#### kuruman

Homework Helper
Gold Member

Last edited:
Dale, neilparker62, BvU and 1 other person
This is a nice approach. It does seem to have some advantages over the standard approach.

kuruman

## 1. How do you calculate the initial velocity in projectile motion?

The initial velocity in projectile motion can be calculated using the formula v0 = v*cos(theta), where v is the initial speed and theta is the angle of launch.

## 2. What are the equations for solving projectile motion problems in one line?

The equations for solving projectile motion problems in one line are x = x0 + v0*t*cos(theta) and y = y0 + v0*t*sin(theta) - 0.5*g*t2, where x and y are the horizontal and vertical positions, x0 and y0 are the initial positions, v0 is the initial velocity, t is the time, theta is the angle of launch, and g is the acceleration due to gravity.

## 3. How do you find the range of a projectile?

The range of a projectile can be found using the formula R = v02*sin(2*theta)/g, where R is the range, v0 is the initial velocity, theta is the angle of launch, and g is the acceleration due to gravity.

## 4. Can you use the same equations to solve projectile motion problems in two lines?

Yes, the same equations can be used to solve projectile motion problems in two lines. However, the initial velocity and angle of launch may need to be calculated separately using other equations.

## 5. How do you take air resistance into account in projectile motion problems?

To take air resistance into account in projectile motion problems, you can use the formula v = v0*e-kt/m, where v is the velocity at any time, v0 is the initial velocity, k is a constant, t is the time, and m is the mass of the object. This equation can be incorporated into the equations for solving projectile motion problems.