A ball is thrown vertically upward with an initial speed of 56 ft/sec from the base A of a cliff with H = 30 ft. Determine the distance h by which the ball clears the top of the cliff and the time t after release for the ball to land at B. Also, calculate the magnitude of the impact velocity vg. Neglect air resistance and the small horizontal motion of the ball.

A ball is thrown vertically upward with an initial speed of 56 ft/sec from the base A of a cliff with H = 30 ft. Determine the distance h by which the ball clears the top of the cliff and the time t after release for the ball to land at B. Also, calculate the magnitude of the impact velocity vg. Neglect air resistance and the small horizontal motion of the ball.

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

The baseball player A hits the baseball at VA = 40 ft/s and θA = 60° from the horizontal. When the ball is directly overhead of player B he begins to run under it. Determine the constant speed at which B must run and the distance d in order to make the catch at the same elevation at which the ball was hit.
The spring is initially compressed 0.5 m, and block A is released from rest, in the position shown in the figure. After traveling 2 m, block A collides with block B (e = 0.9), and block B goes up a smooth circular curve. If WA = 12 N and WB = 2 N. Determine: a) the speed of A just before the collision; b) the speed of each block after the collision; c) the normal force on B, at position (2).
A particle of mass m travels in complete vertical circles on the end of a lightinextensible string of length a. If the maximum tension in the string is 3 timesthe minimum tension. Show that the speed of the particle as it passesthrough the lowest point on the circle sqrt(8ag)
The catapult is used to launch a ball such that it strikes the wall of the building at the maximum height of its trajectory. If it takes 1.5 s to travel from A to B, determine the velocity VA at which it was launched, the angle of release ), and the height h.
4.A body of mass 2 slugs is dropped from a height of yftwith an initial velocity of 10 ft/sec. Assuming no air resistance, find: (a) an expression for the velocity of the body at any time t and (b) the time required for the body to hit the ground. Use y =80
H.W Two identical 10-kg spheres are attached to the light rigid rod, which rotates in the horizontal plane centered at pin O. If the spheres are subjected to tangential forces of P = 10 N, and the rod is subjected to a couple moment M = (8t) * N * m , where t is in seconds, determine the speed of the spheres at the instant t = 4s . The system starts from rest. Neglect the size of the spheres. P = 10N 0.5 m M = (8t) * N * m 0.5 m P = 10N v = 10.4 m/s Ans.
Two identical 10-kg spheres are attached to the light rigid rod, which rotates in the horizontal plane centered at pin O. If the spheres are subjected to tangential forces of P = 10N , and the rod is subjected to a couple moment M = (8t) * N * m , where t is in seconds, determine the speed of the spheres at the instant t = 4s . The system starts from rest. Neglect the size of the spheres. H.W P = 10N 0.5 m M = (8t) * N * m 0.5 m- P = 10N v = 10.4 m/s Ans.
The 2.5-Mg pickup truck is towing the 1.5-Mg car using a cable as shown. If the car is initially at rest and the truck is coasting with a velocity of 30 km/h when the cable is slack, determine: 1. The common velocity of the truck and the car just after the cable becomes taut. 2. The loss of energy
Small steel balls fall from rest through the opening at A at the steady rate of 3 per second. Find the vertical separation h of two consecutive balls when the lower one has dropped 2.0 meters. Neglect air resistance.
A small airplane flying horizontally with a speed of 150 miles/hr at an altitude of 400 feet above aremote valley drops an emergency medical package at A. The package has a parachute whichdeploys at B and allows the package to descend vertically at the constant rate of 6 ft/sec. If the dropis designed so that the package is to reach the ground 37 seconds after release at A, determine thehorizontal lead L so that the package hits the target. Neglect atmospheric resistance from A to B. TOPIC: Curvilinear Motion. Rectangular Coordinates PLS SHOW COMPLETE SOLUTION ROUND OFF ANSWER TO FOUR DECIMAL PLACES
A small airplane flying horizontally with a speed of 150 miles/hr at an altitude of 400 feet above aremote valley drops an emergency medical package at A. The package has a parachute whichdeploys at B and allows the package to descend vertically at the constant rate of 6 ft/sec. If the dropis designed so that the package is to reach the ground 37 seconds after release at A, determine thehorizontal lead L so that the package hits the target. Neglect atmospheric resistance from A to B. SHOW COMPLETE SOLUTION ROUND OFF ANSWERS TO FOUR DECIMAL PLACES
Badly need in 1hour, thanks! D. In a sport of curling, stone A glides across the ice track and collides with another stone B, as illustrated. Determine their speeds soon after contact if each stone is smooth and weighs 50 lb., and the coefficient of restitution between the stones is 0.75. A has an initial velocity of 9 ft/s, whereas B is at rest. Determine also the time required just after collision for B to slide off the runway 4 ft from the gutter.