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One end of a 33cm long aluminum rod with a diameter of 2.8 is kept at 420C and the other is immersed in the water at 24C.
Calculate the heat conduction rate along the rod?
a 0.1kg ball moving at 10 m/s collides with a 1 kg block that is initially at rest. Find the ratio of the kinetic energies of the two objects after collision
An electron with a speed of 3.55·E5 m/s enters a uniform mangetic field of magnitude 0.0397 T at an angle of 34.5° to the magnetic field lines, Determine the radius of the helical path
A car has 53% of its weight on its front wheels and 47% on its rear wheels, How far from the rear axle is the car's center of gravity
A certain string can withstand a maximum tension of 36 N without breaking. What is the speed of the stone as the string breaks
You're driving down the highway late one night at 18 when a deer steps onto the road 36 in front of you. The reaction time before stepping on the brakes is 0.50, and the maximum deceleration of your car is 12.
A car takes 11 s to go from v = 0 to v = 80 m/s at about constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value must you use for a.
A 665 kg elevator starts from rest. It moves upward for 3.22 s with constant acceleration until it reaches its cruising speed, 1.84 m/s
On August 19,1987, Alessandro Andrei set a world record in the shot put with a throw of 22.9 m (75 ft 2 in.). What was the maximum height the projectile reached above the ground
A bicycle wheel of radius 0.4 m is spinning at a rate of 65 revolutions per minute. find the centripetal acceleration of a point on the edge of the wheel
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
What is the speed of light in crown glass (n = 1.52) and What is the speed of light in ethyl alcohol (n = 1.36)
A student throws a set of keys vertically upward to his fraternity brother, who is in a window 3.60 m above. The brother's outstretched hand catches the keys 1.20 s later.
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