WitrynaKey words: inner trajectory; adaptive pressure-maintaining chamber; super-high initial velocity propulsion; barrel weapon. Increasing the initial velocity of a bullet is an effective way to improve its penetration ability and range. The traditional way to increase the initial velocity is to increase the charge. Witryna3 kwi 2024 · If the velocity and acceleration of an object point in the same direction, the object's speed is increasing. If the velocity and acceleration of an object point in opposite directions, the object's speed is decreasing. If the velocity and acceleration of an object are perpendicular to each other, the object's initial speed stays constant (in ...
4 Ways to Calculate Acceleration - wikiHow
Witrynawhere the average velocity is. ˉv = v0 + v 2 (constant a). 2.29. The equation ˉv = v0 + v 2 reflects the fact that, when acceleration is constant, v is just the simple average of the … WitrynaEngineering Mechanical Engineering 5. A particle is moving with an initial velocity of v= 12 ft/s and constant acceleration of 3.78 ft/s² in the same direction as the velocity. Determine the distance the particle has traveled when the velocity reaches 30 ft/s. a. 50 ft 100 ft b. C. 150 ft d. 200 ft. 5. A particle is moving with an initial ... flat jointing plate
A stone is thrown vertically upward with a speed of 28 m/s. (a) …
WitrynaMaxW, your intuition is correct. For ideal conditions, initial velocity equals final velocity if, but only if, initial and final elevations (Y) are equal. In fact during flight, the velocity … WitrynaWhen two projectiles are thrown with the same initial speed and they have the same range, then the one thrown with the smaller launch angle with respect to the ground has the shorter flight time. Note: We can denote the two launch angles that have the same range as θ 0 = 45 o ± θ, or as θ 0 = θ' and θ 0 = 90 o - θ'. WitrynaA stone is thrown vertically upward with a speed of 28 m/s. (a) Find the maximum height reached by the stone, (b) Find its velocity one second before it reaches the maximum height, (c) Does the answer of part (b) change if the initial speed is more than 28 m/s such as 40 m/s or 80 m/s. flat joint bone