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A plane is heading south at a speed of 500 km/h. There is a wind of a speed of 70 km/hr (average) heading southwest. Obtain the velocity (magnitude and direction) of the plane relative to the ground, and determine how far from its intended position will it be after 30 minute if the pilot takes no corrective action.
A hot dog cooker heats hot dogs by connecting them to 120 V household electricity. A typical hot dog has a mass of 50g and a resistance of 130ohm . How long will it take for the cooker to raise the temperature of the hot dog from 20c to 80c ? The ..
A 33 kg box rests on the back of a truck. The coefficient of staticfriction between the box and the truck bed is 0.300. Find the maximum acceleration the truck can have
suppose that an insulating container of negligible mass contains 0.55 kg of water at a temperature of 64 degrees c. now
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. What is the mass of the wheel
A projectile is fired horizontally from a gun that is 79.0 m above flat ground, emerging from the gun with a speed of 250 m/s. How long does the projectile remain in the air?
A clock has a second hand whose tip rubs against the inside of the glass cover. what is the minimum torque that must be applied to the second hand
Parallel-Plate capacitor has plate area 0.4m^2 and a separation of 0.1mm. How much energy is stored in its field
A tennis ball is thrown out a window 28m above the ground at an initial velocity of 15.0 m/s and 20 degrees below the horizontal. How far does the ball move horizontally before it hits the ground?
A ski jumper leaves the ski track moving in the horizontal direction with a speed of 25.0 m/ s. Obtain the velocity when the jumper lands
In outer space a rock of mass 8 kg is acted on by a constant net force N during a 5 s time interval. What was the rock's velocity at the beginning of the time interval
A man of mass M kg lying on a surface of negligible friction shoves a stone of mass m kg away from himself,what speed does the man acquire as a result
If a curve with a radius of 85 is perfectly banked for a car traveling 71 , what should be the coefficient of static friction for a car not to skid when traveling at 86.
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