Answered: A boy on cliff 49m high drops a stone.…

A boy on cliff 49m high drops a stone. One second later, he throws a second stone after the first. They both hit the ground at the same time. With what speed did he throw the second stone?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter3: Accelerated Motion

Section3.3: Free Fall

Problem 43PP

See similar textbooks

Related questions

Q: You are watching the Olympics 2022 when a high jumper leaps into the air with an initial speed of…

A: Given value--- initial speed = 6.2 m/s. We have to find--- How high will she be at the top of her…

Q: A football quarterback runs 15.0 m straight down the playing field in 2.50 s. He is then hit and…

A: a) for first interval Vavg = s/t = 15/2.5 = 6 m/s For 2nd interval Vavg = -3/1.75 = -1.71 m/s…

Q: ) A bockey puck initially travelling to the right at 34 m/s is slowed down by rough ice at a rate of…

A: Initial velocity of puck (u) = 34 m/s (towards right) Acceleration (a) due to rough ice = - 2…

Q: A high jumper leaps into the air with an initial speed 6.1 m/s. How high in meters she be at the top…

Q: A paper ball pushed off the flat roof of a house at a speed of 2.5 m/s, covers the horizontal…

A: The time taken by the paper ball is

Q: A girl runs for a distance of 120 m at a speed of 6 m/s. How long does it take her to cover this…

Q: I drop a water balloon from my window 40m off the ground how long does it take to hit my neighbor?

A: Let us consider that the neighbor is standing on the ground and have a height of about 1m (it can be…

Q: When spiking a volleyball, a player changes the velocity of the ball from 4.6 m/s to -24 m/s along a…

Q: A jet plan lands with an acceleration of 5 m/s^2 as it comes to rest. From the instant it touches…

A: Newton 's motion equations : v = u + at S = ut + 1/2at² v²=…

Q: woman walks a distance of 504m, with an average speed of 1.4m/s. What time was required to walk this…

Q: At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 4.6…

A: Apply the kinematics formula, v=u+at At maximum height final velocity is zero that is v=0 and a=-g.…

Q: A ball was launched straight up with 32m/s. At what height is the object after 3s? 140 m 45 m 96 m…

A: Given data: Initial velocity (u) = 32 m/s Time (t) = 3 sec Need to determine the height of the ball…

Q: A giant boulder is traveling down a hill at a rate of 20 m/s. You are located 1 km away from the…

A: Given : Speed (v) = 20 m/s Distance (d) = 1 km = 1000 m

Q: A car enters the freeway with a speed of 8 m/s and accelerates uniformly for 3.5 km in 2.5 min. How…

A: Given data The speed of the car is u = 8 m/s. The distance traveled by car is S = 3.5 km. The time…

Q: A rocket accelerates from rest at a rate of 23.2 m/s? for exactly 1 minute. The rocket's speed after…

A: Acceleration of the rocket is a = 23.2 m/s2 Time of acceleration is T = 1 min = 60 sec Initial speed…

Q: A brick is dropped from rest from a height of 5.0 m. How long does it take for the brick to reach…

Q: On earth, a ball is thrown straight downward with an initial speed of 1 meter per second from a…

Q: A car starts from rest with a constant acceleration of 5 m/sec^2. The speed of the car at the end of…

A: Given: Initial velocity u = 0 Acceleration a = 5 ms2 Time t = 5 seconds. To determine: Speed v at…

Q: You toss a stone straight up and it comes back down in a total time of 6 s, what is the speed of the…

Q: If a bus traveling at 21 m/s is subjected to a steady deceleration of 3 m/s?. How long will it take…

A: Given data : Deceleration = a Final velocity = v…

Q: A motorist travels for 2 h at 80 km/h and 2 h at 100 km/h. What is her average speed for the trip? *

A: A motorist travels for 2 h at 80 km/h and 2 h at 100 km/h. What is her average speed for the trip?

Q: If a bus traveling at 42 m/s is subjected to a steady deceleration of 7m/s? . How long will it take…

A: Given data : Initial velocity = u Deceleration = a…

Q: A ball is thrown upward and passes a powerline that is 15 ft off the ground at times 0.5 s on the…

A: Given: The height of the ball thrown upwards=15ft=4.5m time on the way up t1=0.5s time on the way…

Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a…

A: The distance covered by the player is

Q: A motorist drives 100 km from one city to another in 2.80 h but makes the return trip in only 2.00…

A: The average speed of the total trip can be expressed as,

Q: You throw a ball straight up with an initial velocity of 15.9 m/s. On the way up it passes a tree…

A: Given: The initial velocity of ball is u=15.9 m/s During upward motion, ball passes a tree branch at…

Q: If a bus traveling at 21 m/s is subjected to a steady deceleration of 3 m/s? .How long will it take…

A: Given that The bus is traveling at(v)= 21m/s and which is subjected to a…

Q: On a distant planet, a baseball is released from rest at the top of a high cliff. Through what…

A: Solution: The displacement of the baseball as a freely falling body is given by the 2nd kinematics…

Q: A ball is thrown straight up with a speed of 20 m/s. How long does it take to return to its starting…

Q: A tennis ball is tossed vertically upwards and travels a distance of 6.5 m in 1.2 seconds. What was…

A: Given Distance = D = 6.5 m Time = T= 1.2 sec U =????? a =-g = -9.8 m/s²

Q: A boy jumps from rest, straight down from the top of a cliff. He falls halfway down to the water…

A: According to question we need to find that How much time passes during his entire trip from the top…

Q: A long-distance runner has an average speed of 2 m/s during a race. How far does the runner travel…

A: Average speed of runner = 2 m/s Time = 28 minutes

Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a…

A: given : speed of second player, v = 14.3 m/s initial speed of first player, u = 0…

Q: A 1050 kg car is traveling at a speed of 25 m/s when the driver sees that there is a tree across the…

Q: If a bus traveling at 30 m/s is subjected to a steady deceleration of 6 m/s? . How long will it take…

A: Given : The initial speed of the bus is 30 m/s The deacceleration of the bus is 6 m/s2. The final…

Q: (the complete question is in the picture) Which of the following best describes an instantaneous…

A: Instantaneous speed can be defined as the rate of change of distance. Mathematically given by:…

Q: Maria throws two stones from the top edge of a building with a speed of 1.2 × 10' m/s. The height of…

Q: While entering a freeway, a car accelerates from rest at a rate of 2.8 m/s2 for 14.5 s. How far does…

A: Given data: Initial velocity (Vi) = 0 m/s Acceleration (a) = 2.8 m/s2 Time (t) = 14.5 s Required:…

Q: A bicyclist accelerates at 0.89 m/s^2 during a 5s interval. If she started at 2.3m/s, what was the…

A: Initial speed of the cyclist is u=2.3 ms Acceleration of the cyclist is a=0.89 ms2 Acceleration time…

Q: A balloon is rising with a velocity of 2 m/s when a bag of sand is released. If the height at the…

Q: A ball is thrown straight up with an initial speed of 12 m/s. How high it can go?

A: Given value - For calculating maximum height, we will use following equation -

Q: Gretchen runs the first 4.0 km of a race at 5.0 m/s. Then a stiff wind comes up, so she runs the…

A: Given: The first distance travel is d=4 km. The speed of gun is v=5 m/s. The second distance travel…

Q: Maria throws two stones from the top edge of a building with a speed of 12 m/s. The height of the…

Q: A tortoise can run with a speed of 0.11 m/s, and a hare can run 20 times as fast. In a race, they…

Q: Car move with initial velocity 80 km/h, then the velocity increased to 110 * km/h after travels a…

A: Write the given values of the problem- Initial velocity(u) u=80 km/h Final velocity(v) v=110 km/h…

Q: Two stones are thrown vertically upward at the same time, one with an initial velocity of 32 ft/s…

A: If u be the initial velocity,a be the acceleration & d be the displacement within time t then…

Concept explainers

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

A boy on cliff 49m high drops a stone. One second later, he throws a second stone
after the first. They both hit the ground at the same time. With what speed did he
throw the second stone?

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

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

Compare the time in the air of a basketball player who jumps 1.0 m vertically off the floor with that of a player who jumps 0.3 m vertically.
While dusting a bookshelf at the local college's huge library, Jean accidentally knocks a book off of the shelf that is 2.53 meters high. Neglecting air resistance and assuming the book has an initial velocity of 0 m/s, what speed will the book have right before it hits the ground?
A baseball pitcher throws ball vertically, upward, and we measure that it reaches a maximum height of 68 m. A kid tries the same thing, but the ball leaves his hand at only half the speed of the pitcher's throw, how high does the ball go?
If a rocket with an initial velocity of 600 m/s Accelerates at 20 m/s2 for one minute, what will the speed be?
In a swimming race, Briana swam 50 meters in 40 seconds. What is her average speed?
While dusting a bookshelf at the local college's huge library, Jean accidentally knocks a book off of the shelf that is 3.48 meters high. Neglecting air resistance and assuming the book has an initial velocity of 0m / s , what speed will the book have right before it hits the ground?
Billy drops a watermelon from the top of a three-story building, 10 m above the sidewalk. How fast is the watermelon going when it hits?
Grant jumps 1.50 m straight up into the air to slam-dunk a basketball into the net. With what speed did he leave the floor?
If a ball is released from a window ledge, how fast will it be travelling when it reaches the ground, 46m below?
A rock is thrown straight up with a velocity of 40 m/s. Its velocity after 3 s would be
A hot-air balloon has just lifted off and is rising at the constantrate of 2.0 m>s. Suddenly one of the passengers realizes she hasleft her camera on the ground. A friend picks it up and tosses itstraight upward with an initial speed of 13 m>s. If the passengeris 2.5 m above her friend when the camera is tossed, how high isshe when the camera reaches her?