using significant figures.
1) 25miles/hour = _____________ft/sec
2) 10. ft/sec = _____________miles/sec
3) 20.km/hr = _____________m/s
4) 5.908 x 400 =
________________
5) 3.6 x 444 =
________________
6) 5.99/ 0.06 =
________________
7) (3.5060 x 90.0)/33 ________________
8) 2.3584x5465x246=________________
9) 3.33/456=
________________
10) 333/199.8=
________________
11) 146740/667=
________________
12) 0.28/56=
________________
Measure the bold line and report the range of uncertainty with units.
llllllllllllllllllllllllllllllllllllll
0
1
2
3cm
13) Line is ___________________
14) A swimmer is swimming across a stretch of water 100.m wide at a constant 5.0m/s.
a) How long does it take for the swimmer to cross the river?__________
b) If the current pushes the swimmer downstream at 4m/s, how far down river will the swimmer be when
they reach the other side? ___________
15) A car with a search beacon is stolen from a home. The car is driven 3.0 miles East, 4.0 miles north, 6 miles
west and parked. How far from home with the search beacon detect the car?___________
16) A ball is thrown perfectly horizontally off of the same cliff at 20m/s and lands 2.0s later. (Fill in the table)
What is the initial horizontal velocity?
What is the horizontal acceleration?
What is the final horizontal velocity?
Now that the ball is moving horizontally, list here which of the vertical values change?
What is the horizontal time?
Calculate the horizontal distance that the ball will travel.
Horizontal (x direction)
Vertical (y direction)
a=
a=
Vi=
Vi=
Vf=
Vf=
D=
D=
T=
T=