8) At a certain instant, a ball is thrown downward with a velocity of 8.0 m/s from a height of 40 m. At the same instant, another ball is thrown upward from ground level directly in line with the first ball with a velocity of 12 m/s. a) Find the time when the balls collide. b) Find the height at which they collide. c) In what direction the second ball is traveling when they collide.

8) At a certain instant, a ball is thrown downward with a velocity of 8.0 m/s from a height of 40 m. At the same instant, another ball is thrown upward from ground level directly in line with the first ball with a velocity of 12 m/s. a) Find the time when the balls collide. b) Find the height at which they collide. c) In what direction the second ball is traveling when they collide.

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

Related questions

Q: 1. Cars A and B are traveling respectively at the constant speeds of (v₁), = 22 mi/h and (VB) = 13…

A: Relative velocity: The relative velocity () of object relative to object is given by the…

Q: 2) An object starts from rest and travels at a speed of 5m/s for the first 5 seconds. It then rests…

A: Speed = distance /time Distance = speed × time Average speed = total distance travelled /total…

Q: 1. Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A distance of 60 meters separates two jetskis at Virginia Beach. Starting at rest, the jetskis…

A: Distance between the jet skis, D = 60 m As both jet skis start from the rest and accelerate at a…

Q: The basketball bounces straight back up off the ground and reaches a maximum height of 4.00m.…

Q: Consider two objects that are thrown upwards at an angle (0 = 35°) above the horizontal. Object 1 is…

A: Given: Projection angle θ=35o Initial velocity of object 1 v1 = 10 m/s. Initial velocity of object 2…

Q: A ball is thrown straight up at time t=0 with an initial speed of 15 m/s. Take the point of release…

A: Given data: The initial speed is u=15 m/s. The initial displacement is y0=0.

Q: Bartholomew jogs from home at 3.50 m/s north for 1380 seconds. Then, he turns around and jogs 2.40…

A: Given: The jogger jogs from home at 3.50 m/s north for 1380 seconds. The jogger then turns around…

Q: Problem 5 A tennis ball is thrown directly downward at the edge of a vertical cliff. The position…

Q: A swimmer heading directly across a river 400 m wide reaches the opposite bank in 3 min 20 s. She is…

Q: Ball 1 is dropped from a building of height h at the same instant that ball 2 is thrown verti- cally…

Q: Two hockey players are skating towards each other. They are 50.0 m apart. The first is…

A: The velocity of first player, v1, at any time t can be given using the equation of motion as,…

Q: 2. A student throws a set of keys vertically upward to his fraternity brother, who is in a window 4…

A: Height of window above ground (h) = 4 m time taken (t) = 1.50 seconds

Q: A person, standing on the top of a 50 m high building, throws two stones vertically downward 1.00…

A: Given data The height of the building is given as s = 50 m. The difference in the throwing of stone…

Q: Near the end of a marathon race, the first two runners are separated by a distance of 65.0 m. The…

A: Relative velocity: The velocity of an object in relation to another observer is known as its…

Q: c) The graph below is a graph of position versus time. Use this graph to create a graph of velocity…

A: Given: Position & time graph.

Q: While entering a freeway, a car accelerates from rest at a rate of 2.40 m/s2 for 12.0 s. (a) Draw a…

A: Given Initial velocity u = 0 Acceleration a = 2.4 m/s2 time taken t =12 sec

Q: Two objects flies towards each other. When the distance between them is 1.3 km their velocities and…

A: Given Data The velocity of object A is:VA=53 m/s The velocity of object B is:VB=17 m/s The…

Q: An object moving with uniform acceleration has a velocity of 11.0 cm/s in the positive x-direction…

Q: 20 m from each 5) Objects A and B are initially at rest at a distance to other. At some point, the…

Q: Two trains are passing each other on adjacent tracks. Train A is moving west with a speed of 24 m/s,…

A: Let east is positive direction and west is negative direction

Q: A driver, driving at a constant speed of 30m/s in a 50 mph zone, is unaware that he is being…

Q: Using a calculator, determine a) when is the object at rest? b) where is the object at rest?…

A: A particle travels on a number line wit position given as, st=t2 cos t ...(1) The interval is 0, 2π…

Question

8) At a certain instant, a ball is thrown downward with a velocity of 8.0 m/s from a height
of 40 m. At the same instant, another ball is thrown upward from ground level directly in
line with the first ball with a velocity of 12 m/s.
a) Find the time when the balls collide.
b) Find the height at which they collide.
c) In what direction the second ball is traveling when they collide.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Near the end of a marathon race, the first two runners are separated by a distance of 45.6 m. The front runner has a velocity of 3.2 m/s, and the second a velocity of 4.95 m/s. a) What is the velocity of the second runner relative to the first, in meters per second? b) How many seconds earlier will the second runner reach the finish line if the front runner is 250 m from the finish line in seconds? c) What distance ahead, in meters, will the second runner be when she crosses the finish line? please answer all parts
A ball is thrown upward with an initial velocity of 11 m/s. The approximate value of g = 10 m/s2. Take the upward direction to be positive. What is the magnitude and the direction of the velocity of the ball 1 second after it is thrown? The magnitude of the velocity is ____m/s, and the motion is A) Upward B) Downward
You drive 109 km/h east for 31 min, then 82 km/h north for 42 min Let the +x-axis point east and the +y-axis north. A) Find your average velocity for the entire trip. B) Find your average speed for the entire trip.
1) The motions of a car and a motorbike along a straight road are described by the velocity vs time graph provided below. The two vehicles are initially alongside each other at time t=0 s. The motorbike’s speed is 18.1 m/s and the time T is 59.9 s. a) what distance has the motorbike travelled between 0 and T (in km)? b) What distance has the car traveled between 0 and T (in km)? 2) Which of these statements is true? a. At T, the car and motorbike are at the same location. b. the acceleration of the car is constant between 0 and T c. the acceleration of the motorbike is 0 d. the acceleration of the car is 0 3) a)What is the car's average speed for the first T seconds? (in m/s) b) What is the motorbike's average speed for the first T seconds (in m/s)
4. A car is driving at a speed of 25 m/s on a horizontal road. Determine the minimum distance in whichthe car will stop in each of the following cases.A. On a rainy day where µS = 0.125.B. On a sunny day where µS = 0.650.
A ball is tossed with a speed of 7.0 m/s at an angle of 40 degrees above the horizontal from an initial horizontal position of x = 0.0 m, and y = 1.2 m. a) Find the horizontal and vertical components of the initial velocity of the ball. b)Find the time, horizontal position, and vertical position of the ball when it reaches its highest height. c) Find the time and horizontal position of the ball when it lands on the ground at y = 0.0.
A train is moving eastward with a speed of 80 km/h, while a car is moving westward with a speed of 60 km/h on the same track. What is the relative velocity of the car with respect to the train? A) 20 km/h eastward B) 140 km/h westward C) 140 km/h eastward D) 20 km/h westward
You shoot an arrow into the air at an initial velocity of 22.5 m/s at an angle of 40 degrees. a) Find the maximum height the arrow reaches in the air. b) Find the time it takes to reach its maximum height. c) Find the time it takes to hit the ground. Assume its flight in the air is symmetrical, with the first half of flight traveling upward, and the 2nd half of the flight traveling downward. Assume no air resistance. d) Find how far away it hits the ground.
A distance of 60 meters separates two jetskis at Virginia Beach. Starting at rest, the jetskis accelerate at a constant rate of 0.2 m/s2 towards each other.Starting at a midpoint between the two jetskis, a porpoise is seen swimming from one jetski to the other at a constant speed of 16 m/s. The porpoise continues swimming back and forth between the jetskis until they crash together.a) What is the total distance the porpoise travelled? b) what is the speed of the jetskis when they crash together?
An object is thrown downwards with a speed of 1.00 m/s from a height of 8.00 m. Determine the initial velocity another object has to be thrown upwards so they both collide at an altitude of 5.00 m from the ground
2A) starts from rest and accelerates continuously at a rate of 4.14 m/s² when the rocket is lit, what is the velocity (both magnitude and direction) of the toy car when it reaches the edge of the cliff? Suppose you place your toy car on flat ground 7.30 m away from a tall cliff. If your toy car