Calculate the mass of the box

Assignment Help Physics
Reference no: EM13325627

77 N to push a box with an acceleration of 0.55 m/s2. When she increases the pushing force to 85 N, the box's acceleration changes to 0.72 m/s2. There is a constant friction force present between the floor and the box.

(a) What is the mass of the box?

kg

(b) What is the coefficient of kinetic friction between the floor and the box?

Reference no: EM13325627

Questions Cloud

Demand for flower bouquets in a suburban town is described : Demand for flower bouquets in a suburban town is described by: QD = 50 – 5 P + 2 Y, where Q is quantity, P is price per unit, and Y is an index of consumer income. Similarly, supply is described by QS = 10 P – 5.
Find from what height was the ball thrown : A ball thrown horizontally at 30m/s travels a horizontal distance of 44m before hitting the ground. From what height was the ball thrown
State down the dissociation reaction : Write down the dissociation reaction. (2) Estimate pH of a solution containing 0.6 g of acetic acid in 1 L of water. Molecular weight of acetic acid is 60 g/mol.
Determine the normal force between the piston and cylinder : When rebuilding her car's engine, a physics major must exert 250 N of force to insert a dry steel piston into a steel cylinder at a constant velocity. What is the normal force between the piston and cylinder
Calculate the mass of the box : 77 N to push a box with an acceleration of 0.55 m/s2. When she increases the pushing force to 85 N, the box's acceleration changes to 0.72 m/s2. What is the mass of the box
Find the cost of equity financing for common stock : Dividend in year 1 = $8, growth = 6%, floatation costs percentage of stockprice = 11.4%, and the current stock price = $58.
Evaluate the ph at the points in the titration : Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
Does the social cost of a monopoly increase : If a cartel like OPEC restricts the output of member nations to less than they are capable of producing with their existing levels of capital equipment, does the social cost of a monopoly increase? Explain.
Calculate the force a mother must exert to hold her child : Calculate the force a mother must exert to hold her 12.0 kg child in an elevator accelerates upward at 0.850 m/s2

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

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