How much energy was lost to air friction

Assignment Help Physics
Reference no: EM1389074

Q. A parachutist of mass 50-kg jumps out of an airplane at a height of 1.000 m. The parachute deploys, and she lands on the ground with the speed of 5.0 m/s. How much energy was lost to air friction all through this jump?

Q. A small rocket is powered upward on lift-off by an engine thrust of 12,000-N. If the resulting upward acceleration is 6.40m/s^2, what is the mass of the rocket?

Reference no: EM1389074

Questions Cloud

What is the vertical force on the support closest to piano : What is the vertical force on the support closest to the piano.
Ordered logit model : When there are multiple observations per subject, what issues are there with doing a MNL and an ordered logit model, answer in detail and provide example.
Computing the recombination frequencies : Assumeou are investigating four recessive alleles in corn. They are whimpy ears ( w ), striped leaves ( s ), shriveled kernels ( k ), and red tassels ( r ). Their dominant counterparts are represented
Determining qualitative and quantitative research : What other ways, both qualitative and quantitative, which you could research question? How can you tell if a study is qualitative or quantitative?
How much energy was lost to air friction : A small rocket is powered upward on lift-off by an engine thrust of 12,000-N. If the resulting upward acceleration is 6.40m/s^2, what is the mass of the rocket?
Believe the ongoing strategy process is a continuous loop : Explain why do you believe the ongoing strategy process is a continuous loop? Make sure you provide information to support your answer.
Cross-functional drivers be used to create strategic fit pc : Explain how can the full set of logistical also cross-functional drivers be used to create strategic fit for a PC manufacturer targeting both time sensitive also price-conscious customers?
Find out the average forces exerted on car : As part of a safety investigation, two 1200- {rm kg} cars traveling at 24- {rm m/s} are crashed into different barriers.
What percentage of time is each service desk idle : Sharp Discounts Wholesale club has two service desks, one at each entrance of the store. Customers arrive at each service desk at an average of one every six minutes

Reviews

Write a Review

Physics Questions & Answers

  What is her velocity relative to ice surface

The maximum distance from Earth to the Sun (at our aphelion) is 1.521 x 10^11 m and the distance of closest approach (at perihelion) is 1.471 x 10 ^11 m. Assume the Earth's orbital speed at perihelion is 3.027 x 10 ^ 4 m/s. (overlook the effect of th..

  What is the magnitude of the acceleration

Two ocean liners, each with a mass of 40,000 metric tons, are moving on parallel courses, 92 m apart. What is the magnitude of the acceleration of one of the liners toward the other due to their mutual gravitational attraction? Care for the ships as ..

  Resolve for the skier''s velocity using newton''s laws

Assume the helmholtz coil consists of two sets of coaxial wire loops with 15 turns of radius R=75.00 cm, that are separated by R, and each coil carries the current 0.123A flowing in the same direction. Compute the magnitude and direction of magnetic ..

  Find how long the sled takes to travel from a to b

A daredevil on the motorcycle leaves the end of a ramp with a speed of 36.0 m/s. If his speed is 34.20 m/s while he reaches the peak of the path, what is the maximum height that he reaches? Ignore friction and air resistance. In meters

  Find out star new angular velocity

Assume a uniform mass distribution before and after. Icm for a solid sphere of uniform density is 2/5 mr2.

  What is its initial acceleration of a large rocket

In photo like the Hubble Deep Field, we see galaxies in many different stages of their lives. In general, which galaxies are seen in the earliest (youngest) stages of their lives.

  Find the tension in the sting & acceleration of the cart

A cart mass M moves on a frictionless track. It is attached to a string, which goes over a pulley wheel & has a mass m hanging from it. At t=0 s the cart starts from rest & accelerates. Find the tension in the sting & acceleration of the cart.

  Find out the speed of the combination after collision

A 4.00-kg model rocket is launched, expelling 54.9 g of burned fuel from its exhaust at a speed of 690 m/s. What is the velocity of the rocket after fuel has burned.

  Which driveway will be safer to park in

A 40-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, kinetic energy decreases to 240J from 470J. How high does she rise during this interval? Avoid air resistance.

  Calculate its speed at launch

A stone is dropped from the top of a cliff at t=0. The splash it makes when striking the water below is heard 6 seconds after it is dropped (i.e. at t=6 sec). How high is the cliff? (i.e. find 'h') suppose that the speed of sound in air is 340m/s ..

  Assume the blocks are equal length

A dam is used to block the passage of a river and to generate electricity. Approximately 5.73 x 10^4 kg of water fall each second through a height of 19.6 m. I one half of the gravitational potential energy of water were converted to electrical energ..

  How to consider the two balls separately

A barbell spins around a pivot at its center at A. The barbell consists of two small balls, each with mass 400 grams (0.4 kg), at ends of a very low mass rod of length d = .6 m. The barbell spins clockwise with angular speed 20 radians/s.

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