How many rocks must she throw

Assignment Help Physics
Reference no: EM13563446

A child sits in a wagon with a pile of 0.403 kg rocks. If she canthrow each rock with a speed of 11.7 m/s relative to the ground, how many rocks must she throw perminute to maintain a constant average speed against a 5.04 N forceof friction?

Reference no: EM13563446

Questions Cloud

Compute what is the total work they do on the supertanker : Two tugboats pull a disabledsupertanker. Each tug exerts a constant force of 1.55 x 106 N, What is the total work they do on the supertanker
State the structure of the cycloalkanes : Draw the structure(s) of the cycloalkanes with molecular formula C6H12 that have a 3-membered ring and one substituent. Be sure to specify cis and trans isomers as appropriate using the wedge and dash bond
Estimate the kinetic energy acquired by a given nail : The collision between a hammer and a nail can be considered to beapproximately elastic. Estimate the kinetic energy acquired by a 10.2 g nail
What he experienced in the new world : What is the differences between slavery in Olaudah Equiano's native West African home and what he experienced in the New World
How many rocks must she throw : A child sits in a wagon with a pile of 0.403 kg rocks. If she canthrow each rock with a speed of 11.7 m/s relative to the ground, how many rocks must she throw
How long does the projectile remain in the air : A projectile is fired horizontally from a gun that is 79.0 m above flat ground, emerging from the gun with a speed of 250 m/s. How long does the projectile remain in the air?
Calculate the thrust exerted by the rope : Holding a long rope by its upper end, you lower itonto a scale. Calculate the thrust exerted by the rope as it lands on the scale
What is the relationship between literacy and freedom : What is the relationship between literacy and freedom as presented in Frederick Douglass' narrative. Please provide examples to develop your point
Find at what rate is energy conducted along the rod : A cylindrical copper rod of length 2.2 m and a cross-sectional area 5.0cm^2 is insulated to prevent heat loss through its surface. At what rate is energy conducted along the rod

Reviews

Write a Review

Physics Questions & Answers

  Illustrate what is the magnitude of the net torque

Illustrate what is the magnitude of the net torque on the wheel due to these three forces for an axis perpendicular to the wheel and passing through its center?

  What is the angle

A circular surface with a radius of 0.062 m is exposed to a uniform external electric field of magnitude 1.55 104 N/C, What is the angle between the direction of the electric field and the normal to the surface

  Questionin an x-ray machine electrons are accelerated and

questionin an x-ray machine electrons are accelerated and then fired so that they are incident on a metal target. which

  What is the amplitude and frequency of the resultant wave

Two traveling sinusoidal waves are described by the wave functions, What is the amplitude of the resultant wave, What is the frequency of the resultant wave

  Calculate the index of refraction of the polymer

(a) Calculate the index of refraction of the polymer if the refracted angle is 26 degrees. (b) Calculate the critical angle of the polymer in air. (c) Calculate the speed of light in the polymer.

  Estimate what is the density of the life jacket

A 73.7-kg person puts on a life jacket, jumps into the water, andfloats. What is the density of the life jacket

  How much energy does it use in a single day

A freezer has a coefficient of performance of 6.30. It is advertised as using 446 kWh/yr. how much energy does it use in a single day

  What is the final angular speed of the fan

A ceiling fan consists of a small cylindrical disk with 5 thin rods coming from the center. The disk has mass md = 3.4 kg and radius R = 0.26 m. What is the final angular speed of the fan

  What frequency does stationary listener hear sound as plane

An airplane traveling at half the speed of sound emits a sound of frequency 5.31 kHz. (a) At what frequency does a stationary listener hear the sound as the plane approaches? (b) At what frequency does a stationary listener hear the sound after the p..

  Determine the refractive index of the oil

White light illuminates an oil film on water. Viewing it directly from above, What is the refractive index of the oil

  What is the current in loop

The flywheel of an engine has a moment of inertia 2.20 {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.

  Question1alan leaves university of lethbridge at 800am to

question1alan leaves university of lethbridge at 800am to drive to au 650 km away. he leaves at an average speed of

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