A bullet is fired at an initial velocity of 120m/s and an angle of 54° at the top of a 120m tal building. Neglecting air resistance, determine the following: a. The maximum height above the ground that can be reached by the bullet b. The time for the bullet to hit the ground C. The velocity with which the bullet will hit the ground.

A bullet is fired at an initial velocity of 120m/s and an angle of 54° at the top of a 120m tal building. Neglecting air resistance, determine the following: a. The maximum height above the ground that can be reached by the bullet b. The time for the bullet to hit the ground C. The velocity with which the bullet will hit the ground.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A steel ball is thrown up from the top of a tower of height 115 m with a velocity of 50 m/s . While coming down, it strikes a glass pan, held at half the height of the tower from the ground and loses 35% of its velocity in breaking the glass. Determine the time taken to reach the maximum height and the velocity with which it will strike the ground and total time taken to reach the ground. The time taken to reach maximum height in seconds is? The maximum height reached in m is? The time taken by the steel ball from maximum height to the glass pan in seconds is ? The velocity of the steel ball when it hits the glass pan in m/s is ? The velocity of the steel ball when it hits the ground in m/s is ? The total time taken by the steel ball in seconds is?
A bullet weighing 0.30N and moving at 660 m/sec. penetrates a 50N block and emerges with a velocity of 180m/sec. what is the velocity of the block at the time when the bullet is embedded in the block ?
Q1 (a) Figure Q1 (a) shows a baskerbail game. The player is trying to shoot the ball at point A, at 60° angle with distance 5.6 m from the hoop and the hoop is 3 m off the ground. Neglect the size of the ball. Use g-9.81m's. Determine the velocity, VA, required for the ball to enter the hoop if the ball is shoot at at 2.X metres off the ground メース Hints: Use the vertical displacement given. I VA 20 e = 60° 3m 2Xm 5.6m Figure Ql (a)
A stone is thrown up with a velocity of 54 m/s from the ground. While coming down, it strikes a glass pan, held at half the height through which it has risen and loses half of its velocity in breaking the glass. Determine the time taken to reach the maximum height and the velocity with which it will strike the ground and total time taken to reach the ground Solution 1. The time taken to reach maximum height in seconds is 2.The maximum height reached in m is 3.The distance between glass pan to the maximum height in m is 4.The velocity when the stone hits the glass pan in m/s is 5.The velocity of the stone when it hits the ground in m/s is 6.The total time taken by the stone in seconds is
A stone is thrown up with a velocity of 70 m/s from the ground. While coming down, it strikes a glass pan, held at half the height through which it has risen and loses half of its velocity in breaking the glass. Determine the time taken to reach the maximum height and the velocity with which it will strike the ground and total time taken to reach the ground Solution 1. The time taken to reach maximum height in seconds is 2.The maximum height reached in m is 3.The distance between glass pan to the maximum height in m is
A stone is thrown from the top of a building with an initial velocity of 20 m/s straight upward. The building is 50 m high, and the stone just misses the edge of the roof on its way down. Determine: a. The time needed for the stone to reach it maximum height b. The maximum height the stone reaches c. The time needed for the stone to return to the level of the thrower d. The velocity of the stone at the instant it returns to the level of the thrower e. The velocity of the stone and position of the stone at t=5 seconds f. The velocity of the stone just before it hits the ground g. The total time the stone is in the air
A tennis ball launcher is used to fire a ball for hitting the target B. The ball velocity at firing is 40 m/s at an angle in degrees with the horizontal. Determine the value that will maximize the height, the maximum H and the time of impact.
A stone is thrown up with a velocity of 56 m/s from the ground. While coming down, it strikes a glass pan, held at half the height through which it has risen and loses half of its velocity in breaking the glass. Determine the time taken to reach the maximum height and the velocity with which it will strike the ground and total time taken to reach the ground 1. The time taken to reach maximum height in seconds is 2.The maximum height reached in m is 3.The distance between glass pan to the maximum height in m is 4.The velocity when the stone hits the glass pan in m/s is 5.The velocity of the stone when it hits the ground in m/s is 6.The total time taken by the stone in seconds is
A stone is thrown up with a velocity of 72 m/s from the ground. While coming down, it strikes a glass pan, held at half the height through which it has risen and loses half of its velocity in breaking the glass. Determine the time taken to reach the maximum height and the velocity with which it will strike the ground and total time taken to reach the ground 2.The maximum height reached in m is 3.The distance between glass pan to the maximum height in m is 4.The velocity when the stone hits the glass pan in m/s is
projectile is fired from the edge of a 150-m cliff with an initial velocity of 180 m/s at an angle of 30°with the horizontal. Neglecting air resistance, find the time taken to reach the projectile strikes the ground.
A ball is released from the bottom of an elevator which is travelling upward with a velocity of 6 m/s. The ball strikes the bottom of the elevator shaft in elevator shaft in 3s. Determine the height of the elevator from the bottom of the shaft to the instant the ball is released and find the velocity of the ball when it strike the bottom of the shaft.
A ballistic pendulum is a device often used for measuring the velocity of a projectile. Assume to projectile fully embeds itself in the pendulum. If the projectile mass is 25 grams, the pendulum mass is 2.5 kg, and the vertical displacement of the pendulum after the collision is 12 cm, find the velocity of the projectile just prior to the collision. cm cm