Answered: On an essentially frictionless,…

On an essentially frictionless, horizontal ice rink, a skater moving at 4.0 m/s encounters a rough patch that reduces her speed by 44% due to a friction force that is 28% of her weight.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter9: Linear Momentum And Collisions

Section: Chapter Questions

Problem 41P: Two figure skaters are coasting in the same direction, with the leading skater moving at 5.5 m/s and...

See similar textbooks

Related questions

Q: What is a "hot Jupiter" Group of answer choices Exoplanets that are warmer than Jupiter. Exoplanet…

A: Hot jupiters are the planets which are similar and giants like jupiter but their orbital is very…

Q: Astronomers discover a distant star with a planet that orbits it in a 2.3 x 10^11 m radius circle.…

Q: What is the force constant of this spring? What magnitude force is needed to stretch the spring…

Q: par of air with a temperature of 288K and a pressure of 1000 hPa experiences isobaric (dp = 0)…

A: Given data: The initial temperature of the air T1=288 K Change in temperature of the air ∆T=5 K…

Q: Light with a wavelength of 646 nm passes through two slits and forms an interference pattern on a…

Q: Compare your measurement to the generally accepted value of g (from a textbook or other source).…

A: As we know the generally accepted value for acceleration due to gravity (g) is 9.8m/s2

Q: 7. A locomotive (6.4 x 105 kg) is used to pull two railway cars (Figure 11). Railway car 1 (5.0 x…

Q: A 2 meter tall man walks away from a 6 meter high lamp post at a rate of 1 meter/se find how fast…

A: Given Height of man, H = 2 meter Height of lamp, h = 6 meter Rate of , u = 1 meter/sec

Q: 3-44. When light of wavelength 450 nm is incident on potassium, photoelectrons with stopping…

Q: stion 4. In all electronic camera flashes, there is a capacitor, which is a device that allows large…

Q: You push your physics book 2.40 m along a horizontal tabletop with a horizontal push of 3.00 N while…

A: Given: Force applied on the book (F) = 3.00 N Force of friction (f) = 0.700 N…

Q: 2- Sketch is velocity of the cart with mass 400 g from rest pushed in the direction of the motion…

A: The data given in the statement of the question is: 1. The cart starts from rest, therefore, initial…

Q: 2. The velocity of a particle moving in a straight line is decreasing at the rate of 3 m/s per meter…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: A force of magnitude 7.50 N pushes three boxes with masses m₁ = 1.30 kg,m2 = 3.20 kg, and m3 = 4.90…

A: Given: The magnitude of the force that pushes three boxes is F = 7.5 N The mass of the first box is…

Q: A boat coasts under a bridge at a constant speed, and while moving under the bridge a large sack is…

A: conservation of momentum: if there are no external forces acting on the system then the linear…

Q: Current Attempt in Progress The hammer throw is a track-and-field event in which a 7.30-kg ball (the…

Q: hysics student is driving the string at the end at an angular frequency of 40.3 Hz. If the…

A: Given data: Angular frequency, ω=40.3 Hz Wavelength, λ=5 m

Q: A magnetic field of magnitude 0.55 T is directed vertically upward. (a) Find the magnetic flux…

A: Given data: Magnetic field (B) = 0.55 T, vertically upward Surface Area (A) = 23 cm2 Required: The…

Q: 17. A 5-kg rope that is 20 m long is woven to an 8-kg- rope that is 16 m long

Q: You want the final speed at the bottom of your roller coaster hill to be 26.8 m/s. What is the…

A: Given data: Final speed (v) = 26.8 m/s g = 9.8 m/s2 Required: The height (h)

Q: A factory worker pushes a 30.0 kg crate a distance of 3.7 m along a level floor at constant velocity…

Q: Calculate the speed (in m/s) of the following objects moving in a circle A 3,262 kg truck drives…

Q: A pickup truck is carrying a toolbox, but the rear gate of the truck is missing, so the box will…

Q: 2.00 m 66.4° A VO

Q: Suppose that someone in the Andromeda galaxy had a super-telescope through which they were looking…

A: They would see Earth as it was 2.5 million years ago .

Q: Two cars collide at an icy intersection and stick together afterward. The first car has a mass of…

A: Given data: The mass of the fast car m1=1300 kg The mass of the second car m2=750 kg The velocity of…

Q: 5-17x The wheelbarrow is being raised by the man. The diameter of the wheel is 0.3 m. The current…

A: For equilibrium the total horizontal force =0 And total vertical force = 0 Let the weight of the man…

Q: Communication satellites are placed in a circular orbit that is 2.73 x 106 m above the surface of…

Q: A basketball player is shooting some hoops, on one particular shot the ball leaves her hands 14.9m…

Q: 11.An astronaut on the planet Zircon tosses a rock horizontally with a speed of 6.95 m/s. The rock…

Q: A 3.00 kg box is suspended from the end of a light vertical rope. A time-dependent force is applied…

Q: A thin, semi-infinite wire with a constant linear charge density λ extends from −∞ 0. Find an…

Q: An astronaut is a short distance from her space station without a tether rope or jet pack. does have…

A: In space, there is vacuum, which means there is no gravity in space. According to Newtons third law…

Q: Using the graphical method, find the sum of the vectors in each number. Draw your vectors on a…

Q: 04.] The drawing shows a composite slab consisting of three materials through which heat is…

Q: energy to find the suitcase's coefficient of kinetic friction assuming that the local acceleration…

A: Given value--- mass = 12 kg. initial velocity = 2.45 m/s. final velocity = 0 m/s. distance = 1.45…

Q: 1. A driver with a visual acuity of 6/10 can just decipher a sign at a distance 6 m from a sign.…

Q: Thermodynamics describes b. an electrochemical gradient. loss through heat. increasing order d a…

A: Solution Wl thermodynamics describes the relation between the heat flow, work, internal energy,…

Q: 6. Two masses are attached by a massless string that is draped over a massless pulley. You can…

A: Draw the free-body diagram of block m2.

Q: 03.] A 22°C Day is warm, while a swimming pool at 22°C feels cool. Why?

Q: A thin walled, insulating, hollow cone has a uniform surface charge, and total charge of Q. The…

A: The speed of the electron when it hits the apex of the cone is given by The height of the cone h=5cm…

Q: A rock with mass 2 kg is thrown upwards with an initial speed of 19 m/s. Air resistance is to speed,…

Q: Compute the binding energy of the 7Li nucleus, whose experimentally determine mass is 7.016004 amu

A: Given , experimentally determine mass of lithium is MLi= 7.016004 amu Mass of proton Mp= 1.007276…

Q: If object B also has 24 J of kinetic energy, is it moving faster or slower than object A? Find the…

A: Given , Kinetic energy of object A is 24 J Mass of object A (mA)= M Mass of object B (mB)= M/4

Q: We worked a previous question on an adiabatic irreversible transition that had 0.0101 moles of gas…

Q: Two people, each with a mass of 70 kg, are wearing inline skates and are holding opposite ends of a…

Q: Three carts of masses m1 = 4.50 kg, m2 = 12.00 kg, and m3 = 3.00 kg move on a frictionless,…

Q: 1. Easy An airplane has a mass of 3.1 x 104 kg and takes off under the influence of a constant net…

Q: A crane cable is connected to a heavy crate. The crane lifts the crate from the ground, accelerating…

A: Let the tension be TLet the weight of crate be WLet the mass of crate be mAcceleration (a)= 0.33…

Q: The homework question is as follows: A howitzer fires a shell with a velocity of v0 at an angle Θ…

Question

100%

Use the work-energy theorem to find the length of this rough patch.

On an essentially frictionless, horizontal ice rink, a skater moving at 4.0 m/s encounters a
rough patch that reduces her speed by 44% due to a friction force that is 28% of her
weight.

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

You hold a slingshot at arms length, pull the light elastic band back to your chin, and release it to launch a pebble horizontally with speed 200 cm/s. With the same procedure, you fire a bean with speed 600 cm/s. What is the ratio of the mass of the bean to the mass of the pebble? (a) 19 (b) 13 (c) 1 (d) 3 (e) 9
Two figure skaters are coasting in the same direction, with the leading skater moving at 5.5 m/s and the trailing skating moving at 6.2 m/s. When the trailing skater catches up with the leading skater, he picks her up without applying any horizontal forces on his skates. If the trailing skater is 50 heavier than the 50-kg leading skater, what is their speed after he picks her up?
A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps grain directly down into the freight car. If the speed of the loaded freight car must not go below 3.0 m/s, what is the maximum mass of grain that it can accept?
A bloc k, of mass m is dropped from the fourth Moor of an office building and hits the sidewalk below at speed v. From what floor should the block be dropped to double that impact speed? (a) the sixth floor (b) the eighth floor (c) the tenth floor (d) the twelfth floor (e) the sixteenth floor
A 0.663-kg ball, initially moving with a speed of 3.09 m/s, bounces off a wall and then moves with a speed magnitude half of its original directed in the opposite direction. If the ball is in contact with the wall for 5.4 ms, what is the magnitude of the average force that the wall exerts on the ball? Express your answer in two decimal places, in Newtons.
18. Auto companies frequently tests the safety of the automobiles by putting them through crash tests to observe the integrity of the passenger compartment. If a 1000 kg car is sent down a cement wall with a speed of 14 m/s and the impact brings it to a stop in 8.00 x 10^-2 s, with what average force is it brought to rest? *Use g=9.8 a. 145 000 N b. 212 000 N c. 315 000 N d. 175 000 N e. 423 000 N
A baseball (m = 152 g) approaches a bat horizontally at a speed of 43.6 m/s (97.6 mi/h) and is hit straight back at a speed of 53.8 m/s (120 mi/h). If the ball is in contact with the bat for a time of 1.03 ms, what is the average force exerted on the ball by the bat? Neglect the weight of the bat, since it is so much less than the force of the bat. Choose the direction of the incoming ball as the positive direction. Number Type your answer here Units Choose your answer here
A ball with a mass of 0.45 kg is initially at rest on the ground. When the ball is hit by a mallet, the average force exerted on it is 270 N. If the ball's speed after being struck is 5.4 m/s, for what amount of time was the mallet in contact with the ball?
A baseball (m = 148 g) approaches a bat horizontally at a speed of 40.7 m/s (91.1 mi/h) and is hit straight back at a speed of 51.6 m/s (115 mi/h). If the ball is in contact with the bat for a time of 1.45 ms, what is the average force exerted on the ball by the bat? Neglect the weight of the bat, since it is so much less than the force of the bat. Choose the direction of the incoming ball as the positive direction.
An arrow of mass 40 g is shot horizontally into a bale of hay, striking the hay with a velocity of 50 m/s. It penetrates a depth of 25 cm before stopping. What is the average stopping force acting on the arrow? Group of answer choices: 360 N 45 N 180 N 200 N
A 75 kg fisherman in a 135 kg boat throws a pile of 0.80 kg rocks towards the shore. If he throws each rock with a speed of 15 m/s causing the boat to move, how many rocks must he throw per minute to maintain a constant average speed against a 5.0 N force of resistance?
A baseball has a mass of 0.140 kg, and it is pitched towards home plate at a speed of 48.0 m/s. Assume that the ball is pitched horizontally and that the ball is hit horizontally back in the opposite direction. If the bat exerts an average force of 9100 N for 2.80 ms, what is the final speed of the ball in m/s?