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FAQs on DC Pandey Solutions (JEE Advance): Projectile Motion - DC Pandey Solutions for JEE Physics

1. What is projectile motion in the context of JEE Advanced?
Ans. Projectile motion refers to the motion of an object that is launched into the air and is subject only to the force of gravity and air resistance. In the context of JEE Advanced, projectile motion is an important topic in physics that involves analyzing the motion of objects that are thrown, launched, or shot into the air.
2. How can I determine the maximum height reached by a projectile?
Ans. To determine the maximum height reached by a projectile, you can use the following formula: Maximum height (H) = (Initial velocity squared * sin^2(angle))/ (2 * acceleration due to gravity) Where the initial velocity is the velocity at which the object is launched, the angle is the angle at which it is launched, and the acceleration due to gravity is approximately 9.8 m/s^2.
3. How is the range of a projectile calculated?
Ans. The range of a projectile, which refers to the horizontal distance covered by the object, can be calculated using the formula: Range (R) = (Initial velocity squared * sin(2 * angle)) / acceleration due to gravity Here, the initial velocity is the velocity at which the object is launched, the angle is the angle at which it is launched, and the acceleration due to gravity is approximately 9.8 m/s^2.
4. What is the time of flight of a projectile?
Ans. The time of flight of a projectile refers to the total time taken by the object to complete its trajectory and return to the same horizontal level from which it was launched. It can be calculated using the formula: Time of flight (T) = (2 * Initial velocity * sin(angle)) / acceleration due to gravity Where the initial velocity is the velocity at which the object is launched, the angle is the angle at which it is launched, and the acceleration due to gravity is approximately 9.8 m/s^2.
5. How does air resistance affect projectile motion?
Ans. Air resistance, also known as drag, can affect projectile motion by reducing the range and height reached by the object. As the object moves through the air, it experiences a drag force that opposes its motion. This force can cause the object to slow down and deviate from its ideal projectile path. In cases where air resistance is significant, the equations and calculations for projectile motion may need to be modified to account for this additional force.
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