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A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown. The throw is made with an initial speed of 17 meter per second at an angle of 32.5 degree above the horizontal.
Evaluate how long is the ball in the air?
A block of weight 3.9N is launched up a 30 degrees inclined plane 2.10m long by a spring with k = 2.15kN/m and maximum compression 0.10m, find How much kinetic energy does it have there
When two tuning forks of 146Hz and 161Hz, respectively, are sounded simultaneously, how many beats per second are heard.
A steel rod (ρ = 7860 kg/m3) has a length of2.40 m. It is bolted at both ends between immobile supports. Find the tension that develops when the rodloses 3230 J of heat
Find out the time that the arrow spends in the air.
An 830 kilogram race car can drive around an unbanked turn at a maximum speed of 58 m/s without slipping. Obtain what would be the maximum speed if no down force acted on the car
A 1200-kg car travels at a constant speed of 18.00 m/s around a circular track that is 80m across. What is the kinetic energy of the car?
An object, of mass m = 2 kg, is located between two massless springs on a frictionless incline of 30o . Initially the object is held at a position where the lower spring (k1= 950 N/m), Determine the maximum compression of the upper spring
a fisherman is dozing when a fish takes the line and pulls it with a tension F the spool of the reel is at rest intialy, find the magnitude of the final angular velocity of the spool
Consider a planet of radius 5.78 106 m with a rotation period of 21.6 hours. Compute the radial acceleration of a point on the surface of the planet
When monochromatic light shines perpendicularly on a soap film(n = 1.33) with air on each side, the second smallest nonzero film thickness for which destructive interference of reflected light is observed is 326 nm. What is the vacuum wavelength of t..
a coin is placed 18.0 from the axis of a rotating turntable of variable speed. when the speed of the turntable is
In 9.00 days the number of radioactive nuclei decreases to one-eight the number present initially
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