Answered: Q.5 A ball is fired vertically with an…

Q.5 A ball is fired vertically with an initial velocity of (35 m/s). Calculate the maximum altitude (ymax) reached by the ball and the time (t) after firing for it to return to the

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

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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 10kg object is dropped from rest from the top of a 100m cliff. Exactly one second later, an 8g bullet is fired upward from the ground with a muzzle velocity of 300(m)/(s). Assume an inelastic collision occurs between the two objects. How long after the 10kg object is dropped will the combined object hit the ground? Compare that time to the time for the 10kg object to hit the ground without the collision.
The tank is to be placed on a hill that is 1 km high above the ground. The enemy’s base is located at a horizontal distance of 10 km away and it is in a valley 0.5 km below the ground. Air resistance is neglected. Gravitational acceleration is constant and equal to 9.8?/?2 downwards. If the bomb is to be fired perfectly horizontally, what should the launching speed of the bomb be in order to hit the target? What is the duration it would take the bomb to hit the target? Find x(t) and y(t). Consider the initial location of the tank to be (0, 1 km)? Draw the trajectory of the bomb (x and y coordinates). Indicate clearly the value of x (horizontal displacement) when the bomb reaches the ground level. 5. Draw the (?), ??(?), and ??(?) vertical above each other. Indicate key values on the graphs such as the start, the end, the maximum, the minimum and the x and y intercepts. PART 4 and 5 PLEASE.
3. Please include a free body diagram & make sure solutions are complete
EXERCISE HINTS: GETTING STARTED | I'M STUCK! Use the values from PRACTICE IT to help you work this exercise. Suppose the same two vehicles are both traveling eastward, the compact car leading the pickup truck. The driver of the compact car slams on the brakes suddenly, slowing the vehicle to 5.97 m/s. If the pickup truck traveling at 17.4 m/s crashes into the compact car, find the following. (a) the speed of the system right after the collision, assuming the two vehicles become entangled m/s (b) the change in velocity for both vehicles Av truck= m/s m/s Av car= (c) the change in kinetic energy of the system, from the instant before impact (when the compact car is traveling at 5.97 m/s) to the instant right after the collision ΔΚΕ =|
= 72.18 m/s at an angle of 0, = 23° with the horizontal. Neglecting air resistance, %3D A projectile is fired from the edge of a 148.6 m cliff with an initial velocity of vo .find the horizontal distance from the gun to the point where the projectile strikes the ground Uo hm
Q5. A man is standing ( 2 m ) above the ground, throws a stone at an angle of (65°) as shown in the figure below. If the time required for the stone to reach the ground is (2 sec ). calculate: (a) The initial velocity (v.) of the stone (b) The horizontal distance ( x ), where the stone hits the ground. Take ( x, = 0) and ( y. = 0) 2 m
A ball is kicked off the top of the building in problem one with a velocity of 8 m/s € 30° above the horizon. The building is 22 meters tall. Determine how long the ball is in the air. Determine how high above the ground the ball rose. Determine how far from the base of the building the ball landed. Determine the velocity with which the ball strikes the ground.
4. A plane cruising at an altitude of 500 m from the ground and 22 degrees from the horizontal at a speed of 180km/hr releases a package. Calculate the distance with which the package will drop from its original position and compute the time before it hits the ground.