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Solve the all parts of following question:
Question: A world-class sprinter accelerates to his maximum speed in 4.2s. He then maintains this speed for the remainder of a 100-m race, finishing with a total time of 9.3s.
Part A: What is the runner's average acceleration during the first 4.2s?
Part B: What is his average acceleration for the entire race?
I need help to determine his average acceleration for the entire race.
What is the distance between adjacent crests of ocean waves that have a frequency of 0.24 Hz if thewaves have a speed of 3.6 m/s
For the definitions please include the equations to: Give a definition of the moment of inertia and Give a definition of the torque as a vector. Briefly describe torque
A ship is floating on a lake. Its hold is the interior space beneath its deck; the hold is empty and is open to the atmosphere. What volume of water per second leaks into the ship
Two wires are anchored at both ends. Wire 1 has a mass of 85 g and a length of 5.2 m. Evaluate what must be the tension in Wire 1 if its third harmonic is to equal the first overtone of Wire 2
Determine the voltage at the motor terminals - mesh analysis with one loop including the source
The Bragg angle for a certain reflection from a powder specimen of copper is 47.75º at a temperature of 293 K and 46.60º at 1273 K. Find the coefficient of linear expansion of copper
The escape speed of a particular planet with a radius of 7.900e+6 m is 14,500 m/s. What is the mass of the planet
A constant force is applied to an object, causing the object to accelerate at 10 m/s2. What will the acceleration be if the force is halved
Hold a pocket mirror at almost arm's length from your face and note the amount of your face you can see. To see more of your face, must you hold the mirror closer or farther, or would you have to have a larger mirror?
Each of the six real batteries in the figure has an emf of 21.5 Vand a resistance of 4.10 Ω. The external resistor hasresistance R = 3.59 Ω. At what rate does each battery transfer energy to its internal thermal energy?
a hoop and a disk both of 0.38- m radius and 3.0- kg mass are released from the top of an inclined plane 3.3 m high and
A horizontal mass-spring system undergoes simple harmonicoscillation ( no friction). the mass on teh spring is 12 kg and hasmax speed of 2.75m/s. determine the period of the oscillation of the system
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