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A projectile is fired horizontally from a gun that is 45.0 mabove flat ground. The muzzle velocity is 250 m/s.
a.) How long does the projectile remain in the air?
b.) At what horizontal distance from the firing point does itstrike the ground?
c.) What is the magnitude of the vertical component of itsvelocity as it strikes the ground?
Three point charges are on the x axis: q1 is at the origin, q2 is at x = 4.91 m, and q3 is at x = 6.21 m. Find the electrostatic potential energy of this system of charges if q1 = q2 = q3 = 1.55 C.
At an outdoor market, a bunch of bananas is set into oscillatory motion with an amplitude of 20.0 cm on a spring with a force constant of 16.0 N/m. What is the weight of the bananas in newtons
How much work is completed in charging the capacitor
A sound wave traveling at 341m/s is emitted by foghorn of a tugboat. An echo is heard 3.30s later.
Find out the angle that the total acceleration of the car. the car at the moment the car completes the circle.
A person pulls a toboggan for a distance of 43.6 m along the snow with a rope directed 28.3 ° above the snow. The tension in the rope is 91.3 N. How much work is done on the toboggan by the tension force
The potential at location A is 481 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 878 V, and when released from rest from this spot, the particle arrives at B wit..
An air-track glider attached to a spring oscillates between the 12.0cm mark and the 63.0cm mark on the track. What is the maximum speed of the glider
Suppose that charges on a dipole antenna oscillate slowly at a rate of 1 cycle/s, and the antenna radiates electromagnetic waves in a region of space. What is the period of the charge oscillation
A merry-go-round starts from rest and accelerates uniformly over 27.0 s to a final angular velocity of 7.75 rev/min, Find the person's maximum radial acceleration
The image of a very distant car is located 25 cm behind a convex mirror. What is the radius of curvature of the mirror
You ski straight down a 44.4° slope, starting from rest and traveling a distance of 12.3 m along the slope. Find your final velocity
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