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You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0 m above the ground. (Figure 1) Assume the overhang of the roof is negligible, so that you may assume the edge of the roof is 6.0 m from you and 6.0 m from your friend. From the ground to where the roof begins is 3.0 m. The pitch of the roof is 45 degrees and meets the opposite side of the roof above the center of the house. You and your friend are 18.0 m apart making the width of the house 6.0 m. What minimum speed will allow the ball to clear the roof and at what angle should you throw the ball?
A professor's office door is 0.95 wide, 2.2 high, 4 thick; has a mass of 22 , and pivots on frictionless hinges. A "door closer" is attached to door and the top of door frame. When the door is open and at rest, the door closer exerts a torque of 5..
An observer inside the building notices that it takes 0.15s for the tile to pass her window, whose height is 2.20m. How far above the top of this window is the roof.
A wheel has a radius of 0.5 m. If the wheel rotates on its axis through an angel of 46 degrees, what distance does a point on the rim of the wheel move
Water flows at 0.25{\rm L}/{\rm s} through a 12-m-long garden hose 2.0{\rm cm} in diameter that is lying flat on the ground. find the gauge pressure of the water where it enters the hose
IP An rms voltage of 12.5V with a frequency of 1.10kHz is applied to a 0.375?F capacitor. Calculate the current for a frequency of 2.20kHz
For an electromagnetic wave propagating in sodium, Determine the penetration depth for 10^6, 10^15, and 2*10^15 Hz
compute the total energy radiated by the Sun each second.
compute the distance x the spring was compressed.
An AC generator operates at 22 V and delivers 200 W of power through an ideal (no loss) transformer to the load with the resistance 4.0 \Omega
A transformer with 1710 turns on the primary and 229 turns on the secondary is used in an electric slot car racing set to reduce the input voltage amplitude of 170 V from the wall output
IF Earth's orbit were suddenly to become much more eccentric. keeping orbital semimajor axis as is, Is our solar system typical in having all of its planets in very low eccentricity orbits
Three balls are constrained to move on the circumference of a circle of radius R. find the characteristic frequencies of the system
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