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A 55.6 kilogram kid slides down a water slide with a velocity of 0.9 m/s at the top. At the bottom of the slide, he is moving horizontally, y=1.5 m above the water. He splashes into the water d =2 m to the left of the bottom of the slide. Assuming potential energy to be zero at the water level, obtain the mechanical energy of the kid at the top of the slide?
Find how high is the top of the slide above the bottom of the slide?
You have been asked to design a "ballistic spring system" to measure the speed of bullets. A bullet of mass m is fired into a block of mass M. What fraction of the bullet's energy is "lost"
Suppose the skateboarder shown in the drawing reaches a height of2.30 m above the right side of the semicircular ramp. He then makesan incomplete midair turn and ends up sliding down the right sideof the ramp on his back. When the skateboarder rea..
A 8.59 kg sphere of radius 6.57 cm is at a depth of 2.92 km in seawater that has an average density of 1025 kg/m3. Define the (a) gauge pressure, (b) total pressure, and (c) corresponding total force compressing the sphere's surface?
A positively charged bead having a mass of 1.00 g falls from rest in a vacuum from a height of 5.00 m in a uniform vertical electric field with a magnitude of 1.00 × 10^4 N/C. The bead hits the ground at a speed of 21.0 m/s. Determine (a) the directi..
the entrance to a large lecture room consists of two side-by-side doors one hinged on the left and the other hinged on
Find the average force on the driver if the deceleration is accomplished gradually by the application of brakes over a 10.6 s interval
Light of wavelength 650 nm is incident above at an angle of 90 upon a glass plate as shown below. The glass plate rests on top of a second plate so that they touch at one end and are seperated by .0325mm at the other end as shown in the figure.
A 110 granite cube slides down a 45 degree frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 235 steel cube at rest. How high above the table should the granite cube be released to give the steel cube a..
A 2.0 kg box of running shoes slides on a horizontal frictionless table and collides with a 1.0 kg box of ballet slippers initially at rest on the edge of the table, at height h = 0.41 m. find their kinetic energy just before they strike the floor
0.97 L of 16C water is placed in a refrigerator. What is the refrigerator's coefficient of performance
When an object moves through a fluid, the magnitude of the drag force F drag acting on the object is given by .5CρρV2A where ρ is the density of the fluid
A spacecraft receding from he earth at 0.97c transmits data at the rate of 1*104pulses/s. At what rate are they received.
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