Estimate how much time does the man have

Assignment Help Physics
Reference no: EM13708507

Question: A cement block accidentally falls from rest from the ledge of a 70.0 -m-high building. When the block is 16.6 m above the ground, a man, 1.70 m tall, looks up and notices that the block is directly above him.

Part A: How much time, at most, does the man have to get out of the way?

Explain how you came up the prefixes and answer please.

Reference no: EM13708507

Questions Cloud

Apply principle of the increase of entropy : Two same objects with the same initial temperature Ti have a constant specific heat capacity of Cp, now one installs a refrigerator in between these two and tries to lower one of the objects temperatures to T2.
How tall is the building : A ball thrown horizontally at 12.5m/ from the roof of a building lands 20.0mm from the base of the building. How tall is the building
Estimate how tall is the building that child is standing on : You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball. How tall is the building that the child is standing on
The rate of heat addition to the air by the heating coil : In a heating/humidifying system moist air first flows through a heating coil and then through an air washer. The air enters the system at 55 °F dry-bulb temperature and 40 % relative humidity. The air exits the system at 90 °F dry-bulb temperature an..
Estimate how much time does the man have : A cement block accidentally falls from rest from the ledge of a 70.0 -m-high building. How much time, at most, does the man have to get out of the way
Maximum inner diameter for the shaft for a yield strength : A shaft with a 2-inch outer diameter must deliver 5000 ft-lbs of torque. The shaft must be hollow and must simultaneously carry hydraulic fluid at an internal pressure of 30,000 psi. Assuming the shaft is closed-ended, and using the von Mises yield c..
Calculate its speed at launch : A dynamite blast at a quarry launches a rock straight upward, and 1.7 s later it is rising at a rate of 14 m/s. Calculate its speed at launch
Determine the power input to the compressor : Refrigerant 22 enters an insulated compressor operating at steady state as saturated vapor at -16oC with a mass flow rate of 1.5 kg/s. Refrigerant exits at 7 bar, 70oC. Changes in KE and PE from inlet to exit can be ignored. Determine: (a) the volume..
How far from the base of the bridge does it land : A bullet of mass 0.039 kg is fired horizontally with a speed of 77 m/s from a tall bridge. how far from the base of the bridge does it land

Reviews

Write a Review

Physics Questions & Answers

  What is the buoyant force on the diver in sea water

A scuba diver and her gear displace a volume of 70.0L and have a total mass of 73.1kg. What is the buoyant force on the diver in sea water

  Find how many times larger in volume is the bubble

An air bubble ascends from the bottom of a lake 9.4 m deep. The temperature at the bottom of the lake is 3degrees C, How many times larger in volume is the bubble at the top of the lake compared with its volume at the bottom

  What was your average velocity during braking

When you see a traffic light turn red, you apply the brakes until you come to a stop, what was your average velocity during braking

  In which direction is the electromagnetic wave moving

At a certain instant in time, in an electromagnetic wave, the electric field vector points to the north and the magnetic field vector points vertically downward.

  A particle of mass m is in the ground state of a harmonic

a particle of mass m is in the ground state of a harmonic oscillator with parabolic potential energyvx frac12

  What is its kinetic energy when it hits the floor

a 7.00 kg ball falls from a 2.00m shelf. Just as it hits the floor, what is its kinetic energy when it hits the floor

  What average force did the ball exert on the catcher

a catcher catches a 145 g baseball traveling horizontally at 36.0 m/s. How large an impulse does the ball give to the catcher, what average force did the ball exert on the catcher

  Estimate by what factor would the frequency change

Your boss at the Cut-Rate Cuckoo Clock Company asks you whatwould happen to the frequency of the angular SHM of the balancewheel if it had the same density and the same coil spring, By what factor would the frequency change

  What is an average speed of this train

What is an average speed of this train

  What is the gravitational potential energy

What is the gravitational potential energy of an interstellar cloud, with a density of 1000 H2 molecules/cm3, and radius of 10 pc

  An 82 kg man lowers himself to the ground from a height of

an 82 kg man lowers himself to the ground from a height of 6.6 m by holding onto a rope that runs over a frictionless

  A hospital patient has been given 131i half-life 804 days

a hospital patient has been given 131i half-life 8.04 days which decays at 4.4 times the acceptable level for exposure

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