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a ball rolls down a hill(1.8 m high) and off acurved ramp at the bottom and gets airborne, leaving at an angle of35 degrees w/respect to the ground, as a thin walled sphericalshell, what is distance traveled (range) of the ball?
the lowest energy photons visible to the human eye have energy 164 kjmol.a. what is the wavelength of such a photon in
A weightlifter works out at the gym each day. Part of her routine is to lie on her back and lift a 41kg barbell straight up from chest height to full arm extension, a distance of 0.45m.
A hardworking ant must supply 0.00955 N to pull a small piece of fruit at constant velocity over a distance of 8.60 cm up a small hill to the entrance of the colony. If the coefficient of kinetic friction between the piece of fruit and the 16.2° s..
a 2.4 mw laser beam has its electric field vertical. if it passes through a polarizer with its transmission axis at 30
Water comes down the spillway of a dam from an initial vertical height of 170 m. What is the highest possible speed of the water at the end of the spillway
a. show explicitly that the classical xor gate cannot be inverted.b. calculate the matrix corresponding to the inverse
A guitar string is vibrating in its fundamental mode, with nodes at each end. The length of the segment of the string that is free to vibrate is 0.384m. What is the amplitude of this standing wave
An airplane flying at a distance of 10 km from a radio transmitter receives a signal of intensity 8.4 ?W/m2. what is the transmission power
A 72 person stands on a uniform ladder 4.5 long, that weighs 75. The floor is rough; hence, it exerts both a normal force, and a frictional force, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force.
Assume that all surfaces in the figure are frictionless. What value should have so the masses won't accelerate? Express your answer to two significant figures and include the appropriate units.
question1a commercial aircraft receives a homing radio signal with an intensity of 12 muwm2 when it is 11 km from the
A commuter train blows its 200-Hz horn as it approaches a crossing. The speed of sound is 335 m/s. An observer waiting at the crossing receives a frequency of 208 Hz. What is the speed of the train
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