As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough patch '15.0 cm When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 15.0 cm that has a coefficient of kinetic friction H, = 0.690. Find h (in m) such that the block's speed after crossing the rough patch is 3.50 m/s. (Enter a number.)

As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough patch '15.0 cm When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 15.0 cm that has a coefficient of kinetic friction H, = 0.690. Find h (in m) such that the block's speed after crossing the rough patch is 3.50 m/s. (Enter a number.)

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 38P: A 100 — kg man is skiing across level ground at a speed of 8.0 m/s when he comes to the small slope...

See similar textbooks

Related questions

Q: If a rbus starts out at a height of 2 m moving at a velocity of 8 m/s, assuming no friction, what…

A: The kinematic equation for vertical motion is given by Where uy = Initial vertical velocity, vy =…

Q: A block of ice with mass 2.00 kg slides 1.35 m down an inclined plane that slopes downward at an…

Q: (a) A child slides down a water slide at an amusement park from an initial height h. The slide can…

A: Given, A child is sliding on a water slide

Q: A 50-kg skier with an initial speed of 13 m/s coasts up a 2.5-m-high rise as shown in the figure.…

Q: (4) Need to know the weight of the block to answer. (5) Need to know the coetficient of friction a,…

A: The equation for the work done is,

Q: A block of ice with mass 2.00 kgkg slides 0.935 mm down an inclined plane that slopes downward at an…

A: Given data: Mass of ice block is, m =2.00 kg . Sliding distance is, s =0.935 mm=0.935×10-3 m. Angle…

Q: The distance D (in feet) required for a moving vehicle to come to a complete stop on dry pavement is…

A: We use the kinematic relations to get the required relations and analyse the given case of how the…

Q: A 100−kg man is skiing across level ground at a speed of 0m/swhen he comes to the small slope 1.8 m…

A: (a) According to the conservation of energy, 12mv2=mgh12v2=ghv=2gh Substitute the values, to find…

Q: A 60.0-kg skier with an initial speed of 12.0 m/s coasts up a 2.50-m-high rise as shown. Find her…

Q: A block of ice with mass 2.00 kg slides 1.35 m down an inclined plane that slopes downward at an…

Q: A block of mass 6 kg is given a push so that it moves on a flat surface. After the push, it moves at…

Q: Bob drives a 3500kg truck off a cliff at an initial speed of 11m/s. The truck hit the bottom of the…

Q: A 95 kg sled with a Xmas gift box of 5 kg pushed up horizontal surface together against a spring…

A: Sled and Xmas gift travel together on the path “ABCDEF”. At Point “A” spring is compressed and at…

Q: 14. In the figure, a 4.0 kg block slides along a track from one level to a higher level after…

Q: surface that is frictionless except for a rough patch of width 15.0 cm that has a coefficient of…

Q: What is the final speed of the block after traveling a total distance of 500m given a coefficient of…

Q: As shown in the figure below, a 2.25-kg block is released from rest on a ramp of height h. When the…

A: mass of block= 2.25 kg Coefficient of Kinetic friction= μk=0.6 rough patch width, s= 15 cm or 0.15m

Q: MY NOTES ASK YOUR TEACH A daredevil on a motorcycle leaves the end of a ramp with a speed of 36.5…

Q: Problem 1: A60.0 kg skier with an initial speed of 13 m's coasts up a 2.50 m high rise as shown in…

Q: The speed of a crate traveling on a horizontal frictional surface changes from vi=13 m/s to vf=11.5…

Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h.
rough patch
15.0 cm
When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 15.0 cm that has a coefficient of kinetic friction u, = 0.690.
Find h (in m) such that the block's speed after crossing the rough patch is 3.50 m/s. (Enter a number.)
m

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

An electric scooter has a battery capable of supplying 120 Wh of energy. If friction forces and other losses account for 60.0% of the energy usage, what altitude change can a rider achieve when driving in hilly ter-rain if the rider and scooter have a combined weight of 890 N?
A 200-g steel ball is tied to a 2.00m “massless” string and hung from the ceiling to make a pendulum, and then, the ball is brought to a position making a 30 angle with the vertical direction and released from rest. Ignoring the effects of the air resistance, find the speed of the ball when the string (a) is vertically down, (b) makes an angle of 20 with the vertical and (c) makes an angle of 10 with the vertical.
In an iconic movie scene, Forrest Gump (https://openstaxcollege.org/l/21ForrGumpvid) runs around the country. If he is running at a constant speed of 3 m/s, would it take him more or less energy to run uphill or downhill and why?
As shown in Figure P7.20, a green bead of mass 25 g slides along a straight wire. The length of the wire from point to point is 0.600 m, and point is 0.200 in higher than point . A constant friction force of magnitude 0.025 0 N acts on the bead. (a) If the bead is released from rest at point , what is its speed at point ? (b) A red bead of mass 25 g slides along a curved wire, subject to a friction force with the same constant magnitude as that on the green bead. If the green and red beads are released simultaneously from rest at point , which bead reaches point first? Explain. Figure P7.20
If the net work done by external forces on a particle is zero, which of the following statements about the particle must be true? (a) Its velocity is zero. (b) Its velocity is decreased. (c) Its velocity is unchanged. (d) Its speed is unchanged. (e) More information is needed.
Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an archer pulls the bow back 50 cm and holds it in position with a force of 150 N. If the mass of the arrow is 50 g and the “spring” is massless, what is the speed of the arrow immediately after it leaves the bow?
“ E=K+Uconstant is a special case of the work energy theorem.” Discuss this statement.
(a) What is the power output in watts and horsepower of a 70.0-kg sprinter who accelerates from rest to 10.0 m/s in 3.00 s? (b) Considering the amount of power generated, do you think a well-trained athlete could do this repetitively for long periods of time?
A person in good physical condition can put out 100 W of useful power for several hours at a stretch, perhaps by pedaling a mechanism that drives an electric generator. Neglecting any problems of generator efficiency and practical considerations such as resting time: (a) How many people ‘would it take to nm a 4.O0-kW electric clothes dryer? (b) How many people would it take to replace a large electric power plant that generates 800 MW?
A particle of mass 4.0 kg is constrained to move along the x -axis under a single force F(x)=cx3 , where c=8.0N/m3 . The particle’s speed at A, where xA=1.0m , is 6.0 m/s. What is its speed at B, where xB=2.0m ?
Engineers desire to model the magnitude of the elastic force of a bungee cord using the equation F(x)=a[x+9m9m( 9m x+9m)2] , where x is the stretch of the cord along its length and a is a constant. If it takes 22.0 kJ of work to stretch the cord by 16.7 m, determine the value of the constant a .
Review. A bead slides without friction around a loop-the-loop (Fig. P7.3). The bead is released from rest at a height h = 3.50R. (a) What is its speed at point ? (b) How large is the normal force on the bead at point if its mass is 5.00 g? Figure P7.3