Answer:
20m/s
Explanation:
Given parameters:
Displacement = 200m
Time = 10s
Unknown:
Velocity of Usain Bolt = ?
Solution:
The velocity of a body is the displacement divided by the time taken.
Therefore
Velocity = 
So;
Velocity = 
= 20m/s
Answer:
T1 = 1/12 x 48 MHz = 4 MHz
Timer’s clock period:
The time delay of one machine cycle is given below. We use this to generate the delay.
T2= 1/ 4000000= 0.25 µ sec
For delay of 10 ms:
1. Firstly divide the desired time delay value (10 ms) by the timer clock period.
N= 1 / 0.25µs
N= 10 ms / 0.25µsec
N=40000
2. Subtract the value of N from the maximum number of counts possible for 16 bit timer i.e. 2^16 = 65536.
M=65536-N
M=65536-40,000
M= 25536
Explanation:
Clock source:
Element’s oxidation number decrease that because that element has received electrons from another element
Explanation:
A reduction in oxidation state is known as a reduction. Such reactions include the formal removal of electrons: a net gain in electrons moving a reduction, and a clear loss of electrons being an oxidation.
An oxidation-reduction (redox) reaction is a type of synthetic reaction that involves a transfer of particles between two species. An oxidation-reduction reaction is any synthetic reaction in which the oxidation number of a molecule, atom, or ion quarters by winning or missing an electron.
Explanation:
Assuming that there is no air resistance, the given time means that the ball reached its maximum height 3 seconds after throwing it upwards so we can solve its
maximum height by solving for 
first:
Now that we know 
we can now solve for 
Explanation:
The emf is equal to the work done on the charge per unit charge (ϵ=dWdq) when there is no current flowing. Since the unit for work is the joule and the unit for charge is the coulomb, the unit for emf is the volt (1V=1J/C).
