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A 50 kilogram archer, standing on frictionless ice, shoots a 95 gram arrow at a speed of 95 m/s. Determine what is the recoil speed of the archer?
m/s
A 2.90 box is moving to the right with speed 8.50 on a horizontal, frictionless surface, What distance does the box move from its position at before its speed is reduced to zero
In each second, the sun emits 3.83 x 10^26 Joule. Calculate the power of the sun in horse power
q1. a cd has a playing time of 53.1 minutes. while the music starts the cd is rotating at an angular speed of 498
At the instant the traffic light turns green, a car that hasbeen waiting at an intersection starts ahead with a constantacceleration of 3.55 m/s^2. How fast is the car traveling when it overtakes the truck
A 6 m board of mass 7 kg is hinged at one end, with a 60 kg block nesting on the board 245 cm from the hings. A force ~F is applied vertically at the other end to lift of the board. Find the force exerted by the hinge
How fast can you set the Earth moving? In particular, when you jump straight up as high as you can, what is the maximum recoil speed that you give to the Earth? Let your mass be81.0kg and your maximum jump height be0.300m.
A variable inductor with negligible resistance is connected to an ac voltage source. By what factor does the current in the inductor decrease if the inductance is increased by a factor of 4.2 and the driving frequency is increased by a factor of 2.3?
A friend buys a used pickup truck that comes complete with a CB radio. However, the antenna is broken off, How long should you make the rod
The x-component of the electric field
An object is solid throughout. When the object is completelysubmerged in ethyl alcohol, its apparent weight is 15.1 N. What is the volume of the object
A trap door, of length and width 1.55 m, is held open at an angle of 65.0° with respect to the floor. what is the torque exerted on the trap door by the rope
Here's the question: If you have two metal plates 0.50cm apart, and you drop a bit of liquid (mass of 2.6 x 10^-12 g), How many electrons appear on the drop
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