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A wire 28.0 cm long lies along the z-axis and carries a current of 8.50 A in the +z-direction. find the magnitude of the net magnetic force on the wire
A stone is thrown outward from the top of a 59.4m high cliff with an upward velocity component of 19.5 m/s. How long is the stone in the air
A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45 degrees. With what speed was it thrown
A particle of mass 0.500 kg is attached to the 100-cm mark of a meterstick of mass 0.150 kg. The meterstick rotates on the surface of a frictionless, Calculate the angular momentum of the system
A skier leaves the end of a horizontal ski jump at 22. m/s and falls 3.20 m before landing. how far horizontally does the skier travel in the air before landing
A force of 70.0 N is exerted at an angle of 30.0 below the horizontal on a block of mass 8.00 kg that is resting on a table
A 6.00 V lantern battery is connected to a 10.5 (ohm) lightbulb, What is the internal resistance of the battery
After inverting the tube 100 times, the temperature of the lead shot is found to have increased by 30C
A small airplane flies with a speed relative to the ground (ground speed) of 212.0 km/h in a direction 19.0 degrees to the east of north. what is the speed of the wind
The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. What is the temperature of the liquid
A plastic rod is charged to -20 nC by rubbing. How many electrons have been added or protons removed
The velocity vs. time curve of an object is an increasing straight line. You observe when the time is 1 second that the velocity is equal to 3 m/s, What is the acceleration of the object
A conical pendulum is formed by attaching a 0.90kg ball to a 1.0m -long string, What is the ball's angular velocity, in rpm
The centers of a 7.0kg lead ball and a 140g lead ball are separated by 13cm. What gravitational force does each exert on the other
Jim's dog Sparky runs 55.0m northeast to a tree, then 70.0mwest to a second tree, and finally 20.0m south to a third tree
A flat sheet of paper of area 0.260{\rm m^{2}} is oriented so that the normal to the sheet is at an angle of 54^\circ to a uniform electric field of magnitude 18{\rm N/C}. Find the magnitude of the
A 7.80-g bullet moving at 500 m/s penetrates a tree trunk to a depth of 6.00 cm. find the average frictional force that stops the bullet
An RLC circuit consists of a 48 ohm resistor, 240 micro farad capacitor, and an inductor. What is the inductance
A 668-kg elevator starts from rest and moves upward for 4.30 s with constant acceleration until it reaches its cruising speed, 1.65m/s. What is the average power of the elevator motor
Please help me solve this problem: The electric motor of a model train accelerates the train from rest to 0.600 m/s in 33.0 ms. Find the average power delivered to the train
Suppose a 29.5 kg child sits 1.89 m to the left of center on the same seesaw as the problem you just solved. Find the mass of the second child
Please solve this problem for me: A large cruise ship of mass 7.00 107 kg has a speed of 10.0 m/s at some instant. How much work is required to stop it
A person pushes a 20 kg shopping cart at a constant velocity for a horizontal distance of 22 m. What is the work done by the gravitational force
If a discus thrower rotates through the last 46 degrees of a turn in 0.11 seconds and the distance from the axis of rotation to the center of the discus is 1.22m
During a drive by golfer, the angular velocity of his club is zero at the top of the backswing and 34 rad/s at the bottom of the downswing just before impact with the ball, what is the average angul