2. A sniper fired his gun horizontally from the top of a 70 m tall building with a vertical velocity of 350 m/s. If air resistance is negligible, how far from the base of the building will the bullet land?
2. A sniper fired his gun horizontally from the top of a 70 m tall building with a vertical velocity of 350 m/s. If air resistance is negligible, how far from the base of the building will the bullet land?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question
Pls help me answer number 2
![1. If a ball that is 40 meters above the ground is thrown horizontally at 4 meters per
second, how long will it take for the ball to hit the ground?
Given:
Solution:
2 dy
dy = 40 meters
Vz - 4 m/s
Voy -0 m/s
Required to Find:
dy = doy + Voy t -
-9
dy = doy + 0 –
2 dy
t=?
Diagram:
dy = 0 – 5gt?
dy = - 5gt?
2 (4, = - or)2
2 (40 m)
= t
|-(-9,8)
2 dy
- gt2
2.86 seconds ~ 3 seconds
-9
· 2. A sniper fired his gun horizontally from the top of a 70 m tall building with a
vertical velocity of 350 m/s. If air resistance is negligible, how far from the
base of the building will the bullet land?
3. An air support dropped a package from an airplane 340 m above the ground.
If there is no air resistance, how long will the package take to reach the
ground.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3cea46e8-d984-4066-a0da-ef0098b9392f%2F0b61b58e-6e37-4b4a-a17e-9dbf620e5b3b%2Fwxidskd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. If a ball that is 40 meters above the ground is thrown horizontally at 4 meters per
second, how long will it take for the ball to hit the ground?
Given:
Solution:
2 dy
dy = 40 meters
Vz - 4 m/s
Voy -0 m/s
Required to Find:
dy = doy + Voy t -
-9
dy = doy + 0 –
2 dy
t=?
Diagram:
dy = 0 – 5gt?
dy = - 5gt?
2 (4, = - or)2
2 (40 m)
= t
|-(-9,8)
2 dy
- gt2
2.86 seconds ~ 3 seconds
-9
· 2. A sniper fired his gun horizontally from the top of a 70 m tall building with a
vertical velocity of 350 m/s. If air resistance is negligible, how far from the
base of the building will the bullet land?
3. An air support dropped a package from an airplane 340 m above the ground.
If there is no air resistance, how long will the package take to reach the
ground.
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