Answer:

Explanation:
The computation of the velocity by using the following formula is
As we know that

where,
Displacement is 10 meters
Total time taken is 30 seconds
Now placing these values to the above formula
So, the velocity of Dash is


We simply applied the above formula so that we can get the velocity and the same is to be considered
Answer:
void main(){
string name;
printf("Enter Name\n");
stdin("%s",&name);
Printf("\nGreetings %s",name);
}
Explanation:
Here scanf is represented by stdin and we are using that scanner object to read the string value from user.The value which we read are printed in a new line using printf .The format specifier %s in printf is replaced by name variable
You should have the percentage of tip based on the service that you received.
Then you multiply the percentage of tip by the amount of money that you have to pay for what you bought.