Homework1- A golfer hits a golf ball from point A with an initial velocity of 50 m/s at an angle of 25°with the horizontal. Determine the radius of curvature of the trajectory described by theball (a) at point A, (b) at the highest point of the trajectory.2- The rotation of rod OA about 0 is defined by the relation 0 = n(4t2 - 8t), where 0and t are expressed in radians and seconds, respectively. Collar B slides along the rod sothat its distance from 0 is r = 10 + 6 sin nt, where r and t are expressed in inchesand seconds, respectively. When t = 1 s, determine (a) the velocity of the collar, (b) thetotal acceleration of the collar, (c) the acceleration of the collar relative to the rod.33Asst. Prof. Dr. Waleed Al-AshtariCollege of Engineering / University of BaghdadDynamics3- Pin A, which is attached to link AB, is constrained to move in the circular slot CD.Knowing that at t = 0 the pin starts from rest and moves so that its speed increases at aconstant rate of 20 mm/s?, determine the magnitude of its total acceleration when (a)t = 0, (b) t = 2 s.D.4- A monorail train starts from rest on a curve of radius 400 m and accelerates at theconstant rate a,. If the maximum total acceleration of the train must not exceed 1.5 m/s2, determine (a) the shortest distance in which the train can reach a speed of 72 km/h,(b) the corresponding constant rate of acceleration az.5- A basketball is bounced on the ground at point A and rebounds with a velocity v,ofmagnitude 7.5 ft/s as shown. Determine the radius of curvature of the trajectorydescribed by the ball (a) at point A, (b) at the highest point of the trajectory.15°

As per our guidelines we have to answer only one question. So, post the question seperately and…

1- A golfer hits a golf ball from point A with an initial velocity of 50 m/s at an angle of 25° with the horizontal. Determine the radius of curvature of the trajectory described by the ball (a) at point A, (b) at the highest point of the trajectory.

1- A golfer hits a golf ball from point A with an initial velocity of 50 m/s at an angle of 25° with the horizontal. Determine the radius of curvature of the trajectory described by the ball (a) at point A, (b) at the highest point of the trajectory.

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 nozzle discharges a stream of water in the direction shown with an initial velocity of 32 ft/s. Determine the radius of curvature of the stream as it leaves the nozzle.
A race car enters the circular portion of a track that has a radius of 70 m. When the car enters the curve at point P, it is travelling with a speed of 120 km/h that is increasing at 5 m/s2. Three seconds later, determine the following
A ball of radius 10mm can move along the frictionless slider of length L=141mm. It’s motion is affected by the device on surface B since it is experiencing attraction to that surface. At t=0, it is positioned at point A. Starting at rest, determine its velocity (m/s) as it comes in contact with surface B, if the ball’s acceleration is defined by a=c/(L-x)2 where c=50.4 m3/s
During a fast and the furious filming, two cars A and B start from rest at the origins=0 and move along a straight line such that aA = (6t − 3)ft/s2, and aB = (12t2 − 8)ft/s2, where t is in seconds. a.) Determine the distance between them when t=4s and the b.) Total distance each has traveled in t =4s. PLS SOLVE COMPLETE SOLUTION
At the instant shown, car A travels with a speed of 22 m/s , which is decreasing at a constant rate of 2 m/s2 , while car C travels with a speed of 15 m/s , which is increasing at a constant rate of 3 m/s2 . Suppose that r = 250 m and a = 160 m
13.4 A disk is projectedwith an initial velocity of 10m/s up an incline as shown. If pg=0.2 between the disk and the incline determine (a) the maximum distance L which the disk will travel up the incline, and (b) the speed of the disk as it slide back through the original providence.
Problem No. 1 Traveling with an initial speed of 70 km/h, a car accelerates at 6000 km/h2 along a straight road. How long will it take to reach a speed of 120 km/h? Also, through what distance does the car travel during this time? Problem No. 2 The acceleration of a particle along a straight line is defined by a = (2t - 9) m/s2, where t is in seconds. At t = 0, s = 1 m and v = 10 m/s. When t = 9s, determine (a) the particle’s position, (b) the total distance traveled, and (c) the velocity
Particle A slides over the semicylinder while pushed by the arm pinned at C. The motion of the arm is controlled such that it starts from rest at θ = 0, ω increases uniformly as a function of θ and ω = 0.5 rad/s for θ = 45°. Letting R = 100 mm, determine the velocity and acceleration of A when φ = 32 in polar, normal and tangential and Cartesian coordinates.10. The skiers leaves the 20o surface at 10 m/s.a) Determine the distance d to the point where he lands.b) What are the magnitudes of his components of velocity parallel and perpendicular to the 45o surface just before he lands?
Two cars A and B have a velocity of 25/sec. in the same direction. A is 73.5 m. behind B when the brakes are applied to car B, causing in to decelerate at a contant rate of 3m/sec². 1. In what time will A overtake B. 2. How far will car A travel? 3. How far will car B travel?
-Car A moving at a constant velocity of 25 m/sec passes a gasoline station. At the same instant, car B leaves the same gasoline station and travels the same direction as that of car A. Determine the required acceleration of car B in order to overtake car A after 35 seconds. -Two cars A and B are travelling in the same direction with a velocity of 30 m/sec. Car A is 250 meters behind car B. After 17 seconds, car B decelerates at a constant rate. Determine the deceleration of car B so that car A can overtake after 17 seconds.
Cars A and B approached each other on a straight road from points 460 m apart. A has an initial speed of 70 kph and is decelerating at the rate of 0.40 m/s2. B has an initial speed of 20 kph and is accelerating at the rate of 0.30 m/s2. When will the cars meet and how far will each have traveled? Draw the figure.
Q1. A roofer tosses a small tool to the ground. What minimum magnitude of horizontal velocity is required to just miss the roof corner B? Also determine the distance d.