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What is the combined contact force on the log by ropes 1 and 2? In this case, give your direction in terms of an angle in degrees measured counterclockwise (CCW) from the Easterly direction. The angle may be anything between 0 and 180 degrees. If your calculation results in an angle that would have to be measured clockwise (CW) from the Easterly direction, then give a negative angle.
A highway curve with a radius of 650 m is banked properly for a car traveling 120 km/h. how much sideways force must the tires exert against the road if the car does not ski
If an airplane accelerates at 10 m/s2 for 12.3 seconds. How far has the plane traveled in that amount of time
A soccer playrer kicks a 0.5kg ball from rest to a speed of 9m/s during a 0.15s contact between his foot and the ball. What is the average force applied by the players foot during the kick
A car is travelling in a straight line at a speed of 91.0 km/hr. how much further will the car travel after the brakes are applied
A chunk of 22 gram ice is pulled from a freezer keeping temperature -25 deg. Celsius, and placed in an identical calorimeter as the one described in problem 1. What is the experimental latent heat of fusion of ice
q1.an green hoop with mass mh 2.4 kg and radius rh 0.14 m hangs from a string that goes over a blue solid disk pulley
Old naval ships fired 13 kg cannon balls from a 210 kg cannon. It was very important to stop the recoil of the cannon, since otherwise the heavy cannon would go careening across the deck of the ship.
A metal sphere with radius r_a is supported on an insulating stand at the center of a hollow, metal spherical shell with radius r_b. There is charge + q on the inner sphere and charge - q on the outer spherical shell. Take potential V to be zero w..
A 3.4 kg piece of aluminum at 28°C is placed in 1.0 kg of water in a Styrofoam container at room temperature (20°C)
What is the car's maximum speed on an incline. A fire hose held near the ground shoots water at a speed of 5.4 m/s, At what angle(s) should the nozzle point in order that water land 2 m away.
A particle has a charge of -3.25 . Find the magnitude of the electric field due to this particle at a point 0.215 directly above it. Find the direction of the electric field at this point
At the instant of the figure, a 1.4 kg particle P has a position vector r of magnitude 1.1 m and angle ?1 = 45° and a velocity vector v of magnitude 3.8 m/s and angle ?2 = 30°. What is the torque acting on the particle about the origin
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