# Speed vs Time

```Physics 1301 – Math Review
Equations
1. If 2(x+3) + 7(2-y) = 4 and 2(x-3) – 4(y-3) = 2
2. If
πΉπΉ = πΊπΊππ12ππ2
ππ
and
πΉπΉ =
4ππ2 ππππ1
ππ 2
solve for x and y
solve for m2 in terms of T and R.
Right Angle Trigonometry
3. If A = 30&deg; and c = 6.0 m. Find side a, b, and angle B.
c
4. If a = 2.0 m and b = 5.4 m. Find angles A , B, and side c.
B
C
A
b
5. If sin A = 0.60 and a = 1.8 cm. Find side b, c, and angle B.
Slope and Area under the Curve
6. Write an equation for the graph in the
slope intercept form.
Speed vs Time
15
7. What is the area under the curve
between 1 s and 7 s?
8. Find the derivative of the equation for
this graph. What does it represent?
dv (t )
dt
=
speed (m/s)
v(t) =
10
5
0
-5
-10
-15
0
1
2
3
4
5
6
7
time (s)
9. Find the definite integral of the equation for this graph between 1s and 7s.
∫
7s
1s
v ( t ) dt =
8
9 10 11
a
Vectors
20 m/s
15 m/s
21&deg;
vector A
53&deg;
vector B
10. Write vector A and B in terms of their unit vectors.
A=
B=
11. Calculate the following then sketch the operation showing A, B and the
resultant.
Find A + B =
Find A – B =
Find B – A =
Multiply A by 5 kg =