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A ball is launched from an angle above the horizontal at ground level. Consider the ball's Trajectory:
a) Where is the vertical velocity the greatest?
b) Where is the greatest horizontal velocity?
c) Where is the vertical velocity least?
d) What is the name of the curve called that the ball travels?
Three resistors, 28, 48, and 80 ?, are connected in series, and a 0.53-A current passes through them. What is the potential difference across the three resistors
A radio transmitting station operating at a frequency of125 MHz has two identical antennas thatradiate in phase. Antenna B is 11.0 m to the right of antenna A. Considerpoint P between the antennas and along the line connectingthem, a horizontal di..
When 165 grams of an unknown metal at 225 degrees C is placed into 875 grams of water at 24.4 degrees C inside a perfect calorimeter, Find the specific heat capacity of the unknown metal
A positive point charge Q1 = 2.8×10?5C is fixed at the origin of coordinates, and a negative charge Q2 = ?5.5×10?6C is fixed to the xaxis at x=+1.5m. Find the location of the place(s) along the x axis
a flint glass plate n 1.66 rests on the bottom of an aquarium tank. the plate is 5.50 cm thick vertical dimension and
On vacation, your 1250 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 1.75 m/s2. What is the net force exerted on the trailer
In a certain toy telescope front lens (the objective lens) has a focal length of 75 mm and the objective lens has a focal length of 10 mm. What is the magnification of the telescope
An object undergoes simple harmonic motion in the x direction. Its position is given by x=A sin(0.497 t + 4.32), What is the frequency of the object's motion in hertz (Hz)
A 2.10-kg block is suspended from a springwith a spring constant of 380.0 N/m. Find the amplitude of the subsequent motion
catching a wave a 71 kg surfer starts with a speed of 1.3 ms drops through a height of 1.95 m and ends with a speed of
unpolarized light with intensity io passes through two polarizers the transmission of the one is vertical and that of the other is 60 degrees to the vertical
A basketball leaves a player's hands at a height of 2.10mabove the floor. The basket is 3.05m above the floor. what is the range of initial speeds allowed to make the basket
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