Calculate the time required to stop

Assignment Help Physics
Reference no: EM13215923

on turning a corner ,a motorist rushing at 44m/s find a child on road 100m away. he applies the brakes so as to stop the motorcar within 1m of child. calculate the time required to stop.

Reference no: EM13215923

Questions Cloud

What is angle of refraction into the carbon tetrachloride : An aquarium contains a 5-cm layer of water (n = 1.33) floating on top of carbon tetrachloride (n = 1.461). If the angle of incidence into the water from the air is 30, what is the angle of refraction into the carbon tetrachloride?
What must the constant acceleration of the car : What must the constant acceleration of the car be after the brakes are applied so that the car would come to rest at the stop sign.
Explain two or three most important issues facing cios : What are the two or three most important issues facing CIOs and their IT project managers in USA companies that rely heavily on outsourcing IT functions? How should these issues be addressed?"
What is the maximum weight that can be lifted : the cross sectional areas of the pistons in the system have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N, what is the maximum weight that can be lifted?
Calculate the time required to stop : on turning a corner ,a motorist rushing at 44m/s find a child on road 100m away. he applies the brakes so as to stop the motorcar within 1m of child. calculate the time required to stop.
Explain the project management skill : Briefly describe the project management skill that you believe is most important. Explain why you believe it is most important and whether and how it can be learned.
How many kcal of heat must be withdrawn : How many kcal of heat must be withdrawn from 4.56 kg of steam at 125°C to change it to ice at -44.5°C.
What was the velocity of the bullet : What was the velocity of the bullet just before it struck the wooden block? The length of the string is 2 meters.
Analyze the data to make conclusions : Analyze the data to make conclusions. Perform test(s), interaction plot and post hoc multiple comparisons if needed.

Reviews

Write a Review

Physics Questions & Answers

  What is the muzzle velocity

What is the muzzle velocity

  Establish tension in the rope

An adult exerts a horizontal force on a sewing that is suspended by a rope of length L, holding it at an angle x with the vertical. The child in the swing has a weight W and dimensions that are negligible compared to L.

  What fractional increase in the tension

What fractional increase in tension of one wire will lead to the occurrence of 2 beats/s when both wires oscillate simultaneously.

  Establish the cars speed from these observations

Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching police car. After the police car passes, observed frequency of the siren is 455 Hz. Establish the car's speeds from these observations.

  Find out the average velocity of the water in the pipe

Water is pumped into a storage tank from a well delivering 17 gallons of water in 33 seconds throughout a pipe of 1.0 in 0.2 cross-sectional area. What is the average velocity of the water in the pipe as the water is pumped from the well?

  What surface area in square meters should she cover

A moon orbits a planet because of the gravitational force between them. Similarly, each body also experiences a tidal force due to gravity. Consider how the magnitude of the tidal force changes as distance between a planet and moon varies.

  What is the final kinetic energy of the system

A 2-kg book with no initial velocity slides down an inclined plane with an angle of 20 degrees a total of 2 meters. The force of friction does 10 Joules of work, what is the final kinetic energy of the system as the book reaches the bottom of the ..

  How far must it travel to increase its speed

If a freight train can accelerate at 0.050 m/sec2, how far must it travel to increase its speed fro 2.0 to 8.0 m/sec?

  What is the speed of the river current

A swimmer heads directly across a river, swimming at 1.9 m/s relative to the water. She arrives at a point 34 m downstream from point directly across the river, which is 80 m wide.

  How much kinetic energy will the electron gain

The largest apple pie ever made was rectangular in shape and had an area of 7m× 12m. Consider a parallel-plate capacitor with this area. Imagine that the capacitor is filled with air and the distance between the plates is 1mm. a.

  Illustrate what force should the crewman pull

2 crewmen pull a raft, 1 crewman pulls with a force of 130 newtons at 34 degreees relative to the forward position on the raft. the 2nd crewman on the opposite side pulls at 45 degrees. Illustrate what force should the 2nd crewman pull so that the..

  What is the car''s speed at the bottom of dip

The sun falls on a concave mirror and forms an image 4.5 cm from the mirror. If an object 22 mm high is placed 12.7 cm from the mirror, where will its image be produced.

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