WBJkrpyzg/viewronQ2: *A device launches horizontally two identical balls (A and B) simultancously (at the sameinstant of time) from the same height h= 11.25m. If the initial speed of ball A is v A2m/s and the initial speed of ball B is v-4m/s, then:(g-10m/s*)Launch deviceB.A. Both balls (A and B) would hit the ground at the same time tB. Both balls (A and B) would hit the ground at the same time t = 2s.C. Both balls (A and B) would hit the ground at the same time t = 1.5s.D. Ball A would hit the ground after time t= 1s and ball B would hit the ground after time t = 2s.E. Ball A would hit the ground after time t= 2s and ball B would hit the ground after time t= 1.1s.BOcD.o 耳■

Name: WBJkrpyzg/viewronQ2: *A device launches horizontally two identical ba
Uploaded: 2024-03-20T06:57:47.000Z
Channel: Bartleby
Description: WBJkrpyzg/viewronQ2: *A device launches horizontally two identical balls (A and B) simultancously (at the sameinstant of time) from the same height h= 11.25m. If the initial speed of ball A is v A2m/s and the initial speed of ball B is v-4m/s, then:

initial vertical velocity of both the balls = 0 g = 10 m/s2

Science

Physics

A device launches horizontally two identical balls (A and B) simultancously (at the same instant of time) from the same height h =11.25m. If the initial speed of ball A is vA= 2m/s and the initial speed of ball B is v n-4m/s, then: (g 10m/s) %3D %3D Launch device A. Both balls (A and B) would hit the ground at the same time t 1s. B. Both balls (A and B) would hit the ground at the same time t 2s. C. Both balls (A and B) would hit the ground at the same time t 1.5s. D. Ball A would hit the ground after time t 1s and ball B would hit the ground after time t = 2s. E. Ball A would hit the ground after time t = 2s and ball B would hit the ground after time t 1s.

A device launches horizontally two identical balls (A and B) simultancously (at the same instant of time) from the same height h =11.25m. If the initial speed of ball A is vA= 2m/s and the initial speed of ball B is v n-4m/s, then: (g 10m/s) %3D %3D Launch device A. Both balls (A and B) would hit the ground at the same time t 1s. B. Both balls (A and B) would hit the ground at the same time t 2s. C. Both balls (A and B) would hit the ground at the same time t 1.5s. D. Ball A would hit the ground after time t 1s and ball B would hit the ground after time t = 2s. E. Ball A would hit the ground after time t = 2s and ball B would hit the ground after time t 1s.

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)...

See similar textbooks

Similar questions

Daniel takes his two dogs, Pauli the Pointer and Newton the Newfoundland, out to a field and lets them loose to exercise. Both dogs sprint away in different directions while Daniel stands still. From Daniel's point of view, Newton runs due north at 4.15 m/s, but from Pauli's point of view, Newton appears to be moving at 1.50 m/s due east. What is Pauli's velocity relative to Daniel, ?⃗PD? Give your answer in unit vector notation, where north is taken to be the positive ?-direction and east is the positive ?-direction. ?⃗PD=?ı̂+?ȷ̂ ?=??? m/s ?=???? m/s Next, express your answer as a magnitude and an angle measured counterclockwise from due east. magnitude=??? m/s angle=??? ∘ counterclockwise from due east
Problem 1 A cannon ball on the ground is fired at 35 with an initial velocity of 250 m/s. a. How long will it take to hit the ground? b. How far from the cannon ball will it hit the ground? c. Compute for maximum height to be reached by the cannon ball. Given: V. - 250 m/s 35 g- 9.8" Solution: a. The time of flight of the cannon ball 2v, sin 500m/s(sin 35°) 500m/s(0.57) _ 28Sm/s = 29.08s 9.8m/x 9.8m/s 9.8m/s b. The range of the cannon ball v, sin 0 (250m/s) 2 sin 35° 62500m2/s 2(0.57) 9.8m/s R 9.8m/ s 62.500m /s(0.9397) 58,730.79m /s? 9.8m/s 5,992.94m 9.8m/s c. The maximum height that the cannon ball reached v sin 0 (250m/s)²(sin 35")(sin35") 62.500m /s²(0.57) 2(9.8m/s) Утах 28 19.6m/s 62,500m² /s²(0.32899 20,561.87m /s- 1,049.08m 19.6m/s 19.6m/s This time, it's your turn to solve the next problem. Problem 2 An arrow is launched at a velocity of 20 m/s in a direction making an angle of 25° upward with the horizontal. 10 a. How long will it take to hit the ground? b. How far from the…
Two people stand across from one another at the top edges of identical buildings, 50 meters above the ground. One person throws a rock straight upwards with an initial speed of 15 m/s, while the other person throws their rock straight downwards with an initial speed of 15 m/s. If both of the rocks miss the building and continue down to the street, a. How long will it take for the rock thrown upwards to reach the ground? b. How long will it take for the rock thrown downwards to reach the ground? c. How fast will the upward thrown rock be travelling just before it hits the ground? The downward thrown rock?
A team at SQU fires a rocket beside the college of science from rest at an angle 30° and accelerates at 30 m/s² for 3.0 s. The engine shuts off at a height 202.5 m above the ground. a) Calculate the speed of the rocket after 3s. b) At what time after t =0 will the maximum height be reached? c) What maximum height will the rocket reach?
My Courses Log ou 14. Jun throws a stone straight upward alongside a tree with an initial velocity of 32 ft/sec. The stone rises until it is even with the top of the tree and then falls back to the ground. How tall is the tree? A. 16 ft В. 20 ft C. 32 ft D. 64 ft 15. Which of the following statements is/are false? I. A particle moves to the right of the origin when its velocity is positive. II. A particle is not moving when its acceleration is zero. III. A particle's speed is decreasing when its velocity and acceleration have opposite directions. A. I only B. II only C. II and III D. I and III 16. A dynamite blast blows a heavy rock straight up with a launch velocity of 160 ft/sec. It reaches a height of s=16ot -16t2 aftert sec. How high does the rock go? A. 350 ft В. 400 ft C. 450 ft D. 475 ft
Two students are on a balcony 19.6 m above the street. One student throws a ball vertically downward with a speed of 14.7 m/s. At the same instant, the other student throws a ball vertically upward at the same speed. The second ball just misses the balcony on the way down.a.) What is the difference in the time the balls spend in the air?b.) What is the velocity of each ball just before striking the ground?c.) How far apart are the balls 0.800 s after they are thrown?
A person in the passenger basket of a hot-air balloon throws a ball horizontally outward from the basket with speed 10 m/s a. What initial velocity (magnitude and direction) does the ball have relative to a person standing on the ground if the hot-air balloon is rising at 5.0 m/sm/s relative to the ground during this throw? b. Express your answer to three significant figures and include the appropriate units. c. What initial velocity (magnitude and direction) does the ball have relative to a person standing on the ground if the hot-air balloon is descending at 5.0 m/sm/srelative to the ground? d. Express your answer to three significant figures and include the appropriate units.
A projectile is launched at an angle of 20° above the horizontal with a launch velocity of 25 m/s.a.) What is the maximum height reached by the object? b.) What is the total flight time (between launch and touching the ground) of the object? c.) What is the horizontal range (maximum x above ground) of the object?
A ball is thrown vertically upward from the surface of the earth. Consider the following quantities: (1) the magnitude of the velocity of the ball; (2) the velocity of the ball; (3) the acceleration of the ball. Which of these is (are) zero when the ball has reached the maximum height? a. 1 only b. 1 and 2 only O c. 1 and 3 only O d. 2 only e. 1, 2, and 3
Alice shoots a pebble horizontally with her slingshot from a window that is at a height H and it lands a distance D away from the building. She then shoots a pebble with the same initial velocity from a different window, but this time the pebble lands a distance D/2 away. How high is the window from which Alice takes the second shot? A. 4H B. 2H C. H D. H/2 E. H/4
Free Fall. Allan is on the ground YA,0 = 0 [m], and Bob is directly above him at YB,0 = 172.[m]. Bob drops a cannonball at the same time Allan shoots a similar cannonball directly upward. Allan’s cannonball was launched with enough speed so that both cannonballs will collide just as Allan’s cannonball reached its maximum height. What is the initial speed of Allan's cannonball ?
You throw a ball with a speed of 25.0 m/s at an angle of 40.0• above the horizontal directly toward a wall, as shown in the Figure. The wall is 22.0 m away from the release point of the ball. a. How long does the ball take to reach the wall? b. How high above the release point does the ball hit to the wall? 25.0 m/s c. What is the velocity when it hits the wall? 40° 22.0 m