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A batter hits a pitched ball when the center of the ball is 1.33 m above the ground.The ball leaves the bat at an angle of 45° with the ground. With that launch, the ball should have a horizontal range (returning to the launch level) of 111 m. (a) Does the ball clear a 8.91-m-high fence that is 101 m horizontally from the launch point? (b) At the fence, what is the distance between the fence top and the ball center?
A monochromatic light i incident on a single slit of width of 0.1 mm, and a diffraction pattern is formed at a screen which is 0.7 m away from the slit. The second order bright fringe is at a distance 2 mm from the center of the central maximum.
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 3.7 kg · m2. find the resulting angular speed of the student and the stool
A 2.0 kg tether ball is attached to a vertical pole by a 1.5 m long rope. The ball is swung around the pole at an angle of 60 degrees from vertical. how does the tension and angle of the rope change
Can Somone please help me out????A 63.0 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. What maximum energy is stored in the inductor
Assume that sunlight at the surface of Earth has an average intensity of 1.15E+3 W/m2. Calculate the rms value of the magnetic field in the sunlight
q1. what is the smallest thickness of a soap film n1.47 that will appear black if illuminated with 490 nm light?
At its highest temperature, a space heater has a resistance of 19.5 ohm, find the average power output of the space heater
a beam of partially polarized light can be considered to be a mixture of polarized and unpolarized light. suppose we
two small charges with a mass of 1 gram each are connected by 2 cm long insulating rod of negligible mass. Obtain the moment of inertia around the center of mass
A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a radius of .20 m.
The figure below shows a thin-lens representation of a compound microscope (not to scale). The objective produces a real image I of object O just inside the focal point F1 of the eyepiece. Image I then acts as an object for the eyepiece, which pro..
A solenoid of radius 1.6 cm has 351 turns and a length of 10 cm.The permeability of a free space is 1.25664 × 10^?6 V · s/A · m. Find the rate at which current must change through it to produce an emf of 56 mV
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