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During basketball tryouts, Umass walk-on hopeful Dwayne Madison stole a pass at his own free throw line. He then spring straight down the court to the opponent's free throw line, 56ft away (1ft=0.3048m), and proceeded to throw up a brick that went over the backboard and out of the gym. If it took him 4.8 seconds to run from his free throw line to the opponent's free throw line:
What was his avg velocity (in m/s)?
If his instantaneous velocity at the midway point was 5.4m/s, and it took him 2/3 of the total time to get there:
What was his avg acceleration to the midway point (in m/s2)?
A satellite in geosynchronous orbit above the moon will go around once in 27.3 days. what is the orbital radius of the satellite
A cylinder with a piston contains 0.300 moles of oxygen at 2.20×10^5 pa and 340 K . The oxygen may be treated as an ideal gas. Find the internal-energy change during the final cooling
A pencil is held perpendicular to the optical axis of a concave spherical mirror. The pencil is 81 cm from the center of the mirror, What is the magnification of the pencil's image
what would be the closest distance the bead would be from the point charge? (HINT for B: what would be the speed of the bead at this point? use energy conservation)
Using the kinematic equation, prove that if two balls are released simultaneously from table, one with zero velocity and the other with a horizontal velocity, they would both reach the ground at the identical time.
Water flows trough a normal garden hose at 2 m/s. how fast does the water emerge from the hose nozzle
question1attempting to stop on a slippery road a car moving at 85 skids across a road at a 30 angle to its initial
A playground merry-go-round has radius 2.90m and moment of inertia 2500kg?m2 about a vertical axle through its center, and it turns with negligible friction. How much work did the child do on the merry-go-round
A hot-air balloonist, rising vertically with a constant velocity of magnitude v= 5.00 m/s, releases a sandbag at an instant when the balloon is a height h= 40.0 m above the ground. What is the greatest height above the ground that the sandbag reach..
What benefits does one provide over the other and what pitfalls must the professional be aware of?
As in the previous problem (43), a solid block is suspended from a spring scale. If the reading on the scale when the block is completely immersed in water is 25.0 N, what are the block's volume and density
q1. a car slows down with an acceleration that has a magnitude of 3.6 ms2. while doing so it travels 113 m in the x
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