Calculate how much work did air resistance do

Assignment Help Physics
Reference no: EM13529568

You throw a 1 kg rock down a 5m-deep wishing well. It hits the water with a velocity of 7.5 m/s. How much work did air resistance do? Express your answer as a negative number of Joules.

Reference no: EM13529568

Questions Cloud

Explain a gaseous hydrocarbon with the empirical formula ch2 : A gaseous hydrocarbon with the empirical formula CH2 was placed in a 2.00L container. At a temperature of 101oC the pressure was 755 Torr and the mass of the hydrocarbon was 1.812g. What are the values of the integer a and b for this molecular for..
Journalize these transactions on the books : Journalize these transactions on the books of E & M and journalize these transactions on the books of East Pharmaceuticals.
Journalize february transactions for gems inc : Journalize February transactions for Gems Inc. No explanations are required - Journalizing purchase and sale transactions-perpetual inventory Consider the transactions that occurred in February 2012 for Gems, Inc.
Compute deltas net sales revenue : Compute Deltas Net sales revenue, cost of goods sold and gross profit - the periodic inventory system
Calculate how much work did air resistance do : You throw a 1 kg rock down a 5m-deep wishing well. It hits the water with a velocity of 7.5 m/s. How much work did air resistance do
How fast does she have to run to accomplish this : An Olympic high jumper wants to cross a bar 1.9 m off the ground while mantaining a velcity of 0.98 m/s. How fast does she have to run to accomplish this
Periodic inventory system - journalize transaction : Journalize these transactions, first on the books of the Best drug store and second on the books of Brighton Medical Supply. Use the periodic inventory system.
How far back do you have to compress the spring : You want to propel a 1.50 kg t-shirt from a spring-loaded launcher to a velocity of 10.0 m/s. How far back do you have to compress the spring
Journalize the adjusting entries needed on january 31 : Journalize the adjusting entries needed on January 31, 2013 - Compute the overall overstatement or understatement of net income as a result of the omission of these adjustments.

Reviews

Write a Review

Physics Questions & Answers

  Determine the energy of the photon

A gamma-ray photon produces an electron and a positron, each with a kinetic energy of 259keV, Determine the energy of the photon

  Determine the electric potential difference va - vb

A spring with spring constant 12.5 hangs from the ceiling. A 400 ball is attached to the spring and allowed to come to rest. It is then pulled down 6.80 and released. What is the time constant if the ball's amplitude has decreased to 3.90 after 57.0 ..

  What is an angular frequency in of the combination

They then turn together around the spindle with their centers superposed. What is an angular frequency in of the combination.

  Compute how fast will the electron be moving

An electron starts from rest 32.5 cm from a fixed point charge with Q=-0.125 µC. How fast will the electron be moving when it is very far away

  What is the potential midway between the two charges

Charges of -11.5 nC and -22.1 nC are separated by 0.733 m. What is the potential midway between the two charges?

  Estimate the cost of the energy lost to heat per hour

When its 75kW engine is generating full power, a small single engine airplane with a mass of 700 kg gains altitude at a rate of 2.5 m/s. what fraction of the engine power is being used to make the air plane climb.

  What are the input heat and rejected heat

Multiple-Concept Example 6 provides a review of the concepts that play roles here. What are the input heat and rejected heat

  How much work is done by brutus lifting the weights

Brutus, a champion weightlifter, raises 240 kg of weights a distance of 2.70 m. How much work is done by Brutus lifting the weights

  Find the maximum attainable speed of the car

A futuristic design for a car is to have a large disk -like flywheel within the car storing kinetic energy. find the maximum attainable speed of the car

  Find the minimum thickness

assume the film show in the figure has an index of refraction of 1.36 and is surrounded by air on both sides.

  Find the gauge pressure of the water where it enters hose

Water flows at 0.25{\rm L}/{\rm s} through a 12-m-long garden hose 2.0{\rm cm} in diameter that is lying flat on the ground. find the gauge pressure of the water where it enters the hose

  Determine the linear density of the string

The middle C string on a piano is under a tension of 977 N. The period and wavelength of a wave on this string are 3.82 ms, Find the linear density of the string

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