Scientific Notation
Give the scientific notation for 0.01
1 x 10^2
Give the SI unit for mass.
Kilogram (Kg)
Convert 3 minutes to SI units.
3 x 60 = 180 seconds
Substitute
Voltage is 4V and distance between plates is 1m
E = V/d
E = 4 V/m
3
Write in scientific notation.
234 500 000
2.345 * 10^8
Give the SI unit for speed.
m/s
Convert 5600mA to A
5.6 A
Rearrange the formula to make V the subject.
E = V/d
V = E x d
Give the number of significant figures in 0.0021
Two
Write in scientific notation
0.000012300
1.23 * 10^-5
Give the SI units for
acceleration
temperature
time
Acceleration = m/s/s
Temperature = Kelvin (K)
Time = seconds
Convert
6.34 tonnes
6340 kg
Rearrange the formula to make (u) the subject.
v = u + at
u = v - at
Give the number of significant figures in
2012
0.0003458
20 0001
2012 = 4 sig fig
0.0003458 = 4 sig fig
20 0001 = 6 sig fig
Give the scientific notation for
0.00231
345 940 000 000
2.31 * 10 ^ -3
3.4594 * 10 ^ 11
Convert to SI units
800 nm
1 nm = 1 * 10 ^ -9
8 * 10^-7
56 km/h
56 x 3.6
= 201.6 m/s
Rearrange the formula to make (t) the subject.
v = u + at
t = v - u /a
Rearrange the formula to make (u) the subject
V2 = U2 + 2as
V2 = U2 + 2as
V2 - 2as = U2
square root (V2 - 2as) = U
Give the scientific notation
(2 * 10^6) x (3 * 10^6)
6 * 10 ^ 6
Convert to SI units
4.5 hours
834 345 nm
8.34 345 * 10^-4
4.5 x 3600 = 16 200 seconds
Convert to SI units
19.5 hours
2345 mm
890 g
70 200 seconds
2.345 m
0.89 kg
Substitute in the following formula to find (v) given
S = 200 m
U = 40m/s
V2 = U2 + 2as
V2 = U2 + 2as
V2 = 402 + 2 x 9.8x 200
V2 = 5520
V = 74 m/s
Substitute in the following formula to find (v) given
S = 200 m
U = 50m/s
V2 = U2 + 2as
V2 = U2 + 2as
V2 = 502 + 2 x 9.8x 200
V2 = 6420
V = 80 m/s