Which is most possible to hurt-being stepped

Assignment Help Physics
Reference no: EM138478

Q1. The loaded cab of an elevator has a mass of 3.0 x 103 kg and moves 221 m up the shaft in 23 s at constant speed. At what average rate does the force from the cable do work on the cab?

Q2. A small grinding wheel has a moment of inertia of 4.0×10-5 kg m^2. What net torque must be applied to the wheel for its angular acceleration to be 160 rad s^2?

Q3. Which is most possible to hurt-being stepped on by a 300-lb man wearing loafers or being stepped on through a 100-lb woman wearing high heels?

Reference no: EM138478

Questions Cloud

Find an electric field in all space : A ball is thrown vertically upward with a speed of 1.63m/s from a point 4.21m above the ground. What is the time at which it will reach the ground.
What is the misinformation effect : Follow that with some of her work on repressed memories. After completing your readings on the WebLink, the textbook, and the PowerPoint presentation, address the prompts for your assignment.
What force is applied to the driver by the seat belt : A dockworker applies a constant horizontal force of 79.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 15m in a time 4.50s. What is the mass.
Determine what the mass of eros should be : After the NEAR spacecraft passed Mathilde, on some occasion's rocket propellant was expelled to adjust the spacecraft's momentum in order to follow a path that would approach the asteroid Eros, final destination for the mission.
Which is most possible to hurt-being stepped : A small grinding wheel has a moment of inertia of 4.0×10-5 kg m^2. What net torque must be applied to the wheel for its angular acceleration to be 160 rad s^2.
Assume that the trampoline obeys hooke''s law : How long does it take for the grinding wheel to stop ? Through how many radians has the wheel turned during the interval found in.
What is the average force his feet exert on the ground : Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground as he slows down.
Find out the magnitude of the magnetic force : A generator uses a coil that has 210 turns and a 0.20-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), conclude the length of wire f..
What is the accurate banking angle of the road : The lows note emitted by stretched string has a frequency of 50Hz.how many outcome are possible between 40Hz and 170Hz.

Reviews

Write a Review

Physics Questions & Answers

  How numerous homes could be heated with the waste heat

At what angle is the curve banked? The acceleration due to gravity is 9.8 m/s2.

  Find out the magnitude of the magnetic force

A generator uses a coil that has 210 turns and a 0.20-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), conclude the length of wire f..

  What is the instantaneous power generated by this machine

A conveyor belt at a quarry lifts 2,000 kg of sand per minute up a vertical distance of 12 meters. The sand is at first at rest, then moves at a speed of 0.20 m/s along conveyor belt. What is the instantaneous power generated by this machine .

  Find out the maximum height the green bead

A 78-kg base runner begins his slide into second base when he is moving at a speed of 4.2 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches base.

  Find out the net electric field

Two charges are placed on the x axis. One of the charges (q1 = +6.95C) is at x1 = +3.00 cm and the other (q2 = -27.3C) is at x2 = +9.00 cm. Find out the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b..

  What is used up electric potential energy of charge carriers

What is used up electric potential energy of charge carriers

  Find out the energy level and wave functions of the ground

A spring stiffness 900 N/m and relaxed length 1m stands vertically on a table. You hold a block of mass 1 kg barely touching the top of the spring. Assume you let the mass down onto the spring certain distance very slowly and view the mass is not mov..

  What is magnitude of the change in the magnetic field

What is magnitude of the change in the magnetic field

  What is the magnitude of the average induced emf

The coil is flipped so its plane is vertical to the magnetic field in 0.050 s. What is the magnitude of the average induced emf.

  A plano-convex lens having a radius of curvature of r1

Two charged bodies exert the force of .145N on each other. If they are moved so that they are one fourth as far apart, what force is exerted.

  Find density of the object

Find density of the object

  Discover new angles with respect to the x-axis

Discover new angles with respect to the x-axis

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