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Question1
A fishing pole is 2.00 m long and inclined above horizontal at the angle of 20.0°. A fish is pulling on it with a force of 100N 37-degrees below horizontal. What is torque exerted by the fish about an axis perpendicular to the page and passing during the hand of the person holding the pole?
Question2
A wheel starts from rest and rotates with constant angular to reach angular speed of 15.0 rad/s in 3.0s. Find out the magnitude of angular acceleration of the wheel and an angle in radians through that rotates in this time interval.
Question3
(a) A very powerful vacuum cleaner has a hose 2.86 cm in diameter. With no nozzle on hose, what is weight of the heaviest brick it can lift?
(b) A very powerful octopus uses one sucker, of diameter 2.86 cm, on each of the two shells of a clam, in an attempt to pull the shells apart.
Find out the greatest force octopus can exert in salt water
A thin 7.3-m metal rod sustanins a longitudinal standing wave with vibration antinodes at each end of the rod. What is the frequency of the rod's vibration
the label on a soft drink states 15.fl oz (444g) provides 220 kcal. The drink is cooled to 15degree Celsius before it's consumed. Find net energy content of drink
Mr. Gewanter, who's mass is 60.0 kg, is doing physics demonstration in the front of the classroom. a) How much gravitational force does he exert on 55-kg Martha in the front row, 1.50m away? b) How does this compare to what he exerts on 65-kg Lest..
Two packing crates of masses m1 = 10.0 kg and m2 = 5.00 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.26. The 5.50 kg crate lies on a smooth incline of angle 40.0°. Find out the acceleration of the 5.50 ..
A bicycle wheel is rotating at 40rpm when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.45rad/s2, What is the wheel's angular velocity, in rpm, 10s later
A storage tank at STP contains 18.5kg of butane gas, C4H10, Determine the number of moles of butane gas
A very long solenoid of circular cross section with radius r= 4.60cm has n= 60.0 turns/cm of wire. What is the magnitude of the force on the electron
A jet flying at 107 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, Calculate the magnitude of the necessary lifting force
An electric dipole includes a charge of 4 ?C and a second charge. What is the total charge of the dipole
You push on the chair with a force of = 35.0 directed at an angle of 43.0 below the horizontal and the chair slides along the floor.Using Newton's laws, compute the magnitude of the normal force that the floor exerts on the chair.
A heat engine that is 58.6% efficient does 235.4 kJ of work. How much thermal energy input was required to perform this work
A wire is 1.50 m long and has a diameter of 1.5. The tensile modulus of the wire is 6.20 x 10^10 N /m. what is the increase in length of the wire
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