How much force does he use in order to maintain a speed

Assignment Help Physics

Reference no: EM13489917

A man pushes a wooden crate on wooden floor. The direction of the force is 30o from the horizontal.

(a) How much force does he use in order to maintain a constant speed?

(b) How much work is done if he pushes the crate over a distance of 25.0 m? Kinetic friction coefficient for wood/wood is 0.50.

Reference no: EM13489917

Questions Cloud

Explain it acts as an electrophile on which an enolate ion : What was the purpose of using aq. NaOH in aldol condensation lab? A. It acts as an electrophile on which an enolate ion can attack B. It acts as a nucleophile which can attack an electrophilic carbonyl carbon.

How did they manage the situation : Marks will be given on the soundness of your argument, research conducted, quality of report (presentation, referencing) and the understanding of the issues. Each report will be assessed individually.

How much revenue is recognized on the march income : How much revenue is recognized on the March income

Explain data to calculate keq for the reaction : When 0.941 mol of gaseous HI is sealed in a 1.00-L flask at 225°C, it decomposes until the equilibrium amount of I2 present is 0.171 mol: 2HI(g) ? H2(g) + I2(g) Use these data to calculate Keq for this reaction at 225°C

How much force does he use in order to maintain a speed : A man pushes a wooden crate on wooden floor. The direction of the force is 30o from the horizontal. How much force does he use in order to maintain a constant speed

Strategy case study and financial analysis : Strategy case study and financial analysis

Make capital investment decisions : Compute the payback period and using ARR to make capital investment decisions. Refer to the Robinson Hardware information in Exercise E26-19. Assume the project has no residual value. Compute the ARR for the investment. Round to two places.

What is the engines torque at that speed : A 320 hp car engine can deliver that maximum power at 7000 rpm. What is the engine's torque at that speed

Explain correctly shows intrachain hydrogen bonding : Which of the following correctly shows intrachain hydrogen bonding (???) in an alpha-helix? A. -NH HN- B. -C=O HC- C. -C=O HN- D. -C=O O=C- E. -CH HC-

User Account

All Pages