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A 25.0 kg box slide 4.0m down the frictionless ramp shown in the figure then collides with a spring whose spring constant is 250N/m.
What is the maximum compression of the spring?
At what compression of the spring does the box have its maximum speed?
four long parallel wires each carry 2.0 a in the same direction. they are parallel to the z-axis and they pass through
white light is shone on a very thin layer of quartz n 1.54 and above the quartz layer interference maxima for two
The images of astronomical and terrestrial telescopes are colored around the edges. Explain that. How can this "chromaticaberration" be avoided in practice?
On a hot summer afternoon, Keith is out fishing in a rowboat when he decides to jump into the water and go for a swim, what is its velocity in the opposite direction after he jumps
A 675 kilogram elevator starts from rest and moves upward for 3.40 second with constant acceleration until it reaches its cruising speed, 1.65 m/s. Find the average power of the elevator motor during this period
You drop a stone into a deep well and hear it hit the bottom 2.60 s later. This is the time it takes for the stone to fall to the bottom of the well.
An automobile has a 24 Watt reading lamp in the ceiling of the car. If it is attached to the 12 Volt car battery, how much current flows through the bulb
A force of 2 N is applied to a stationary 5 kg block for 0.3s. What is the speed of the block after the force is applied
a football player kicks a ball with a speed of 22.5 ms at an angle of 47deg above the horizontal from a distance of 35
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Assume the orbit to be circular and 360 km above the surface of the Moon, where the acceleration due to gravity is 1.16 m/s2. The radius of the Moo..
Let h = 25.5 m and vi = 13.6 m/s. Find the speed of the ball just before it hits the ground. vf = 26.167919 m/s Find the ball's mechanical energy at the release point. KEi + PEi = _______J Find the ball's mechanical energy just before it hits the gro..
A ball whose mass is 1.3 kg is suspended from a spring whose stiffness is 3 N/m. Suppose this apparatus were taken to the Moon, where the strength of the gravitational field is only 1/6 of that on Earth. What would the period be on the Moon
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