Principle of conservation of mechanical energy apply

Assignment Help Physics
Reference no: EM13672813

In which one of the following circumstances does the principle of conservation of mechanical energy apply, even though anon conservative force acts on the moving object?

1. The anon conservative force has a component that points in the same direction as the displacement of the object.

2. The anon conservative force has a component that points opposite to the displacement of the object.

3. The anon conservative force has a direction that is opposite to the displacement of the object.

4. The anon conservative force points in the same direction as the displacement of the object.

5. The anon conservative force is perpendicular to the displacement of the object.

Reference no: EM13672813

Questions Cloud

What is the average force of the floor on the ball : A rubber ball is dropped and bounces vertically from a horizontal concrete floor. If the ball has a speed of 3.2 m/s now before striking the floor and a speed of 2.1 m/s just after bouncing, what is the average force of the floor on the ball? Suppose..
State the number of grams of agno3 : State the number of grams of AgNO3 produced be the reaction of 324 grams Ag with 126 grams of HNO3
Collision among two pucks on an air-hockey table : The drawing shows a collision among two pucks on an air-hockey table. Puck A has a mass of 0.0100 kg and is moving along the x axis with a velocity of +4.87 m/s. It makes a collision with puck B, which has a mass of 0.0200 kg and is initially at rest..
How far cab move while accelerating to full speed from rest : A certain elevator cab has a total run of 190m and a maximum speed of 305m/min, and it accelerates from rest and then back to rest at1.22m/s2. How far does the cab move while accelerating to full speed from rest?
Principle of conservation of mechanical energy apply : In which one of the following circumstances does the principle of conservation of mechanical energy apply, even though anon conservative force acts on the moving object? The anon conservative force has a component that points in the same direction as..
How long after they begin moving does this occur : An object is thrown downward with an initial speed of 10 ms-1 from a height of 40 m above the ground. At the same instant, a second object is propelled vertically upward from ground level with a speed of 20 ms-1. How long after they begin moving does..
Decide the total capacitance of the circuit : A 6 μF and a 10 μF capacitor are connected in parallel across a 40 V DC battery. The capacitors are then allowed to fully charge. Decide the total capacitance of the circuit. What is the voltage across the 6 μF capacitor? How much charge is stored on..
Angle does emerging ray make with the waters surface : A flashlight on the bottom of 3.96 m deep swimming pools ends a ray upward and at an angle so that the ray strikes the surface of the water 1.04 m from the point directly above the flashlight. What angle (in air) does the emerging ray make with the w..
Refrigerator into place by sliding it across the floor : Assume that while moving into an apartment you move a refrigerator into place by sliding it across the floor. The refrigerator weighs 1452 N and the coefficient of static friction among the floor and the refrigerator is 0.46. What is the least force ..

Reviews

Write a Review

Physics Questions & Answers

  Determine the initial temperature of copper

9.00 of aluminum at and 19.0 of copper are dropped into 51.0 of ethyl alcohol at. What is the initial temperature of Copper

  Calculate the volume flow rate through the artery

An arterial constriction causes the radius of an artery to decrease from its normal value of 4mm to 2.5 mm. Calculate the volume flow rate through the artery

  Calculate the wavelength of the photon given off

A very slow neutron with negligible kinetic energy is captured by a 11B (boron-11) nucleus, which ends up in its ground state. Calculate the wavelength of the photon given off

  What is the torque due to the applied force

A wrench is used to tighten a nut. A force of 15 N is applied a distance 8.0 cm from the axis of rotation of the nut; the lever arm is 8.0 cm long

  A 20microf capacitor and a 40microf capacitor are connected

a 2.0microf capacitor and a 4.0microf capacitor are connected in series across 1000 v. the charged capacitors are then

  The surface of water in a cylinder

A pressure of 10 Pa is applied through a piston uniformly on the surface of water in a cylinder. How much of this pressure if it is 80 cm deep?

  Use conservation of energy to compute amplitude a

A 2.00 kg frictionless block is attached to a horizontal spring as shown. At t = 0, the position x = 0.225 m,  and the velocity is 4.25 m/s toward the right in the positive x direction. Position x as a function of t  is:  x = A*cos(?t ) , where A ..

  What is the initial angular acceleration of the bridge

A uniform drawbridge must be held at a 35.0?angle above the horizontal to allow ships to pass underneath. what is the initial angular acceleration of the bridge

  High-voltage transmissionline

A 170 km long high-voltage transmissionline 2.0 cm in diameter carries a steady current of 950 A. If the conductor is copper with a free chargedensity of 8.1*1028electrons per cubic meter, how many years does it take one electronto travel the full ..

  How close to the mirror should he stand

A man standing1.54m in front of a shaving mirror produces an inverted image20.0cm in front of it. How close to the mirror should he stand

  Compute the rings charge

The electric field on the axis of a uniformly charged ring has magnitude 400 at a point 6.0 from the ring center. Find the ring's charge

  Calculate the frequency of the light

A laser used in a rock concert emits a red light with a wavelength of 721 nm. Calculate the frequency of the light

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