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A 1000 kilogram aircraft going 25 meter per second collides with a 1500 kilogram aircraft that is parked. They stick together after the collision and are going 10 meter per second after the collision. If they skid for 14.7 s before stopping, determine how far did they skid? Hint: Are the aircraft moving at a constant velocity after the collision or do they experience acceleration?
Three forces of magnitudes F1 = 4.0 N, F2 = 6.0 N, F3 = 8.0 N, F4 = 5.0 N, and F5 = 5.0 N are applied to a block of mass m = 3.0 kg, initially at rest, at angles shown on the diagram. (Figure 1) All angles should be measured from the positive x ax..
If the water in the river is flowing at 3.0 m/s, explain how long does it take the boat to make a round trip consisting of a 250 m displacement downstream followed by a 250 m displacement upstream?
A 12.4 g bullet is fired horizontally into a 96 g wooden block initially at rest on a horizontal surface. After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.650, what was ..
Space vehicles traveling through Earth's radiation belts can intercept a significant number of electrons. The resulting charge buildup can damage electronic components and disrupt operations. Suppose a spherical metallic satellite 1.6 m in diamete..
if a compressive force of 1850.549 lbf is applied on a cross-section of a 20ft aluminum rod with a radius of 6.826mm
An airplane is descending at an angle of 20 deg with respect to the horizontal when it drops a bomb, determine the range (horizontal distance traveled) of the bomb and the velocity at which it hits the ground.
a microwave oven generates a sound level of 49.6 db when consuming 1 kw of power.estimate the fraction of this power
A charge of -330e is uniformly spread through thevolume of a sphere of radius 1.95 cm. What is the volume charge density in that sphere
A refracting telescope with a lens whose diameter is 33.0 cm is used to view a binary star system that emits light in the visible region. what is the distance between the two stars
q1. a coiled telephone cord forms a spiral with 56 turns a diameter of 1.30 cm and an unstretched length of 60.0 cm.
A subway train rounds an unbanked curve at 70 km/h. Find what is the radius of the turn
A 3.8 kg ball is at rest on the floor in a 1.2 m ? 1.2 m ? 1.2 m room of air at STP. Air is 80% nitrogen (N2) and 20% oxygen (O2) by volume. What is the thermal energy of the air in the room
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