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Your opponent, in a desperate attempt to return your wicked serve, makes a high lob of the tennis ball that causes it to land out of bounds on the asphalt course behind you. It then bounces so that it just barely clears a 3.50 m wall that is 2.22 m from where the ball hit the asphalt and that is separating your court from the next. In the adjacent court play is suddenly interrupted by the ball leaving your court and bouncing 1.50 m up into the action. How far horizontally, in meters, does the ball travel in this second bounce? Hint: Use the trajectory of the first bounce to get the horizontal speed, and assume that it remains unchanged between bounces.
a wooden block of volume 5.231e-4 m3 floats in water and a small steel object of mass m is placed on top of the block.
Old Faithful geyser in Yellowstone Park erupts at approximately 1 hr intervals, and the height of the fountain reaches 40.0 m. The speed of the water as it leaves ground level is 28m/s. What is the pressure (above atmospheric pressure) in the heated..
A tennis player hits a ball at ground level, giving it an initial velocity of 25.0m/s at 52.0 degrees above the horizontal. What is the ball's velocity at its highest point
Use work and energy to calculate the stopping force on an egg ( we will model it as an spherical object) that is dropped form a height of 2m
An electron with a speed of 5.16 × 108 cm/s in the positive direction of an x axis enters an electric field of magnitude2.16 × 103 N/C, Determine how much time will have elapsed
Suppose we plotted I(0) (magnitude of the current) as afunction of the inverse of the equivalent resistance. what should the slope and intercept be
If an electron's position can be measured to a precision of 2.2 x 10-8 meter, find how precisely can its speed be known
make Use of Stefans law to calculate the total power. What is the magnitude and direction of the force she exerts on you.
A falling stone takes ?t = 0.26s to travel past a window2.2 m tall, From what height above the top of the window did the stone fall
Find the initial compression of the spring so that the block presses the track with a force mg when it reaches the point P [see. Fig], where the radius of the track is horizontal.
An inductor of 491 mH with a resistance of 47 ? is connected to a power supply with a maximum voltage of 135 V and a frequency of 77 Hz. Find the power loss in the inductor
Write down KVL for both the base loop and the collector loop when the transistor is in saturation.
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