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A 0.650 kg ice puck, moving west with a speed of 5.0 m per second, has a head-on collision with a 0.957 kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed and direction of each puck after the collision?
An infinitely long line of charge has a linear charge density of 4.50×10?12C/m. How close does the proton get to the line of charge
Suppose a meteor of mass 3.40 1013 kg is moving at 31.0 km/s relative to the center of the Earth and strikes the Earth. What is the change in the angular speed of the Earth due to this collision
A bullet moving at 244 m/s strikes a tree and penetrates a distance of 8.34 mm before stopping. What was the average acceleration of the bullet as it slowed
A 2 g lead (cp = 128 J/kg•°C) bullet travelling at 325m/s is stopped by the large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet whereas the other half is transmitted to the tree, wha..
a projectile is launched from a 50 m high cliff, with an initial velocity of 65.0 m/s, at an angle 67.4 degrees above horizontal. how far away from the cliff does it land
A steel cable with total length,52 mand mass,130 kgis connected to two poles. Calculate the wavelength of the resulting wave on the cable
If you hold a 900cm2 square plane mirror 43cm from your eyes and can just see the full length of an 7.7m flagpole behind you, how far are you from the pole
A mass of 6.70 kg is suspended from a 1.15 m long string. It revolves in a horizontal circle, Calculate the angle between the string and the vertical
A heat engine operating between energy reserviors of 119.94 oC, How much energy must this engine extract from the hot reservior to do 1,583.1J of work
The pilot of an aircraft wishes to fly due west in a 33.10 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190 km/h what must its speed relative to the ground be.
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 12 A, find the power consumed by the vacuum cleaner
The crates are pulled to the right at a constant acceleration 3m⁄s^2 by a horizontal force F. Calculate (a) the magnitude of the force F and (b) the tension in the rope connecting the blocks. Include the free body diagram or diagrams you used.
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