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A bat strikes a 0.145-kg baseball. Just before impact, the ball is traveling horizontally to the right at 40.0m/s ,and it leaves the bat traveling to the left at an angle of 30? above horizontal with a speed of 60.0m/s . The ball and bat are in contact for 1.85ms .
Find the horizontal component of the average force on the ball. Take the x-direction to be positive to the right
Find the vertical component of the average force on the ball.
You have a 1.99-m-long stretched string with a mass of 19.5 g. When you oscillate the string at 440 Hz, Calculate the tension in the string
An earth satellite is observed to have a height of pergee of 210 Kilometers and a height of apogee of 1,200 kilometers. Find the period of the orbit
Light of wavelength 595.00 nm is incident normally on a diffraction grating, How many slits/mm are marked on the grating
A 2.2hp electric motor on a water well pumps water from 14m below the surface. How many liters of water does the motor pump in 2.0hr
A charge of density p is distributed uniformly along an arc representing a half of a cirle of radius r. Determine the electric field intensity vector at an arbitrary point
A 10.0-cm long wire has a diameter of 0.1 mm and a resistivity of 4.0 ´ 10-7 ohm-cm, A 6.0-volt battery is connected to the resistance, What current exists in the circuit
A hole of radius r has been drilled in a flat, circular plate of radius R. Find the moment of inertia for rotation about an axis through the centre of the plate
You want to take a full-length photo of your friend who is 2.00m tall, using a 35.0mm camera having a 50.0mm lens. How far should your friend stand from the lens
The electrons in the beam of a television tube have a kinetic energy of 3.26 × 10-15 J. What is the acceleration of an electron due to this field component
Armed with highly sensitive detection equipment, you are in the front of a railroad car that is accelerating forward. Do you find the light to be red-shifted (lowered in frequency), blue-shifted (increase in frequency), or neither
A wheel starts to rotate with constant acceleration and in 1minute performs 1000 rotations. Find acceleration and final speed of the wheel
Two loudspeakers are placed above and below each other and driven by the same source at a frequency of 4.50x10^2 Hz. An observer is in front of the speakers (to the right) at point O.
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