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A ball is launched at the speed Vo at the angle 60 degrees by a basketball player at the height of 2m from the ground. The ball lands in a hoop which is 3m high from the ground and 8m away. What is the speed Vo? What is the velocity of the ball before it goes into the hoop-give Vx nad Vy or V and theta.
An ideal gas has a pressure of 2.5 atm, a volume of 1.0L at at temperature of 30 degrees Celcius. How many molecules are there in the gas
An open train car, with a mass of 2030 kg, coasts along a horizontal track at the speed 2.45 m/s. What is the car\'s speed after the loading is completed
An 8.7 hour trip is made at an average speed of 73 km/hr. If the first third of the trip (chronologically) was driven at 96.5 km/hr, what was the average speed for the rest of journey.
a transverse wave travels on a string in the positive x-direction. the tension in the string is 200 n and the linear
Please help me solve this problem: The electric motor of a model train accelerates the train from rest to 0.600 m/s in 33.0 ms. Find the average power delivered to the train
The lens-to-retina distance of a patient is 0.0201m and the totally relaxed strength of her eye is 50.0D. (a) What lens strength will correct her distant vision? (b) If the eye has an 8% ability to accommodate, what will be the closest object she can..
A biophysics experiment uses a very sensitive magnetic field probe to determine the current associated with a nerve impulse traveling along an axon. what is the peak current carried by the axon
A log is floating on swiftly moving water. A stone is dropped from rest from a 72.0-m-high bridge and lands on the log as it passes under the bridge. what is the horizontal distance between the log and the bridge
The mass of a regulation tennis ball is 58.0 g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 31.0 ms. what impulse did he exert on the ball
The G string on a violin has a fundamental frequency of 196 Hz. It is 33.0 cm long and has a mass of 0.500 g. what is the effective length of her string
A ball is held on an incline at the height of 72 cm. it is then released so that the ball rolls down the incline. At the bottom of the incline there is a loop where the ball rolls around in. If the loop is 62 cm high at its highest point what is the ..
End A of the bar AB rests on a frictionless horizontal surface, and end B is hinged. A horizontal force vec F of magnitude 107 {rm N} is exerted on end A. You can ignore the weight of the bar. What is the vertical component of the force exerted by..
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