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Question: A ball thrown straight up at ground level passes a height of 174.2 m in 5.7 s. The acceleration of gravity is 9.8 m/s2.
Question 1: What was its initial speed?
Hello Experts please provide me the detailed computation for above question, answer in units of m/s.
A 2.2 meter long pendulum is released from rest when the support string is at an angle of 26 degree with the vertical. Calculate the speed of the bob at the bottom of the swing
An enemy ship is on the east side of a mountainous island. The enemy ship can maneuver to within 2500 meters of the 1800 meter high mountain peak and can shoot projectiles with an initial speed of 250m/sec. If western shoreline is horizontally 30..
a pellet gun is fired straight downward from the edge of a cliff that is above the ground. the pellet strikes the
consider an electron in a 1-d box of length 258 pm.a. what is the zpe in j per electron? in kjmole?b. where would the
Ash "the working bee" decides to gather pollen and in her quest flies 50 meters from a beginning point at 0° along the west and finds nothing. Determine the displacement and direction of the bee
a block is at rest on an incline of 37 degrees. the coefficients are μs=.81 and μk=.69, resepectively. what is the largest angle which the incline can have
A large electroscope is made with "leaves" that are 78-cm-long wires with tiny 50g spheres at the ends. When charged, almost all the charge resides on the spheres.
A solar cell generates a potential difference of 0.0866 V when a 500 ? resistor is connected across it, and a potential difference of 0.1333 V when a 1000 ? resistor is substituted. What is the internal resistance of the solar cell? What is the emf o..
A ball of mass 0.40 kg has a kinetic energy of 28.8 J. What is the magnitude of the linear momentum of the ball
If the area of the crack is 1.3 cm^3, at what rate of flow does the water leave the container
Please show steps: Hydraulic engineers in the United States often use, as a units of volume of water, What volume of water, in acre-feet, fell on the town
A diatomic gas does 390.3 Joule of work and also absorbs 2426 cal of heat. Estimate the change in internal energy of the gas
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