A rock is dropped from rest from a height h above the ground. It falls and hits the ground with a speed of 11 m/s. From what height should the rock be dropped so that its speed on hitting the ground is 22 m/s? Neglect air resistance.

A rock is dropped from rest from a height h above the ground. It falls and hits the ground with a speed of 11 m/s. From what height should the rock be dropped so that its speed on hitting the ground is 22 m/s? Neglect air resistance.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 79AP: A ski jumper starts from rest 50.0 m above the ground on a frictionless track and flies off the...

See similar textbooks

Related questions

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

A: In this case, we can use projectile motion concept because the biker is subjected to no other force…

Q: A package with a mass of 50.0 kg slides down a smooth ramp with negligible friction. The package…

A: Using conservation of energy : initial potential energy = final kinetic energy mgH = (1/2) m (v)2…

Q: A package with a mass of 51.0 kg slides down a smooth ramp with negligible friction. The package…

Q: Gayle runs at a speed of 3.20 m/s and dives on a sled, initially at rest on the top of a…

Q: han on a motorcycle plans to make a jump as shown in the figure. e leaves the ramp with a speed of…

A: u = 32 m/s ux= 30.4m/s at max height

Q: A 14 kg penguin slides on its belly down an icy, frictionless glacier. If the penguin started from…

A: Write the given values of the problem- Mass=14 kg final speed(vf) vf=14 m/s

Q: Question 6. The skateboarder in the drawing starts down the left side of the ramp with an initial…

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

Q: "A car on a roller coaster starts at zero speed at an elevation above the ground of 26 m. It coasts…

Q: You toss a rock of mass m vertically upward. Air resistance can be neglected. The rock reaches a…

A: Let u denote the initial speed of the rock, h denote the maximum height, and g denote the…

Q: A 79.0-kg skier starts from rest from the top of a 50-m high slope. What is the speed of the skier…

A: Givenheight, h=50 mmass, m=79 kginitial speed, u=0we can use conservation of mechanical energy here…

Q: A bottle rocket is shot straight up in the air with a speed 30 m/s . If the air resistance is…

A: In ideal case , there is no air resistance acting on any moving object . But, in real situation ,…

Q: A kid on a bike goes from the bottom to the top of a 25 m hill. What minimum speed would the kid…

A: h=25 m.

Q: A package with a mass of 43.0 kg slides down a smooth ramp with negligible friction. The package…

Q: If he leaves the ramp with a speed of 29.5 m/s and has a speed of 27.7 m/s at the top of his…

A: Useful formula: Kinetic energy of an object with mass M & speed v is Ek=12Mv2 ...(1)…

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

A: Write the given values with suitable variables. u=39 m/sv=37.1 m/s Here, u denotes the initial speed…

Q: A ball is thrown straight up in the air with an initial speed of 10 m/s. Ignore air resistance and…

A: Initial speed = vi = 10 m/s Displacement = ( xf - xi ) = 5 m Acceleration due to gravity = a = g =…

Q: To enter the main pool at an amusement part, a swimmer uses a water slide which has a vertical…

Q: A box is thrown (at an unknown angle) with a speed of 17.8 m/s from the top of a 28.4 m high cliff.…

A: Initial speed (u) = 17.8 msThe height of cliff (h) = 28.4 m Let the mass of box = m

Q: A drop of water goes over a 250m waterfall at a speed of 6.7m/s. How far has the droplet fallen…

A: "Since you have asked multiple questions, as per instructions to us, we will solve the first…

Q: An object is thrown up from the height h0 with the speed 20 m/s. If the maximum height that the…

A: Given data The initial height is ho The maximum height is h1=30 m The initial speed is u=20 m/s The…

Q: - A small hockey lands 6.20 m from the bottom of th

A: Diagram is given as:

Q: a package with a mass of 58.0 kg slides down a smooth ramp with negligible friction. The package…

Q: A ball has a mass of 0.150 kg and is given an initial speed of 20.4 m/s. When the ball is at a…

Q: A girl jumps upward off a trampoline with a speed of 3.6 m/s. How high will she rise? Ignore air…

A: Given data: Initial velocity (u) = 3.6 m/s, upward Air resistance is negligible Required: The…

Q: A pebble is released from rest at a certain height and falls freely, reaching a speed of 4 m/s at…

A: Given : A pebble at rest u = 0 speed v = 4 m/s…

Q: A 67.0-kg skier starts from rest from the top of a 67-m high slope. What is the speed of the skier…

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with speed…

A: The given problem can be considered as a projectile motion. A projectile is the name given to any…

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

A: Given that - Initial velocity=v=28 msHorizontal component=vx=25.6 ms As we know, vx=vcosθ…

Q: What is the speed of the particle when it reaches x = 24.00 m.

A: The particle starts at x = 4 m. The mass of the particle is m = 4 kg. The initial velocity of the…

Q: pebble is released from rest at a certain height and falls freely, reaching an impact speed of 3 m/s…

A: Given data The impact speed of the one pebble on the floor is v = 3 m/s. The initial velocity of…

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

Q: An attacker at the base of a castle wall 4 m high throws a rock straight up with speed 7.5 m/s from…

Question

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 with 2 images

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

A rock is dropped from a height h above the ground. It falls and hits the ground with a speed of 11m/s. From what height should the rock be dropped so that its speed on hitting the ground is 22m/s? Neglect air resistance.
A pebble is released from rest at a certain height and falls freely, reaching an impact speed of 3 m/s at the floor. Next, the pebble is thrown down with an initial speed of 2 m/s from the same height. What is its speed at the floor?
A pebble is released from rest at a certain height and falls freely, reaching a speed of 4 m/s at the floor.Next, the pebble is thrown down with an initial speed of 3 m/s from the same height. What is its speed at thefloor? (a) 4 m/s (b) 5 m/s (c) 6 m/s (d) 7 m/s (e) 8 m/s
A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a speed of 30.5 m/s and has a speed of 29.0 m/s at the top of his trajectory, determine his maximum height (h) (in m) above the end of the ramp. Ignore friction and air resistance.
answer completely...asap
A 79.0-kg skier starts from rest from the top of a 50-m high slope. What is the speed of the skier on reaching the bottom of the slope? (Neglect friction.) m/s (round to the nearest tenth) Answer:
A 73.0-kg skier starts from rest from the top of a 49-m high slope. What is the speed of the skier on reaching the bottom of the slope? (Neglect friction.) Answer: m/s (round to the nearest tenth)
A drop of water goes over a 250m waterfall at a speed of 6.7m/s. How far has the droplet fallen after 4 seconds. I have been having trouble with this for a while and really need some help explains how to solve it. A teacher at my school helped and when I got back on the website I'm taking the class the answer we came up with wasn't a choice. The choices are 78.48m, 156.96m, 19.62m, and 125m. I would really appreciate the help and explanation on how to figure out the answer I have 8 more problems selling with similar things.
A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a speed of 30.0 m/s and has a speed of 28.4 m/s at the top of his trajectory, determine his maximum height (h) (in m) above the end of the ramp. Ignore friction and air resistance. ורו
An object is thrown up from the height h0 with the speed 20 m/s. If the maximum height that the object reached is 30m, find h0.
A ball has a mass of 0.150 kg and is given an initial speed of 20.4 m/s. When the ball is at a height of 15.3 m above the point it is thrown, what is its speed? Ignore air resistance.
A package with a mass of 50.0 kg slides down a smooth ramp with negligible friction. The package starts from rest and has a speed of 2.10m/s at the bottom. What is the height of the ramp (in m) ?