Question

Скорость тела падающего с начальной скоростью 5м/с через 3 секунды после начала падения равна ....?

Answer 1

V = Vo + gt
V = 5 м\с + 10 м\с^2 x 3 с = 35 м\с
 

Answer 2

Calculation of the Speed of a Falling Object

To calculate the speed of a falling object after a certain time, we can use the equation of motion for free fall:

v = u + gt

Where: - v is the final velocity (speed) of the object - u is the initial velocity (speed) of the object - g is the acceleration due to gravity (approximately 9.8 m/s^2) - t is the time elapsed

In this case, the object is falling with an initial velocity of 5 m/s and the time elapsed is 3 seconds. Plugging these values into the equation, we can calculate the final velocity:

v = 5 + (9.8 * 3) v = 5 + 29.4 v = 34.4 m/s

Therefore, the speed of the falling object after 3 seconds is 34.4 m/s.

Please note that this calculation assumes that there is no air resistance acting on the object.