What is the net force of the runner

Assignment Help Physics
Reference no: EM13491935

A sprinter with a mass of 80kg accelerates from 0 m/s to 9 m/s in 3 sec.

a) What is the runners acceleration?

b) What is the net force of the runner?

c) How far does the sprinter go during 3 s?

Reference no: EM13491935

Questions Cloud

Explain a single celled animal lives in a fresh water lake : A single celled animal lives in a fresh water lake. The cell is transferred into ocean water. Does it stay the same, shrink, or burst. Explain why.
Estimate the tension in the cable towing the sensor : A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 128-kg laser sensor that measures the thickness of the ice, find the tension in the cable towing the sensor
Which investment has the higher irr : In this case, for what values of the cost of capital does picking the higher IRR give the correct answer as to which investment is the best opportunity?
Explain sucrose by mass has a density : A sucrose (C12H22O11) solution that is 45.0% sucrose by mass has a density of 1.203 g/mL at 25 C. Calculate its: a. molarity b. molality c.vapor pressure (vp H2O at 25 C=23.76 mm Hg) d.normal boiling point
What is the net force of the runner : A sprinter with a mass of 80kg accelerates from 0 m/s to 9 m/s in 3 sec. What is the net force of the runner
Find the charge on inner and outer surface of conductor : An irregular neutral conductor has a hollow cavity inside of it and is insulated from its surroundings. Find the charge on the inner surface and outer surface of the conductor
Prepare the journal entries to record income tax expense : Prepare the journal entries to record income tax expense, deferred income taxes, and income taxes payable for 2010 and 2011
Explain the simplest and molecular formulas for caffeine : A solution made up of 8.25 g of caffeine and 100.0 mL of benzene (d=0.877 g/mL) freezes at 3.03 C. Pure benzene (Kf=5.10 C/m) freezes at 5.50 C. What are the simplest and molecular formulas for caffeine
Find the electric field just outside the paint layer : A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 20.0 cm, Find the electric field just inside and just outside the paint layer

Reviews

Write a Review

Physics Questions & Answers

  What is the strength of the electric field

what is the strength of the electric field 4.0cm from a small glass bead that has been charged to positive 4.0cm?

  What is it the mass of ball

A spring with spring constant 14 hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 3.0 and released. The ball makes 17 oscillations in 16 seconds. What is it the mass of ball.

  How far does the light ray travel inside the glass

A ray of light traveling through air encounters a 1.7cm -thick sheet of glass at a 42? angle of incidence. Assume n = 1.5. How far does the light ray travel inside the glass

  How high does she rise during this interval

An 8.m, 220 N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.75, and the ladder makes a 50° angle with the ground. How far up the ladder can an 770 N person climb before the la..

  Determine the mass defect in atomic mass units

For lead 82Pb207 (atomic mass = 206.975880 u) obtain the mass defect in atomic mass units,

  Find the resulting angular speed of the disk

A 47 kg person, standing 0.980 m from the axis, begins to run on the disk in a circular path and has a tangential speed of 3.10 m/s relative to the ground. Find resulting angular speed (in rad/s) of the disk.

  Find the number of moles of gas

Suppose the temperature of 4.72 L of ideal gas drops from 351 K to 275 K. (a) If the volume remains constant and the initial pressure is atmospheric pressure, Find the number of moles of gas

  Find the speed of satellite to maintain this stable orbit

The acceleration due to gravity at the surface of a planet is 18 m/s2. find the speed of the satellite to maintain this stable orbit

  What is the intensity of the superposition of the two

A sound wave with intensity 20 mW/m2 interferes destructively with a sound wave that has an intensity of 4 mW/m2. What is the intensity of the superposition of the two

  Estimate the real engine losses due to friction and drag

Given you have a 1000 kg automobile with an Otto cycle engine, compression ratio of 10. estimate the real engine losses due to friction and drag

  The energy consumption and area required by the solar cell

The light energy that falls on a square meter of ground over the course of a typical sunny day is about 20 MJ. The average rate of electric energy consumption in one house is 1.0 kW. Find the energy consumption and area required by the solar cell

  What is the electron current in the wire

When a current flows in an aluminum wire of diameter 3.29 mm, the drift speed of the conduction electrons is 2.85 × 10-4 m/s. What is the electron current in the wire

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