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Transcript
Name ________________________ Block _____
Honors Physics Final Exam Review 1
Chapters 1,2,3,4
1) While driving in Europe you see a sign indicating the
speed limit is 30 m/s. About how fast is this in mph?
(note: 1 mi = 1.61 km)
a) 43 mph b) 55 mph
c) 67 mph d) 90 mph
traveled after 0.60 h?
a) 1.1 km
b) 2.5 km
c) 0.63 km
d) 3.7 km
6) A hiker travels east at 2 km/hr for 2 hr, then east
at 3 km/hr for 1 hr. What is the hiker's average
velocity for the trip?
a) 1.33 km/hr east
b) 2.25 km/hr east
c) 2.33 km/hr east
d) 2.50 km/hr east
3) Convert 6.5 mm to meters using scientific notation.
a) 6.5 x 10-6 m
b) 6.5 x 10-5 m
c) 6.5 x 10-3 m
d) 6.5 x 10-2 m
4) If some measurements agree closely with each other
but differ widely from the actual value, these
measurements are
a) neither precise nor accurate.
b) accurate but not precise.
c) acceptable as a new standard of accuracy.
d) precise but not accurate.
5) A dolphin swims 1.85 km/h. How far has the dolphin
7) A toy car is given an initial velocity of 5.0 m/s and
experiences a constant acceleration of 2.0 m/s2. What
is the final velocity after 6.0 s?
a) 10.0 m/s
b) 12 m/s
c) 16 m/s
d) 17 m/s
8) Based on the graph above, which statement is false?
a) the speed of the object is decreasing
b) the acceleration of the object is zero
c) the displacement of the object is decreasing
d) the velocity of the object is negative
11) A race car accelerates from 0 m/s to 30.0 m/s with
a displacement of 45.0 m. What is the vehicle's
acceleration?
a) 2.00 m/s2
b) 5.00 m/s2
c) 10.0 m/s2
d) 15.0 m/s2
12) A sports car accelerates at a constant rate from
rest to a speed of 27.8 m/s in 8.00 s. What is the
displacement of the sports car in this time interval?
a) 55.0 m
b) 77.0 m
c) 111 m
d) 222 m
9) Based on the graph above, which statement is false?
a) the acceleration of the object is constant
b) the velocity is changing in a positive direction
c) the speed of the object is constant
d) the object comes to a stop at one or more points on
10)Based on the graph above, which statement is false?
a) the object is stationary
b) the acceleration of the object is zero
c) the displacement of the object is positive
d) the speed of the object is constant
13) A baseball catcher throws a ball vertically upward
and catches it in the same spot as it returns to the
mitt. At what point in the ball's path does it experience
zero velocity and zero acceleration?
a) midway on the way up
b) at the top of its trajectory
c) the instant before it arrives in the catcher's mitt
d) at no point in the ball's path
14) A rock is thrown straight upward with an initial
velocity of 19.6 m/s and returns back to the location it
was thrown. What is the rock's total time in the air?
a) 4.0 s
b) 5.0 s
c) 8.0 s
d) 10 s
15) A cave explorer travels 3.0 m eastward, then 2.5 m
northward, and finally 15 m westward. Find the
magnitude of the net displacement.
a) 12 m
b) 5.7 m
c) 18 m
d) 15 m
19) What are the fundamental units that make up a
Newton?
a) m/s b) kg·m/s c) kg·m/s2 d) m/s2
20) How much would a 24kg object weigh on Mars,
where the force of gravity is 1/3 the force of gravity
on Earth?
a) 8N
b) 29N
c) 78N d) 235N
16) What is the vertical velocity of a helicopter
traveling at 105km/hr at a 65° angle above the horizon.
a) 44.37 km/hr
b) 95.16 km/hr
c) 105.0 km/hr
d) 225.2 km/hr
17) A student's pencil rolls of her desk and lands on the
ground 1.90m away. It took 0.78s for the pencil to hit
the ground. What is the height of the desk?
a) 2.98 m
b) 3.83 m
c) 2.05 m
d) 1.90 m
18) A baseball is hit at an angle of 40° above the
horizon with an initial velocity of 50m/s. What is the
total time the ball is the ball in the air?
a) 3.28s
b) 6.56s
c) 7.82s
d) 10.2s
23) Four forces act of Joe's hot air balloon; 3250N up,
2350N down, 830N right, 1240N left. Find the
resultant magnitude and direction above the horizon
a) 1053N at 30.5º
b) 1053N at 24.5º
c) 989N at 24.5º
d) 989N at 65.6º
24) A 75kg object is pushed across a floor with an
applied force of 50N. If a constant frictional force
restricts the motion and the object still accelerates at
0.25 m/s2, find the coefficient of friction.
a) 0.04
b) 0.06
c) 0.10
d) 0.12
25) A 23N force accelerates an object at 5.2m/s2.
What is the mass of the object?
a) 0.23 kg b) 119.6 kg
c) 3.2 kg
d) 4.4 kg
26) A 20kg crate initially at rest on a horizontal floor
requires a 60N horizontal force to set it in motion. Find
the coefficient of static friction between the crate and
the floor.
a) 0.11
b) 0.31
c) 0.74
d) 0.25
28) A 55kg box is pulled across the floor by a 92N
force applied at a 41° angle to the ground. Find the
acceleration of the box.
a) 0.79 m/s2
b) 1.10 m/s2
c) 1.26 m/s2
d) 1.67 m/s2
29) A 12kg block slides down a 42° incline where the
coefficient of friction is 0.055. Find the magnitude of
the normal force.
a) 58.9 N
b) 78.8 N
c) 87.5 N
d) 118 N
27) A 10kg object weighs 87N on a scale in an elevator.
Find the magnitude of the acceleration of the elevator.
a) 1.11 m/s2
b) 8.87 m/s2
c) 9.81 m/s2
d) 11.1 m/s2
30) A 15kg block slides down a 33° incline without
friction. Find the acceleration of the block.
a) 5.33 m/s2
b) 8.22 m/s2
c) 80.1 m/s2
d) 147 m/s2