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Q. A major-league pitcher can throw a baseball in excess of 44.6 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches catcher who is 18m away from the point of release?
Q. A car traveling at 24m/s runs out of gas while traveling up a 21 degree slope. How far up hill will it coast before starting to roll back down?
A door of width 1.0 and height 2.0 weighs 279 and is supported by two hinges, one a distance 0.500 from the top and the other a distance 0.50 from the bottom. Each hinge supports half the total weight of the door.
A rectangular container measuring 26 cm 47 cm 59 cm is filled with water. What is the mass of this volume of water in kilograms and grams.
A puck slides along the frictionless track shown in the figure with an initial speed of 7.40. Suppose the puck turns all corners smoothly, with no loss of speed.
A 320 piano slides 3.3 down a 24 incline and is kept from accelerating by the man who is pushing back on it parallel to the incline. Determine the work done by the man on the piano.
Calculate for the capacitance, the charge of plate, and magnitude of electric field between the plates for a capacitor whose plates are 11 mm apart are 2.00 m-2 in area and being connected to a source with potential difference of 270V.
A 320 kg rocket sled can be accelerated at a constant rate from rest to 1400 km/h in 2.0 s. What is the magnitude of the necessary net force.
A flight attendant pulls her 61N flight bag a distance of 279m along a level airport floor at a constant velocity. The force she exerts is 41N at the angle of 50° above the horizontal.
Find out the total work done on the car by the external forces.
What is total mechanical energy of the motion
A tank with vertical walls, 2m wide and 2m long and 2.5 m high, is filled with 4800 litres of water (density 1000 kg/m3) and 3200 litres of light oil (density 900 kg/m3). compute the magnitude and location of the resultant force on each of the ver..
what is the magnitude of the net force acting on ball.
26 g of copper pellets are removed from a 300 degree Celsius oven and straight away dropped into 116 mL of water at 25 degree Celsius in an insulated cup. What will the new water temperature be.
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