Velocity of the brick when it hits the trash pile

Assignment Help Physics
Reference no: EM131694272

A man standing on the roof of a building thinks it might be fun to try and toss a brick that he has found there into a garbage truck that is coming down the road. The building is 100m high, and the top of the trash pile (which is uncovered) is 2m above the ground. The road is 30m from the building at closest approach. The truck is moving down the road with constant velocity 15m/s. The man chooses to throw the brick at an angle of 45? above the horizontal.

(a) With what initial speed does he need to throw the brick so that it hits the top of the trash pile when the truck is 30m away from the building? Does this sound feasible?

(b) How far down the road must the truck be when he throws the brick so that it is at its closest approach when the brick lands in the trash pile?

(c) What will be the velocity of the brick when it hits the trash pile?

Reference no: EM131694272

Questions Cloud

What is the minimum required sample size : A company that conducts surveys of current jobs for executives wants to estimate the average salary of an executive at a given level to within $2,000.
Cantilever beam should support the load : If the cantilever beam should support the load F for 104 cycles, determine the cross sectional area. Apply the safety factor of 1.5.
Draw a free-body diagram for the block : Assume the coefficient of kinetic friction between the block and the incline is µk = 0.25.
Compute the variance of measurement errors : A sensitive measuring device should not have a large variance in the errors of measurements it makes. A random sample of 41 measurement errors gives s2 = 102.
Velocity of the brick when it hits the trash pile : What will be the velocity of the brick when it hits the trash pile?
Which companies have fallen out of the top ten : Which companies have fallen out of top 10? Pick one of companies and investigate why it is no longer on list. Which companies appeared both in 2010 and 2017?
What decision should the potential partner make : Construct a 95% confidence interval for the average daily loss in this period. What decision should the potential partner make?
How long does it take for the bread to hit the ground : (a) How long does it take for the bread to hit the ground? (b) How far does the bread travel horizontally before it lands?
Discuss courts are usually very concerned about the fairness : USA Transport Company uses a mark associated with its name to distinguish its services from those of other transport firms

Reviews

Write a Review

Physics Questions & Answers

  Compute the efficiency of the solar panel

A solar panel measures 0.58 m by 1.1 m. In direct sunlight, the panel delivers 6.4 Amp at 6.1 Volt. compute the efficiency, as a percentage, of the solar panel in converting solar energy into electrical energy

  Air bus company key functional strategies

Air Bus company Key functional strategies

  What is the index of refraction

A block of unknown material is situated in air. Light is arranged such that point P is a source of many diverging rays of light. The rays of light that just undergo total internal reflection strike the bottom surface 5cm from point P. If the mate..

  How fast was i going when i started to decelerate

If I decelerate for 97 m at 2.4 m/s2 and at the end my speed is 15 m/s, How fast was I going when I started to decelerate? can you explain me what formula I have to use and why?

  What is the speed of the bowl

What is the speed of the bowl? The speed of sound is 340 meters per second.

  What is the lorentz gamma factor for these protons

The Tevatron at the Fermi National Laboratory (Fermilab) west of Chicago is a particle accelerator capable to produce protons at a total energy of one teraelectronvolt i.e. 1 TeV. What is the Lorentz gamma factor for these protons

  What is the capacitor voltage 1.5s after circuit is closed

A 20μF capacitor is charged by a 10-V battery through a 50kΩ resistor. What is the time constant of the circuit? What is the capacitor voltage 1.5s after circuit is closed?

  What is the magnitude of the force that acts on a charge

An electric field of 350000 N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of -9.9C at this spot?

  What beat frequency is heard

A guitar string has a linear density of 8.30 x 10^-4 kg/m. The length of the string is .660 m. The tension in the string is 52.0 N. When the fundamental frequency of the string is sounded by a tuning fork of frequency 196.0 Hz, what beat frequency is..

  Sketch the diffraction pattern of both colors

A beam of red photons and blue photons are sent through a diffraction grating simultaneously. Sketch the diffraction pattern of both colors

  Find the magnitude of initial acceleration of third sphere

Three uniform spheres are located at the corners of an equilateral triangle. find the magnitude of the initial acceleration of the third sphere

  Draw a free-body diagram for a positively charged

Determine the speed at which the 16O ions enter the chamber. Repeat for the ) 17O ions. Does the mass of the ion affect the speed at which it enters the chamber?

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