d = vt
v f = vi + at
F = ma
Ff = FN
1
d = vi t + at 2
2
2
2
v f = vi + 2ad
v2
a=
r
mv 2
F =
r
mm
F = G 12 2
r
g =G
p = mv
2r
v=
T
3
m
r2
G = 6.67 x10
ra Ta
=
r T
b b
11
2
T=
m2
N2
kg
1
f
Ft = p = mv f mvi
m Av Ai + mB vBi . = m Av A f + mB vB f .
1) A current carrying wire has a mass of 3.5 kg. It remains motionless as it hovers horizontally 2 m
above the Earths surface. The Earth has a magnetic field strength of 5 x 10-5 T. If the wire has a length
of 20 m, what is the value of the current passin
1) A generator can be made using the component of Earths magnetic field that is parallel to Earths
surface. A 112-turn square wire coil with an area of 4.41 102 m2 is mounted on a shaft so that the
cross-sectional area of the coil is perpendicular to the
1) A 0.040 kg cart is moving at a speed of 6.0 m/s when it enters a 1.8 x 104 N/C electric field that stops
the cart in 0.40 m. Determine the electric charge on the cart. 1x10-4 C
(HINT: Remember these problems combine your knowledge of Electric Fields, N
1) A flexible loop of conducting wire has a radius of 0.12 m and is perpendicular to a uniform magnetic
field with a strength of 0.15 T. The loop is grasped at opposite ends and stretched until it closes to an
area of 3 103 m2. If it takes 0.20 s to close
THIS SIDE IS FOR HOMEWORK
1) A block with mass 2kg and charge of 1.5x10-5C is located near a fixed (stuck where it is) charge of
the same amount. The block is resting on the floor. The coefficient of static friction is 0.827. How
close can you place the b
1) How do electrons behave in a conductor?
2) How do electrons behave in an insulator?
3) A negative charge is place on a large metal sphere. How will the negative charges behave? Where
will they go? WHY? Draw a picture of your explanation. How would you
1) A soccer ball is kicked off a hill with an initial velocity of 20 m/s at an angle of 30. It takes 6
seconds 6 seconds to hit the ground. Answer the following questions:
a) What is the balls velocity in the x-axis? 17.32 m/s
b) What is the balls initial
1) A cannon ball is shot horizontally off a cliff with an initial velocity of 40 m/s. The cannon ball lands
4 seconds later. Answer the following questions:
What is the cannon balls displacement in the y-axis? (-78.4 m)
What is the cannon balls displaceme
1)
100 V
RESISTANCE CURRENT VOLTAGE POWER
A
2)
50
54.5
19.8
B
100
0.545
54.5
29.7
50
0.91
45.5
41.4
100 100 V
50
3)
0.363
C
150
150
200
90.9
RESISTANCE CURRENT VOLTAGE POWER
25
50
1.23
61.6
75.9
B
200
0.31
61.6
19.0
C
120 V
50 50 100
A
25
25
1.54
3
INTRODUCTORY PROBLEMS:
1) A car with a velocity of 22 m/s is accelerated at a uniform rate of 1.6 m/s2 for 6.8 seconds. What is
the cars final velocity? 32.88 m/s
2) A car accelerates from 32 m/s to 96 m/s in an elapsed time of 8 s. What is the cars accel