A van with mass m-1000 kg is traveling around a circular curve of radius r-560 m when it begins to rain The coefficients of static friction between the road and tires is μ,-0.68 when dry and m'-a18 when wet 33% Part (a) Write an expression for the maximum magnitude of the force of state fretion Fracting on the van ifMg is the coefficient of friction Grade Summary Deductions 00 Potential 1004 0 Submissios Attempts remanng amempt) Submit Hint Hists: n deduction per hint Hints remaining FeedbackHIon pArdbac 33% Part (b) wat is the maximum tangential speed that the van can take the conser at without slippurag when dry innu? 33% Part (c) What is the maximuns tangential speed when wet in m s?

Atown is considering building a biodiesel power plant that would burn biomass to generate electricity. which of the following correctly lists an advantage and a disadvantage of this project?

Aroll in a paper machine is powered by a separately excited dc machine. operating point 1 (under load): the roll typically operates at 764 rpm and must provide 301 nm of torque to oppose the load of the paper. the armature voltage is 230v for this operating point operating point 2 (no load): when the load is removed the speed of the roll increases to 900 rpm (the field characteristics are unchanged) la ea dev m (a) calculate the maximum torque (units of nm) that the motor can supply with this applied voltage (b) calculate the value of the armature resistance, ra (in ohms) (c) at operating point 1 (loaded condition), the field current, i, and the total input power (armature field), are measured to be to be 10 a and 28,600 w respectively. use this information to calculate the value of the field resistance, rf (in ohms). (d) (d) at operating point 1 (loaded condition), calculate the motor efficiency. express your answer as a percent to at least 2 significant digits. (d) if the field voltage is reduced by 1/2, calculate the new stall torque (in nm) of the motor (f). if the field voltage is reduced by 1/2, calculate the new no-load speed (in rad/sec)

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec