A stone is dropped from a high cliff vertically. After 5.78 seconds, it hits the ground. How high is the cliff? (use g = 9.8 m/s^2) A. 163.7 (Why positive) B. -163.7 (Why negative) Explain and draw an illustration for your answer.

A stone is dropped from a high cliff vertically. After 5.78 seconds, it hits the ground. How high is the cliff? (use g = 9.8 m/s^2) A. 163.7 (Why positive) B. -163.7 (Why negative) Explain and draw an illustration for your answer.

Name: A stone is dropped from a high cliff vertically. After 5.78 seconds, i
Uploaded: 2024-03-05T11:56:34.000Z
Channel: Bartleby
Description: A stone is dropped from a high cliff vertically. After 5.78 seconds, it hits the ground. How high is the cliff? (use g = 9.8 m/s^2)A. 163.7 (Why positive)B. -163.7 (Why negative)Explain and draw an illustration for your answer.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter3: Vectors

Section: Chapter Questions

Problem 70PQ

See similar textbooks

Similar questions

180% P 7:35 stc ksa ll. Second H.W.pdf 1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- A, = 3 ,A, = -2 b- By = -2 ,B, = 2 2. What is the speed of horse in meter per second that runs a distance of 1.2 miles in 2.4 minutes? 3. A car moving along X- axis according on the function: X (t) = 2 t2 + 5 t + 7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s. 4. Julie is walking around a track at a 2m/s for some exercise. She then decides to start jogging so she accelerates at a rate of 0.5m/s for 3 seconds. How far did Julie travel from the time she started to accelerate to the end of the 3 seconds? 5. Ralph uses a 2000 N force to push his car along a road for 1000 m. It takes him500 s to do this a- Calculate the amount of work that Ralph did on the car. b- Calculate the amount of power that he generated.
answer question 3.a.i quickly base on given figure .. thank you
Omar travelled 34 km, North and then 15 km, South. His resultant displacement is O a. 19 km, South O b. 49km, South O c. 19 km, North O d. 49 km, North The diameter of a water droplet is 8µm. This value in the S.l. system of units is O a. 8x10-6 m O b. 8x10-12 m O c. 8x 10-3 m O d. 8x10-9 m
Cartesian Vectors in Two dimensions3. Select the expression that denotes a unit vector in the direction of F1 . a. 0.643i - 0.766 j b. 0.766i - 0.643 j c. -0.766i - 0.643 j d. 0.766i + 0.643 j 4. If α = 45ᵒ , determine the magnitude of P that makes the resultant of the three vectors(R = F1 + F2 + P ) horizontal.a. 93.9lb b. 51.5lbc. 72.7lb d. 25.8lb 5. Ifα = 45ᵒ , and the resultant (R = F + F + P ) is horizontal, determine its magnitude, R . a. 132lb b. 86.6lbc. 97.7lb d. 24.9lb 6. Ifα = 45ᵒ , find the magnitude of the projection of F1 in thedirection of P .a. 3.24lb b. 4.49lbc. 6.97lb d. 11.2lb
a. vx = 20 m/s , vy = 36 m/s . Find the vector's magnitude and direction. c. ax = 3.0 m/s2 , ay = -7.5 m/s2 . Find the vector's magnitude and direction.
1. For the vectors shown in the figure, find a) A. B b) B.C c) A. C Use either method. Be careful about units and significant figures. Ď (10.0 m) 25.0° Ć (12.0 m) y 53.0⁰ Copyright 2000 Pesmond.cation, Inc, putishing as Pedry B (15.0 m) 30.0° O X A (8.00 m)
A stone is thrown outward, at an angle of 65 degrees with the vertical , into the river from the edge of the cliff that is 125 meters above the wate level at a velocity of 40 kilometers per hour. Use g = 9.81 m/sec2 . 1. Determine the distance from the edge of cliff to the point where the stone drops. Answer in 2 decimal places. 2. At what height above the water level will the stone starts to fall? Answer in 2 decimal places.
R1.A.6. A bullet is fired on level ground at 231 m/s, 60° above the horizontal. Setup with a labeled diagram. Calculate how long (t) the bullet was airborne. Calculate how far (x) the bullet hits the ground.
A kangaroo can jump over an object 2.7 m high. a. Calculate its vertical speed when it leaves the ground, in meters per second. b. How many seconds is it in the air?
aa1. provide a and b..
A frustrated office worker throws his laptop out of his business's high- rise office building. The height, h, in meters of the laptop above the ground at t seconds can be modelled by h(t) = 125-5t². a. Determine the average rate of change between the third and fourth second of the laptop's flight. b. Estimate the rate at which the laptop hits the ground.
Part C. Use unit vectors to express the vector C, where C= 3.00A-4.00B. Express your answer in terms of i and j. Part D. Find the magnitude of C in meters. Part E. Find the direction of C in degrees.