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A stone is dropped from the top of a tower 400 m high and at the same time another stone is projected upward vertically from the ground with a velocity of 100 ms -1 . Find where and when the two stones will meet.
Calculate the energy stored in a 60 pF capacitor when it is charged to a potential difference of 2.0Kv
GPS satellites orbit the Earth at an altitude of 12,500 miles. How long does it take these satellites to make a complete orbit of the Earth?
\(\sum_{}^{}A_{n}sin(nk_{1}z); n = 1, 3, 5.....\) Formula 1 Formula 2 Prove the following two statements using a method that makes use of the normal modes of a continuous string with appropriate boundary conditions, and is equivalent to the the Fo..
Bob walks directly north for 400 m, then turns 45 degrees to his right and jogs at 5 m/s for 500 m northwest, then turns another 30 degrees to his right and walks 600 m. Discover Bob's net displacement vector. Include both direction and magnitude. Wh..
Suppose you could pack neutrons (mass = 1.67 × 10-27 kg) inside a small ball of radius 0.033 m in the same way as neutrons and protons are packed together in the nucleus of an atom. Approximately how many neutrons would fit inside the ball
Water flows from a 1/2 inch diameter pipe with a flow of 1m/sec. How many kg of water flow from the pipe in onesecond? How many gallons per day
Billy is running on level ground with a speed of 3.5 m/s. He attempts to jump a ditch that is 1.5 meters wide. determine the minimum vertical component of velocity when he jumps
A person is riding a bicycle, and its wheels have an angular velocity of 22.7 rad/s. What is the anguar acceleration (in rad/s2) of each wheel
A ball of mass m makes a head-on-elastic collision with a second ball (at rest) and rebounds with a speed equal to one-fourth its original speed. What is the mass of the second ball.
A large container, open at the top, is half-filled with water (?H2O = 1000 kg/m3). Determine the fractions of the cube immersed in water and oil
Write down an equation in terms of the 3 unknowns for the students canoeing upstream. This is of the form, velocity is equal to distance over time - Sketch a plot of velocity versus time.
q1. two small charged metal spheres a and b are situated in a vacuum. the distance between the centres of the spheres
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