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Q1. A major-league pitcher can throw a baseball in excess of 41.3 m/s. If a ball is thrown horizontally at this speed, how much would it drop by the time it reaches a catcher who is 17.5 m away from the point of release?
Q2. The lander is 8.2 meters above the surface and has the downward speed of 0.89 m/s while the engine is cut off. What is the speed of the lander just before it touches the surface?
Q3. Assume an automobile has 3700 J of kinetic energy. When it moves at twice the speed, what would be its kinetic energy? What's its kinetic energy at three times the speed?
Sketch a principle ray diagram showing the formation of the image. compute the position, size, orientation (erect or inverted), and nature (real or virtual) of the image.
What are magnitude and direction of net electrostatic force
Two ocean liners, each with a mass of 38,000 metric tons, are moving on parallel courses, 92 m apart. What is the magnitude of the acceleration of one of the liners toward the other due to their mutual gravitational attraction? Treat the ships as par..
He would like a prescription for contact lenses to serve the similar purpose. What is the correct contact lens prescription, in diopters.
A ranger in a national park is driving at 59 km/h while a deer jumps onto the road 61 m ahead of the vehicle. After a reaction time of t s, ranger applies the brakes to produce an acceleration of -3 m/s2. What is the maximum reaction time allowed if ..
What is the magnitude
A baseball is hit with a speed of 33.0 ms-1 at an angle of 56.0 degrees. It land's on the flat roof of a nearby building with a height of 13 m. If the ball was hit when it was 1.7 m above the ground, what horizontal distance does it travel before it ..
Decide the speed with the rock is thrown
What is magnitude of the runners total displacement
A 18.0 kg loudspeaker is suspended 2.40m below the ceiling by two 4.10m long cables that angle outward at equal angles. What is the tension of each of the cables.
What should be the least kinetic energy in electron volts
A spring with spring constant 14 hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 3.0 and released. The ball makes 17 oscillations in 16 seconds. What is it the mass of ball.
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