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A 5 gram bullet moving with an initial speed of 400m/s is firedinto and passes through a 1 Kg block. The block, initially atrest on a frictionless, horizontal surface, is connected to aspring with k = 900 N/m. If the block moves a distance of 5cm to the left after impact, find(a) the speed at which the bullet emerges from the block(b) the energy lost in the collision
a cylindrical capacitor has two co-axial cylinders of length 15 cm and radii 1.5 cm and 1.4 cm. the outer cylinder is
The volume flow rate in an artery supplying the brain is 3.29E-6 m3/s. determine the average blood speed
Over a year's time, a person receives a biologically equivalent dose of 21 mrem (millirems) from cosmic rays, What is the person's absorbed dose in rads
how much work must be done to raise a 1100 kg car 1.5 m above the ground? what is the cars potntial energy afterward
A mass sitting on a horizontal, frictional surface is attached toone end of a string, the other end of a wall. 6.0 J of work isrequired to compress the spring 0.14 m. If the mass is releasedfrom rest with the spring compressed, it experiences a ma..
A person on earth notices a rocket approaching from the right at a speed of 0.83c and another rocket approaching from the left at 0.64c. What is the relative speed between the two rockets
A cube floats in water. The length of each side 8 cm. Thecube is 3/4 submerged. Find the volume of the water displaced
What is the lenght of the driveway. An electric field = (89000 N/C, right) causes the ball in the figure below to hang at a 20° angle. The ball's mass is 4.7 g. What is the charge on ball.
use bernoullis equation to estimate the upward force on an airplanes wing if the average flow speed of air is 191 ms
A hand-driven tire pump has a 2.50 cm diameter piston and a maximum stroke of 24.0 cm. What average force do you exert on the piston
On a hot summer day in the state of Washington while kayaking, I saw several swimmers jump from a railroad bridge into the Snohomish River below. The swimmers stepped off the bridge, and I estimated that they hit the water 1 s later.
a photocell that detects the amount of light transmitted through the finger at each wavelength. Identify the frequency of each of these light sources. If 66% of the energy of the red source is absorbed in the blood, by what factor does the amplitu..
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