Kinetic energy(Ex) is energy an object has because ofv has kinetic energy, Ex =mv².%3DPotential energy (U) is energy associated with forces that depend on the position or configuraof bodies.Gravitational potential energy is given by, U, = mgh where h is the height of the object of nm above a given reference point.Elastic potential energy is given by, Uet =kx2 for a stretched or compressed spring, wherethe displacement from the unstretched position and k is the spring's constant.%3DЕxample 1A 145 g baseball is thrown vertically up with a speed of 25 m/s.a) What is its initial kinetic energy? Ob) Using the equations of motion, determine the maximum height reached by the baseball.c) What is its gravitational potential energy at the maximum height?Example 2A horizontal spring, whose spring constant is 900 N/m, is attached to a wall as shown in Fig,70A block is then pressed against the spring and is compressed 6.0 cm as shown in Fig.7 (b).(a)X = -6.0cm0000(b)

Answered: Image /qna-images/answer/0416bf66-ce91-4340-8331-dd0f25619692.jpg

145 g baseball is thrown vertically up with a speed of 25 m/s. What is its initial kinetic energy? o Using the equations of motion, determine the maximum height reached by the baseball. What is its gravitational potential energy at the maximum height?

145 g baseball is thrown vertically up with a speed of 25 m/s. What is its initial kinetic energy? o Using the equations of motion, determine the maximum height reached by the baseball. What is its gravitational potential energy at the maximum height?

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: The mass of block A is 5 kg and the mass of block B is 3 kg. Released from rest, the block B moves…

Q: An object is placed 65 cm from a glass lens (n = 1.52) with one concave surface of radius 23.0 cm…

Q: The friction and air resistance were ignored in part A, but the normal force was not. Why it is true…

Q: Given two forces F₁ = (2y + 8xy³)i + (2x+ 12x²y²)ĵ, F₂ = (y - 2z)i + 3xj (1) Determine whether or…

A: are the two forces.

Q: Every year, there is a foot race to the top of the Empire State Building. The vertical distance…

A: The power is the rate of doing of work and it is given by- where the work done is the product…

Q: A student builds a roller coaster as shown. The heights of the points are A= 4 m B= 0.8 m C= 0 m.…

Q: The world's fastest humans can reach speeds of about 11 m/s. n order to increase his gravitational…

A: The world's fastest humans can reach speeds of about 11 m/s. So speed of humans , v=11 m/s Find: -…

Q: The box has a mass m = 11.2 kg and was lowered a height h = 41.7 cm. While the box was moving, the…

A: Given: m = 11.2 kg h = 41.7 cm = 0.417 m

Q: A 13.0 kg stone slides down a snow-covered hill (Figure 1), leaving point A at a speed of 12.0 m/s.…

A: Given : Mass of stone, m= 13 kgInitial speed vi=12.0 m/sDistance , d = 100.0 mInitial height, h = 20…

Q: A 1200 kg car starts from rest and travels 100 m in a time of 10 seconds. m A) What is the…

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

Q: A 1000 kg roller coaster car stays at point A of height H=50.0m and slides down the smooth track and…

Q: the figure, a frictionless roller coaster car of mass m = 826 kg tops the first hill with speed vo -…

Q: A balloon of mass M lifts a small rock of mass m from its resting position on the ground to an…

A: M= mass of the baloonm= mass of the rockFo=upward force exerted by the baloon on the rockH= altitude…

Q: B U(x) = A 6-kg particle moves in a region of space where its potential energy is + with a = -4.9…

A: Given data- Mass m=6 kg Potential energy U(x)= (a/x) + (B/x2) a=-4.9 J.m , B=2.1 J.m2…

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given(s): Mass of the box, m=4.0 kg Height raised, h=4 m Moving at a constant speed of 5.0 m/s.…

Q: My sister Sara is pulling a box along a horizontal surface with the force F inclined at an angle 0…

A: To find : True or false - work done by force of gravity is zero

Q: A 70.00 kg jumper leaves the ground with a vertical velocity of 5 m/s. b.) What is his max potential…

A: The mass of the jumper is m = 70 kg. The vertical velocity of the jumper is v = 5m/s.

Q: A 1200 kg car starts from rest and travels 100 m in a time of 10 seconds. m A) What is the…

A: Answer:- Given Mass of a car ( m) = 1200 kg Distance travelled (S) = 100 m Time (t) = 10 s…

Q: A student pushes a baseball of m = 0.15kg down onto the top of a vertical spring that has its lower…

Q: Component Method: With your calculator, determine the x and y components of F1 and F2. Remember that…

A: Given,F1 = 3.43 NF2 = 2.45 NNote: Taking the direction CCW from positive x axis,θ1 =30°θ2 =130°For…

Q: Hockey puck A has half the mass of hockey puck B. Starting from rest, both pucks are pulled the same…

A: Given: mB=2mATB=TA∆xA=∆xB

Q: What is the gravitational potential energy of a ball with a weight of 69 N when it is sitting on a…

A: Consider the formula for the gravitational potential energy is, P=mgh Here, m is the mass of the…

Q: ational Potential Energy A skier starts from rest at the top of a frictionless incline of height…

A: at point A, height = hA= 20m speed at point A = VA=0m/s at point B, height = hB= 0 m

Q: A particle of mass m moves along the x-axis. Its potential energy at any point x is, V(x) =…

A: Given:particle of mass mhas potential energyV(x) = Vox2e-x2 here Vo is constantAsked:a. Find…

Q: An object with mass 2 kg moves from a location m near the Earth's surface to location m. What is…

A: Mass of object, m = 2 kg Initial location: <22, 21, -41> Final location: <-27, 11, 48>…

Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 33.2 m/s as in the figure…

A: The initial speed of the motorcycle when it leaves the ramp is 33.2m/s. The speed of the motor…

Q: a. Suppose that F is an inverse square force field, that is, F (r) = cr for some constant c, where r…

A: From the given inverse square force field,

Question

100%

Kinetic energy(Ex) is energy an object has because of
v has kinetic energy, Ex =mv².
%3D
Potential energy (U) is energy associated with forces that depend on the position or configura
of bodies.
Gravitational potential energy is given by, U, = mgh where h is the height of the object of n
m above a given reference point.
Elastic potential energy is given by, Uet =kx2 for a stretched or compressed spring, where
the displacement from the unstretched position and k is the spring's constant.
%3D
Еxample 1
A 145 g baseball is thrown vertically up with a speed of 25 m/s.
a) What is its initial kinetic energy? O
b) Using the equations of motion, determine the maximum height reached by the baseball.
c) What is its gravitational potential energy at the maximum height?
Example 2
A horizontal spring, whose spring constant is 900 N/m, is attached to a wall as shown in Fig,70
A block is then pressed against the spring and is compressed 6.0 cm as shown in Fig.7 (b).
(a)
X = -6.0cm
0000
(b)

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

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 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

There is trampoline which is connected to spring on the bottom. The spring constant is 1000 N/m. You are holding a mass of 27 kg at 5.0 m above the top of the trampoline.a.Calculate the potential energy of the mass with respect to the trampoline top. b. Now you decide to drop the mass to the trampoline, calculate velocity when it hits the trampoline? C If trampoline spring compresses 9 cm down, calculate the spring potential energy?
e A mass of 8.6 kg is lifted from the ground using a power of 72.8 W in 22.2 seconds. To what height was the mass lifted? Answer: Next page
A A parent pulls a child in a wagon at a constant speed, exerting a force of F = 55N at an angle of 30° with respect to the horizontal sidewalk. (a) How much work do they do, if they pull the wagon for a distance of 30m? (b) What is the force of friction on the wagon?
Wile E. Coyote waits for the roadrunner on a cliff 7.03 m above the valley to drop a 3250 g boulder. How much potential energy does the boulder have? A J
A crate with mass m = 33.3 kg being pushed up an incline that makes an angle φ = 22.7 degrees with horizontal. The pushing force is horizontal, with magnitude P, and the coefficient of kinetic friction between the crate and the incline is μ = 0.358. Consider the work done on the crate as it moves a distance d = 5.32 m at constant speed. a. What is work done by the pushing force, in joules? b. What is the work done by friction, in joules? c. What is the work done by gravity, in joules? d. What is the net work, in joules?
a spring has a spring constant k of 140n/m. a 150 g block is placed against the spring and compressed 16 cm. a0 when the block is released how high up the slope does it rise? b) what is the kinetic energy at the highest point? c) what is the potential energy at the highest point.
Constructed Response 1 Jim is lying on his back on the ground throwing a ball in the air and catching it. There is a balcony 10 meters above his head onto which he is trying to land the ball. On his last throw the ball lands on the balcony. The graph below shows the potential and kinetic energy of the ball from when it left Jim's hand to when it landed on the balcony. ★ Graivational Potential energy A Kinetic energy 200 180 160 140 120 100 80 60 40 20 0. 0. 4 9. 10 Height (m) 8. 2. Energy (J)
A child of mass m = 16 kg slides down a slide of height h = 2.7 m without friction. Let gravitational potential energy be zero at ground level. a)Write an expression for the child's total mechanical energy, E, at the top of the slide, in terms of the variables in the problem and the acceleration due to gravity g. b)Calculate the change in the child's potential energy, ΔU in joules, from the top to the bottom of the slide at ground level (i.e. ΔU = Uground - Utop). c)What is the child's final speed, vf in m/s?
H, Please explain and answer this question for me:thank you! Why does the shape of the ramp not affect the Total Energy in the non-friction case and Why does the shape of the ramp affect the Total Energy in the friction case?
A 8.67 kg8.67 kg particle is subjected to only conservative forces, and its potential energy diagram is shown. Between points G and K, at what location is the particle moving the fastest? J G K The particle is moving at the same speed at all of the points listed here. I H At point D, the particle has a speed of 14.1 m/s.14.1 m/s. What is the maximum speed ?maxvmax achieved by the particle between points G and K? Assume the points on the graph can be determined to three significant digits. Therefore, the calculated value for maximum speed should contain three significant digits.
Consider a system of a cliff diver and the earth. The gravitational potential energy of the system decreases by 23,000 J as the diver drops to the water from a height of 44.0 m. Determine her weight in newtons. N
Please send me the question in 20 minutes it's very urgent plz