Compute the magnitude of the force of friction

Assignment Help Physics
Reference no: EM13544422

Suppose a slide similar to Der Stuka is 38.8 meters high, but is a straight slope, inclined at 45° with respect to the horizontal.

(a) Find the speed of a 56.4 kg thrill seeker at the bottom of the slide, assuming no friction.

____

(b) If the thrill seeker has a speed of 24.6 m/s at the bottom, find the change in mechanical energy due to friction.

____J

(c) Find the magnitude of the force of friction, assumed constant.

____N

Reference no: EM13544422

Questions Cloud

What are the amplitudes of each the two seperate modes : A room has two opposing walls which are tiled. The remainingwalls, floor, and ceiling are lined with sound-absorbent material. What are the amplitudes of each the two seperate modes
Determine what is the theoretical maximum efficiency : Converting sunlight to electricity with solar cells has an efficiency of 15%. It's possible to achieve a higher efficiency (though currently at higher cost) by using concentrated sunlight as the hot reservoir of a heat engine. What is the theoreti..
Explain what is oxidation-reduction reaction : What is oxidation-reduction reaction. Balance the reaction between potassium permanganate with oxalic acid in the presence of excess sulfuric acid. What is normality. What is the normality of 1M H2SO4 solution.
Evaluate the concentration of each substance : Calculate the concentration of each substance when mixing 40.0 mL of 0.1 M CH3COOH and 10.0 mL of 0.1 M CH3COONa
Compute the magnitude of the force of friction : Suppose a slide similar to Der Stuka is 38.8 meters high, but is a straight slope, inclined at 45° with respect to the horizontal. Find the magnitude of the force of friction
Compute what is the height of the final image : A converging lens with a focal length of 17.9 cm and a diverging lens are placed 26.0 cm apart, with the converging lens on the left. What is the height of the final image
Evaluate the heat released and delta h of vaporization : Calculate the heat released when 72.0g of steam at 131C is converted to water at 44.0C. Assume that the specific heat of water is 4.184J/gC, the specific heat of steam is 1.99J/gC and delta H of vaporization is 40.79kJ/mol for water.
Average force of contact between the club and the ball : A professional golfer is examining a video of a practice swing. The high-speed footage shows that his club is in contact with the ball (which was initially at rest on the tee) for only 0.471 milliseconds, and the radar gun clocks the speed of the ..
Determine how far will the boat move : Two people, one of mass 75 and the other of mass 65 , sit in a rowboat of mass 89. How far will the boat move

Reviews

Write a Review

Physics Questions & Answers

  Find speed would this potential difference give to protons

An X-ray tube is similar to a cathode-ray tube. Electrons are accelerated to high speeds at one end of the tube. What speed would this potential difference give to protons

  Find the net force and torque on the rectangular loop

A rectangular loop is 1.2 m wide and 0.80 m tall and carries 0.50 A of current clockwise. Find the net force and torque on the rectangular loop

  Calculate n (the total number of resistors)

An electric water heater operates at 66 A and 16 kilowatts, Calculate N (the total number of resistors) and the cost of manufacturing the heating element if in a pack of 100 resistors cost $0.50

  Find the constant speed of the stone

The centripital force of 45N is required to resolve a stone of mass 100g along a circular path of radius 50cm. Find the constant speed of the stone

  Find what is the applied voltage

three resistors 2,6,and 12 are in parallel connected across a dc voltage source of the total current through this circuit is 2.0A, what is the applied voltage

  Q1 over a 30-day period a power plant generates an average

q1. over a 30-day period a power plant generates an average of 751 mw of electrical power and 1225 mw of waste heat and

  How fast will the shell be traveling

A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How fast will the shell be traveling when it hits the ground

  Calculate the wave speed in the string

Transverse waves with a speed of 59.0 m/s are to be produced on a stretched string. A 4.95-m length of string with a total mass of 0.0600 kg is used. (a) What is the required tension in the string? N (b) Calculate the wave speed in the string if t..

  What is the mass of the second block

A 0.61 kg block is hung from and stretches a spring that is attached to the ceiling. What is the mass of the second block

  How large is the horizontal component of the force

A vertical scale on a spring balance reads from 0 to 245 rm{N}. The scale has the length of 11.0 rm{cm} from the 0 to 245 rm{N} reading. A fish hanging from bottom of the spring oscillates vertically at a frequency of 3.00 rm{Hz}.Ignoring the mass..

  Fraction of total mass is lost as electron binds to proton

From the difference in mass of a hydrogen atom (Appendix B) to the mass of a proton and an electron (Table 1.5), estimate the binding energy of the electron in the hydrogen atom. Compare this to the ionization energy of the ground state electron a..

  Calculate the thickness of the oil film

A glass plate (n= 1.61) is covered with a thin, uniform layer of oil (n=1.16). A light beam of variable wavelength is normally incident from air onto the oil surface. calculate the thickness of the oil film

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd