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Name the type of plate boundary that is most likely to cause mountain building. State two similarities between the methods used by geologists to solve geologic problems and those used by police detectives to solve crimes.
Atarantula is sitting 4.5m in front of a concave spherical mirror with radius of R =1.4m. Construct a ray diagram to scale showing the object, image and the mirror. Decide graphically the characteristics of the image.
A stretched string of length L is plucked at a position L/5 by producing an initial displacement h and then releasing the string. Find the amplitudes for the fundamental and the first three harmonics.
A 1,450-kg submarine rises straight up toward the surface. Sea water exerts both an upward buoyant force of 16,140 N on the submarine and a downward resistive force of 1,030 N. What is the submarine's acceleration?
Freight trains can produce only relatively small acceleration and decelerations. How far will it travel in each case
A cylindrical copper cable carries a current of 1500 A. There is a potential difference of 1.6x 10-2 V between two points on the cable 0.20 m apart. What is the radius of the cable? (Resistivity of .72 x 10-8 Ωm) 1.01 cm
A circular radar operates at a frequency of 8 GHz and has a Diameter of 0.8 m. What is the angle at the half-power bandwidth
A pair of narrow, parallel slits in a sheet of black glass are separated by a distance of 0.250 m. The slits are illuminated by light having a wavelength of 546.1 nm. The interference pattern is observed on a screen 1.2 m from the plane of the glass ..
What is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph and an initial angle of 42.8o with respect to the horizontal
You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. Explain how much force must you exert to keep the pole motionless in a horizontal position?
A 8.85- g bullet from a 9-mm pistol has a velocity of 376.0 m/s. what was the velocity of the bullet as it emerged from the block
A firecracker in a coconut blows the coconut into three pieces. Two pieces of equal mass fly off south and west, What is the speed of the third piece
An athlete swims the length L of a pool in a time t1 and makes the return trip to the starting poisition in a time t2. What is her average speed for the round trip
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