Compute the acceleration of the crate

Assignment Help Physics
Reference no: EM13118717

Q. A car is traveling 20 m/s when the driver sees a child standing on the road. He takes 0.8 s to react, then steps on the brakes and slows at 7.0 m/s2. How far does the car go before it stops?

Q. A 200-kg crate is pushed horizontally with a force of 715 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.

Reference no: EM13118717

Questions Cloud

Find out the maximum altitude reached by the rocket : The rocket moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile. Find out the maximum altitude reached by the rocket.
What is the struggle for existence : What is the struggle for existence (2)? Give an example of it, involving real organisms (the details may be speculative) (1). Is the struggle for existence required for the operation of natural selection? Explain (2).
Writing a research paper : The steps for writing a research paper.  Acting in the role of a secondary-school English teacher, use a word processor (such as MS Word) to write a brief explanation for each step listed
How mutations can be beneficial : Mutations can be beneficial, deleterious or neutral. How would you design an experiment to evaluate the relative proportion of the different kinds of spontaneous mutations in an organism (2)?
Compute the acceleration of the crate : A 200-kg crate is pushed horizontally with a force of 715 N. If the coefficient of friction is 0.20, compute the acceleration of the crate.
Proportion of students drank seven or more cups of coffee : The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. What proportion of students drank 7 or more cups of coffee per day?
Determine the identity of the metal : A 4.000-g sample of the metal nitrate M(NO3)2 was dissolved in water and treated with excess  aqueous sodium sulfate. The sulfate salt that formed weighed 3.318 g. Determine the identity of the metal.
Define germline and soma : Define germline and soma (1). Explain the concept of separation of germline and soma (2). Explain how this concept changed our understanding of the evolutionary significance of the inheritance of acquired characteristics (2).
Calculate the ph : The concentration of phosphoric acid in Coke is approximately 106.0 mg/mL. Assuming phosphoric acid is the only acid in Coke, calculate the pH of a 355 mL can of Coke.

Reviews

Write a Review

Physics Questions & Answers

  What is resistance of the gold wire

Two wires are identical, except that one is aluminium and one is gold. The aluminium wire has a resistance of 0.18. What is resistance of the gold wire.

  For what wavelength of light will first-order dark fringe

A bat emits a sound whose frequency is 91.20 kHz. The speed of sound in air at 20 degrees Celcius is 343m/s. However the air temperature is 38.8 degrees Celcius, so the speed of sound is not 343m/s. imagine that air behaves like an ideal gas, and ..

  Find the final temperature of the system

The specific heat of a certain 50 g metallic block is 900 J/kg K. If the block is at an initial temperature of 80 degrees Celsius, and dropped into a 50 g bucket of water at 1 degree Celsius, Find the final temperature of the system

  Probability by quantum tunneling

Keeping a constant speed of 0.6 m/s, a marble of mass 18 g rolls back & forth across a shoebox that is 14 cm high & 2 mm thick. Estimate the probability of its escaping through the wall of the box by quantum tunnelling.

  What is the difference in the masses of these planet

A 180 g block on a 49 cm-long string swings in a circle on a horizontal, frictionless table at 74 rpm.

  Estimate the deflection of the cylinder caused by the mass

An occupant of a car has a chance of surviving a crash if the deceleration all through the crash is not more than 30.00 g. Approximation the force on a 72 kg person decelerating at this rate.

  Find the angular speed and the linear speed of each child

Two identical point charges (q = +6.90 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.45m. A test charge (q0 = -3.20 x 10-8 C), with a mass of 5.20 x 10-8 kg, is released from rest at one of the corners of the s..

  What is the change of potential energy

An orienter runs the following course: 100 m at 35 degrees, 150 m at 220 degrees, and 50 meters at 170 degrees. find the resultant displacement.

  What is the linear charge density together the arc

What is the linear charge density together the arc.

  Rank the voltage across each cylinder

Rank the voltage across each cylinder. A baseball is seen to pass upward by a window 15 m above the street with a vertical speed of 18 m/s. imagine the ball was thrown from the street. What was it's initial speed.

  Write down an equation for the radial component

Write down an equation for the radial component

  What is the coefficient of static friction

What is the coefficient of static friction

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