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A cannon is launched at an angle of 45.00 and the cannon ball lands 301 m away.
a. What was the velocity of the cannon ball when it was launched?
b. How long was the cannon ball in the air?
c. How high did the cannon ball go?
A yo-yo of mass 0.10kg and a radius of 0.03 m is released from rest, with the free end of the yo-yo string held fixed. Find the acceleration of the yo-yo
When you push a 1.95kg book resting on a tabletop it takes 2.50N to start the book sliding. Once it is sliding, though, it takes only 1.50N to keep the book moving with constant speed. What are the coefficients of static and kinetic friction betwe..
A convex mirror has a focal length of -48.0 cm. A 12.0-cm-tall object is located 36.0 cm in front of this mirror. Using a ray diagram drawn to scale, determine the location of the image. Note that the mirror must be drawn to scale
Three positive particles of equal charge +11 uC, are located at the corners of an equilateral triangle of side 15.0 cm. calculate direction of the net force on each particle
Illustrate a basketball momentum vectors
The objective of a refracting astronomical telescope has a focal length of 3.60 m. What is the angular magnification of the telescope
A 65-kg woman cheats on her diet and eats a 612-Calorie (612 kcal) jelly doughnut for breakfast. If the human body is only 21% efficient in converting chemical energy to mechanical energy, how many stairs must the woman climb to work off her breakf..
What is the gauge pressure of the air in the tires when its temperature rises to 27 .00C and its volume increases to 1.67 x 10-2 m3? Assume atmospheric pressure is 1.01 x 105 Pa.
Two conductors having net charges of +15.0 µC and -15.0 µC have a potential difference of 15.0 V between them, obtain the capacitance of the system
a 71 kg baseball lplayer jumps straight up to catch a line drive. If the 140 g ball is moving horizontally at 28 m/s, what is his speed immediately after stopping the ball
A string passes over a frictionless pulley and connects a 250 g block to 2.00 kg block. The inclines are frictionless. Assuming you release both masses from rest, how much time would it take the 250g to travel 2200cm next to the ramp.
An L-R-C series circuit, R=150 ohms, L= 0.750H, and C= 1.70x10^-2uF. The source has a voltage amplitude of 140V, What is the average power delivered by the source
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