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A woman is riding a jet ski at a speed of 26 m/s and notices seawall straight ahead. The farthest she can lean the craft in order to make a turn is 22o. The situation is like that of a car on a curve that is banked at an angle of 22o. If she tries to make the turn without slowing down, find the minimum distance from the seawall that she can begin making her turn and still avoid a crash?
Starting from rest, a 4.10-kg block slides 2.6 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is ?k = 0.436, Determine the work done by normal force
light of wavelength 460 nm is incident on a single narrow slit. the diffraction pattern is observed on a screen 4.8 m
When yellow sodium light, ?=589nm, falls on a diffraction grating, its first-order peak on a screen 55.0cm away falls 3.29cm from the central peak. What is the wavelength of the new source
A 23 g ball is fired horizontally with initial speed toward a 110 g ball that is hanging motionless from a 1.1m long string. The balls undergo a head on, perfectly elastic collision, after which the 110 g ball swings out to a maximum angle theta m..
A parallel-plate capacitor is constructed with circular plates of radius 6.5×10?2 m . The plates are separated by 0.21 mm, find the value of the dielectric constant
When light of wavelength 380 nm falls on a cesium surface,electrons are emitted that have a maximum kinetic energy of 1.13eV. Find the work function of cesium.
how does the count rate vary with distance from a point source? if the counter is moved twice the distance from the source, how is the count rate affected
Two long, parallel wires carry currents of 0.245 A in the same direction. If the wires are 0.034 m apart, what is the force per unit length between the wires
A constant force of 25N acts on an object having a mass of 2kg for 3 seconds. What is the magnitude of the change in the object's momentum
A spark plug in an automobile engine consists of two metal conductors that are separated by a distance of 1.1 mm, What is the magnitude of the potential difference V between the conductors
Start from the expression of the electric filed outside an infinite sheet of uniform surface charge density
the giant swing at the county fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end. find the time of one revolution of the swing
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