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A batter hits a pitched ball when the center of the ball is 1.33 m above the ground.The ball leaves the bat at an angle of 45° with the ground. With that launch, the ball should have a horizontal range (returning to the launch level) of 111 m. (a) Does the ball clear a 8.91-m-high fence that is 101 m horizontally from the launch point? (b) At the fence, what is the distance between the fence top and the ball center?
A motorcycle and 58.0 kg rider accelerate at 2.8 m/s2 up a ramp inclined 10° above the horizontal. What is the magnitude of the net force on the rider
An ordinary drinking glass is filled to the brim with water (267.5 mL) at 3.0° C and placed on the sunny pool deck for a swimmer to enjoy. how much water will have spilled over the top of the glass
Consider two masses ( treat as point masses) of mass m=1.5 kg and m=2.5 kg held together by a massless rod of length 2a=2.0 m and free to pivot at the center of the rod.
A small space telescope at the end of a teather line of length "L" moves at liner speed "v" about a central space station, what will be the linear speed of the telescope if the length of the line is reduced to 0.33L
A bouncy ball is dropped from a heigh h above a floor. If every bounce robs the ball of 6.7% of its kinetic energy just before the bounce, how high will it reach before its eleventh bounce
a point source of light is submerged 2.2m below the surface of a lake and emits rays in all directions. what is the maximum radius that this circle could have
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. The student now starts moving the box up a 10.0° incline, what is the new acceleration of the box
The pressure in a section of horizontal pipe with a diameter of 2.0 cm is 146 kPa. Water flows through the pipe at 2.80 L/s. what should the diameter of the constricted section be
Find the x and y components and the magnitude and direction of the electric field at the following points. Find the x and y components and the magnitude of the electric field at the origin.
A car speeds up from 50 mph to 65 mph to pass a truck. If this requires 7 seconds, what is the average acceleration of the car
What shape would you expect the sampling distribution of x bar for n=84 juveniles to have? Does your answer depend on shape of the distribution of verbal IQ scores for all juveniles.
Lets suppose if a pure Si crystal has 5 X 10 28 atoms m -3. It is dopped by 1 PPM concentration of pentavelents As( arsenic)
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