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A mortar crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. Angling the mortar at an angle of theta= 67 degrees, the crew fires the shell at a muzzle velocity of 131 ft per second. How far down the hill does the shell strike if the hill subtends an angle 32 degrees from horizontal? (Ignore air friction.) How long will the mortar shell remain in the air? How fast will the shell be traveling when it hits the ground?
Describe the displacement of the airplane when the radar was tracking it-RBA=RB-RA. What are the components of RBA.
Calculate the angular velocity of a clock's second hand. State in rad/s. and Calculate the angular velocity of a clock's minute hand
If a second point charge of ?3.0 nC is placed at the location where you calculated the electric field in part (a), what will be the magnitude of the force on this second charge due to the field of the first
Three moles of an ideal monatomic gas are at a temperature of 377 K. compute the final temperature of the gas?
To make an order-of-magnitude estimate of the energy level spacings in the nucleus, Calculate the energy of the ground state
Sketch a free body diagram for the hot air balloon. When the burner is turned on what force is required to cause an upward acceleration of 5m/s squared?
A particle of charge 12uC and mass 3.8x10^-5kg is released from rest inside a parallel plate capacitor from the positive plate. How long does it take the particle to reach the negative plate
A stream of water strikes a stationary turbine blade horizontally. The incident stream has a velocity of +16m/s whilst the exit has a velocity of -16m/s. mass of water per second that strikes the blade is 30kg/s.find the magnitude of average force ex..
Two ropes are attached to a heavy box to pull it along the floor. One rope applies a force of 438 newtons (N) in a direction due west; the other applies a force of 402N in a direction due south.
A source delivers an AC voltage of the form ?v = 92.2 sin (60?t), Find the rms voltage of the source
After the engine is ignited, what is the rocket's speed when the spring has stretched 19.00 cm past its natural length? What would be the rockets speed after travelling the distance if it weren't tied down to spring.
A golf ball is hit off a tee at the edge of a cliff. Its x and y coordinates as functions of time are given by x = 19.9t and y = 4.08t ? 4.53t2, obtain the expression for the acceleration vector as a function of time
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