Calculate the mass of the box

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

User Account

All Pages