4. A stone thrown horizontally fell onto the ground after 3 second at a distance of 18 meters from where it was thrown. Free fall acceleration is g = 10 m/s?. (1) From what height h was the stone thrown? (2) What was the initial velocity uo of the stone? A) 15 m; 4 m/s m B) 30 m; 5 "/s C) 45 m; 6 m/s D) 60 m; 7 m/s

4. A stone thrown horizontally fell onto the ground after 3 second at a distance of 18 meters from where it was thrown. Free fall acceleration is g = 10 m/s?. (1) From what height h was the stone thrown? (2) What was the initial velocity uo of the stone? A) 15 m; 4 m/s m B) 30 m; 5 "/s C) 45 m; 6 m/s D) 60 m; 7 m/s

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter3: Accelerated Motion

Section: Chapter Questions

Problem 71A

See similar textbooks

Similar questions

42) A man wants to cross a SOD m wide. His rowing speed (relative to river 3000 m/h. The river flows with a of the water ) is the man's ualking peed Aowing & walking) he should take to get the point disctly opposite his star ting point in the shortest time ? b). How long does it take?" speed on shore is 5000 m/h. a). find the path (combined 2000 m/h. If
4. A particle start from rest and moves in straight line with an acceleration of a- (2t-6) m/s, where t is in seconds. What is the particles velocity when t-és (V(6) - Om/s ), and what is its position when t- 11s?(80.7 m)
2. A ball is thrown so that it just clears a 25 ft wall 100 ft away. If it left the hand 5 ft above thee ground and at an angle of 60° to the horizontal, what was the initial velocity of the ball?
Example 2. A stone is thrown from the top of a building with an initlal velocity V= 20 m/s upwards. The building is 5om high. Calculate a) the time needed to reach Hthe maximum height. b) the maximum height. e) the time to return back to the top of of building. d) the Velocity at this instant. )the Velocity just before it hits the ground.
1. A cyclist travels 6km due east and then makes a turn to travel a further distance of 8km due north. The whole journey takes 2 hours. Calculate - the distance travelled by the cysclist - the averafe speed of the cyclist - the displacement of the cyclist - the average velocity of the cyclist Given: Find: Formula: Solution:
2. We are given the velocity funtion of mouing car Along an east-wed4 highung is V(4) = 3€²-24 where t- hours afterho and distance is measured east is the positive direction, in miles, Note that going A If st) is the position in miles from Norton Tewn Mall and at 1 pm the car was at Norton Town Hall, find S(4) B) What was the average velocity of the car from Zpm to 5 pm! Include units of measurementi ) Set up o formula involving either s(E) or the total distance trave lled by the objét from Ipm to tpm? Answer simpligye v(t) that gves must have s" er v's in it. Do not
5. Derive a formula that relates the displacement, final velocity, time and constant acceleration of an object in UARM (Uniformly Accelerated Rectilinear Motion). Use that formula to find the time it takes for a particle to attain a velocity of 30" given that the constant acceleration is 6 and the particle's displacement is 25m to the left of the origin. Supnoce on olectron hee an ngoolorotion dofinad by a (t) 20to-t where t ie
1110. In Fig. P-1109, a ball thrown down the incline strikes it at a distance s 254.5 It. If the ball rises to a maximum height h 64.4 ft above the point of release, compute its initial velocity vo and inclination 6. Ans. v. = 80.5 ft per see; 0= 53.1° FIG. P-1109 and P-1110.
91 ll alll ? ۱۰:۰۸ ص v(m/s) t(s) D O Q7:A person is at building-top (50m high). Stone fells down from his hand to reach ground. (A) Calculate stone velocity when hits ground? (B) Time is taken stone to hit ground.Note: Support the solution .with diagram and marking إضافة ملف إرسال رجوع عدم إرسال كلمات المرور عبر نماذج Go ogle مطلقا۔ لم يتم إنشاء هذا المحتوى ولا اعتماده من قبل Go ogle. الإبلاغ عن إساءة الاستخدام - شروط الخدمة - سياسة الخصوصية Google zilai
NO: FREE FALL AN OBTECT DROPPE DATE: Y-AXIS 21XA-X From the top OF the building uith the boilding with an Inihal vetocity ot 20mo 20 -0 m/s straight upuard, at an minal heght oF 50.0 m and the ballA A Just misses the edge dF the roof on H3 way down. Determine. M) 0 a.3the time needed For the ball to tne maximum herght = Vo t at 0= 20.0 m/s + (9.80 mls~2)t t- 20.0 m/6 9.80 mf62 = 204 S B the maxinJm heignt Ay= 10 = Vot + 1/2 at2 Y max = vot +2 at + 100 m0A1 0-H
3. A hot-air balloonist, rising vertically with a constant speed of 5.00 m/s, released a sandbag at the instant the balloon is 40.0 m above the ground. After it is released, the sandbag encounters no appreciable air drag. a) Compute the position and velocity of the sandbag at 0.250 s and 1.00 s after its release. b) How many seconds after its release will the bag strike the ground? c) How fast is it moving as it strikes the ground? d) What is the greatest height above the ground that the sandbag reaches? e) Sketch graphs of the bag's acceleration, velocity, and vertical position as functions of time.
2uestion Ail object starts moving from rest with constant acceleration of 14 m/s, what is its final velocity after travelling a distance of 28 m? (a) 4 m/s (b)8 m/s (c) 28 m/s (d) 32 m/s Question The y-component of a vector having length 100 m at an angle of 30 with x-axis will be equal to.... 20 (a) 50 m (b) 75 m (c) 150 m (d) 300 m Question A particle moves with a velocity according to the equation v(t) 3 (at + b) m/s. where, a 2 m/s and b 14 m/s, Find the acceleration of the particle at t-1 sec. (d) 7 m/s 2 m/s (b) 3 m/s (c) 5 m/s At what angle a student must throw a ball in order to achie ve the maximum ranget (c) 60° Question 22: (d) 90 30 (b) 45°