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A hockey puck moving at 34m/s slams through a wall of snow 40cm thick. It emerges moving at 17m/s.
A) Assuming constant acceleration, find the time the puck spends in the snow.
B) Assuming constant acceleration, find the thickness of a snow wall that would stop the puck entirely.
An elevator at the CN Tower in Toronto, Canada, is able to lift 2000 kg (including the load and the car) to a height of 350 m in 60.0 s. find the minimal power required for the motor of the elevator
A 57 gram tennis ball is served at 45 meters per second. If the ball started from rest what impulse was applied to the ball by the racket
a 5kg Potter's wheel (model as a disk) with radius 0.3m is spinning at 5 rad/s. what is the mass of the clas
Unpolarized light is incident upon two polarization filters that do not have their transmission axes aligned. what is the angle between the transmission axes of the filters
A parallel-plate capacitor has circulat plates of 7.00 cm radius and 1.01 mm separation. Calculate the capacitance in picofarads
A turntable rotates with a constant 2.00 rad/s2 angular acceleration. After 4.80 s it has rotated through an angle of 54.0 rad. What was the angular velocity of the wheel
what resistance would have to be connected in series with a 3V lamp in a 28 V circuit when the operating current of the lamp is .5 A
A 2.4 m long rod of mass m1 = 16.0 kg, is supported on a knife edge at its midpoint. Find the angular momentum of the rod and clay system about the point of support immediately after the inelastic collision
Objects that are at rest relative to Earth's surface are in circular motion due to Earth's rotation. What is the radial acceleration of a tree
Calculate the final equilibrium temperature assumning no heat loss after mixing occurs.
The entrance to a large lecture room consists of two side-by-side doors, one hinged on the left and the other hinged on the right. Each door is 0.740 m wide. Sound of frequency 708 Hz is coming through the entrance from within the room.
In the field of psychology, what is meant by the term “catharsis”? According to Joseph Bruer, Illustrate what effect did “catharsis” have on the mental functioning of someone with a “troubled mind”? Why?
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