What speed is no friction required

Assignment Help Physics
Reference no: EM13565035

A car is traveling down around a banked curve in the road. Thecurve has a radius of 300 m and is banked at an angle of10.0o. (a) At what speed is no friction required? (b)Suppose it is snowing and the coefficient of friction is 0.2, what are the maximum and minimum speeds at which the curve can be traveled?

Reference no: EM13565035

Questions Cloud

Phase angle between the current and voltage of the generator : When a resistor is connected across the terminals of an acgenerator (111 V) that has a fixed frequency, there is a current of0.351 A in the resistor. When an inductor is connected across theterminals of the same generator, there is a current of 0...
Ball is pulled to one side through a small angle : A simple pendulum is made from a 0.63 mlong string and a small ball attached to its free end. The ball ispulled to one side through a small angle and then released fromrest. After the ball is released, how much time elapses before it attains its grea..
Metal sphere oscillates at the end of a vertical spring : A 0.20-kg metal sphere oscillates at the end of a vertical spring. As the spring stretches from 0.13 to 0.21 m (relative to it sunstrained length), the speed of the sphere decreases from 5.3 to4.6 m/s. What is the spring constant of the spring?
Find the minimum initial kinetic energies for the six throws : Consider the record throws for the javelin, men 98.48 m (Zelezny, 1996, 0.800 kg) and women 72.28 m (Spotakova, 2008, 0.600 kg); discus, men 74.08 m (Schult, 1986, 2.00 kg) and women 76.80 m (Rensch, 1989, 1.00 kg); and shotput, men 23.12 m (Barne..
What speed is no friction required : A car is traveling down around a banked curve in the road. Thecurve has a radius of 300 m and is banked at an angle of10.0o. (a) At what speed is no friction required?
The spring is then cut into two identical springs : Review Conceptual Example 2 as an aid in solving this problem. An object is attached to the lower end of a 100-coil spring that is hanging fromthe ceiling. The spring stretches by 0.172 m. The spring is thencut into two identical springs of 50 coi..
Determine the magnitude of the external magnetic field : A horizontal wire of length 0.13 m, carrying a current of 2.8 A, isplaced in a uniform external magnetic field. When the wire ishorizontal, it experiences no magnetic force. When the wire istilted upward at an angle of 23°, it experiences a magnet..
Helium nucleus that contains two protons and two neutrons : Point A is at a potential of +250 V, and pointB is at a potential of -140V. An α-particle is a helium nucleus that containstwo protons and two neutrons; the neutrons are electrically neutral.
Two circular coils of current-carrying wire : Two circular coils of current-carrying wire have the same magnetic moment. The first coil has a radius of 0.091 m, 120 turns, and carries a current of 3.3 A. The second coil has 170 turns and carries a current of 9.1 A. What is the radius of the seco..

Reviews

Write a Review

Physics Questions & Answers

  What is the radial distance a projectile

At the factory, a noon whistle is sounding with the frequency of 464 Hz. As a car travelling at 76 km/h approaches the factory, driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..

  Determine the range of the lengths of pipes required

If you were to build a pipe organ with open-tube pipes spanning the range of human hearing (20 Hz to 20 kHz), what would be the range of the lengths of pipes required

  Estimate the speed at which the cyclist crests the hill

A cyclist approaches the bottom of a gradual hill at a speedof 20m/s. find the speed at which the cyclist crests the hill

  Find what does the scale read at its peak

If you stand on a bathroom scale, the spring inside the scale compresses 0.80mm , and it tells you your weight is 680N. what does the scale read at its peak

  Find how many wavelengths are there in one pulse

A certain type of laser emits light that has a frequency of 5.7 1014 Hz. How many wavelengths are there in one pulse

  Estimate the peak acceleration of the gymnasts head

A gymnast falls from the high bar and lands on a 10 cm thick gymnastics mat. Estimate the peak acceleration of the gymnast's head

  Two seconds after the stone releases from the tire it makes

an automobile wheel and tire having a diameter of 93.7 cm and a mass of 43.9 kg is bolted to a test machine. the center

  What additional volume of ethanol can be put into the tank

A steel tank is completely filled with 3.00 m3 of ethanol when both the tank and the ethanol are at a temperature of 31.5?C. what additional volume of ethanol can be put into the tank

  What temperature will the two wires have the same resistance

A given copper wire has a resistance of 5.11 ? at 20.0°C while a tungsten wire of the same diameter has a resistance of 4.61 ? at 20.0°C

  How much must we compress the spring

An asteroid is discovered heading straight toward Earth at 13 . An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 , after which the asteroid is moving at 29 to its original path at a speed of 18..

  How far does the car slide before coming to a stop

A 1000kg car traveling at a speed of 40m/s skids to a halt on wet concrete where the friction force is 6000N

  A hot-air balloon is rising straight up with a speed

A hot-air balloon is rising straight up with a speed of 2.78 m/s. A ballast bag is released from rest relative to the balloon when it is 2.15 m above the ground. How much time elapses before the ballast bag hits the ground?

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