Estimate the force exerted on the car

Assignment Help Physics
Reference no: EM13679309

(a) Compute the force needed to bring an 800 kilogram car to rest from a speed of 80.0 kilometer per hour in a distance of 130 meter?

(b) Assume instead the car hits a concrete abutment at full speed and is brought to a stop in 2 meter. Estimate the force exerted on the car?

Reference no: EM13679309

Questions Cloud

Compare revenue - net income and working capital : Compare Revenue, net income, working capital, total assets for the last three years and other results of your choice of the company against the industry or main competitor. Present the table with this information in your report. Write about 1 page..
Determine how fast will the water be traveling : A rotating water pump works by taking water in at one side of a rotating wheel, and expelling it from the other side. determine how fast will the water be traveling when it leaves the pump after it has been accelerating for 9.00 sec
Determine the angular displacement in radians : Determine the angular displacement in radians that the minute hand of a watch moves through from 3:15 A.M. to 7:30 P.M. the similar day
Compute its velocity when the cable snapped : An elevator manufacturing company is stress-testing a new elevator in an airless test shaft. Compute its velocity when the cable snapped
Estimate the force exerted on the car : Assume instead the car hits a concrete abutment at full speed and is brought to a stop in 2 meter. Estimate the force exerted on the car
Calculate what is its speed : An alpha particle (which is a helium nucleus Q=+2e, m=6.64 X 10-27 kilogram) is emitted in a radioactive decay with KE= 5.63 MeV. Calculate what is its speed
Determine how much work does the electric field do : Determine how much work does the electric field do in a moving -7.3 µC charge from ground to a point whose potential is +55 Volt higher
Evaluate at what temperature would the wing be shorter : An aluminum wing on a passenger jet is 34 meter long when its temperature is 21oC. Find at what temperature would the wing be 8 centimeter or 0.08 meter shorter
Calculate what the speed of the alpha particle : An alpha particle (m=6.6 x 10-27) is accelerated by a potential difference of 5000 Volt and then enters a region with a vertical (out of the page) 0.75 T magnetic field. Calculate the speed of the alpha particle

Reviews

Write a Review

Physics Questions & Answers

  A positron q e moves at 488 x 107 ms in a magnetic field

a positron q e moves at 4.88 x 107 ms in a magnetic field of magnitude 0.410 t. the magnetic force on the positron has

  What is its initial velocity as it leaves the ground

In this problem, you will apply kinematic equations to a jumping flea. Take the magnitude of free-fall acceleration to be 9.80 . Ignore air resistance. A flea jumps straight up to a maximum height of 0.520 . What is its initial velocity as it leaves ..

  What is the greatest beat frequency listener will receive

A turntable 1.50{m} in diameter rotates at 80.0{rpm} . Two speakers, each giving off sound of wavelength 30.7{cm}, What is the greatest beat frequency the listener will receive from this system

  Calculate the current in the motor

A 120-V motor has mechanical power output of 3.20 hp. It is 91.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor

  What is the potential difference across the third resistor

A 9.0 V battery and three resistors are all connected in series. What is the potential difference across the third resistor

  How far does she travel on patch before stopping

A skier moving at 4.60m/s encounters a long, rough horizontal patch of snow having coefficient of kinetic friction 0.220 with her skis. How far does she travel on this patch before stopping?

  Which statement is true

A 5 kg ball collides head-on with a 10 kg ball, which is initially stationary. The collision is inelastic. Which statement is true?

  How much energy is stored in this distribution of charge

For the spherical distribution: A conducting spherical shell of inner radius b and outer radius c is concentric with a small metal sphere of radius a

  How much work is done on the wheel

The angular momentum of a flywheel having a rotational inertia of 0.148 kg·m^2 about its central axis decreases from 6.70 to 0.560 kg·m^2/s in 3.50 s. How much work is done on the wheel

  White light reflected at a perpendicular incidence from a

white light reflected at a perpendicular incidence from a soap film has in the visible spectrum an interference maximum

  What is the potenial at one of the corners

A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potenial at one of the corners due to the other 3 charges

  What is the initial velocity of the bullet

A 10 gram bullet is fired into a ballistic pendulum made froma 4 kg wood block and two light cords. The block’s vertical displacement is 5 cm. What is the initial velocity of the bullet ? What percentage of the bullet’s initial kinetic energyis lo..

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