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Amy is traveling at 60 miles per hour on the highway, due north. The on-ramp nearby starts out going west, and then curves around thus that eventually it is also north, parallel to the highway. Bob appears, traveling 40 miles per hour going west.
Find his speed relative to Amy? In the next moment, he is heading due northwest, now going 50 miles per hour.
Find what is his speed relative to Amy at this point? Later on, he is finally on the northward portion of the ramp, and has accelerated up to 55mph.
Determine what now is his speed Relative to Amy?
a spaceship is on a straight-line between earth and its moon. at what distance from earth is the net gravitational
What is the velocity of the boat when it reaches the buoy.
Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sound is 330 m/s. The person is 1.65 m from one speaker and 4.95 m from the other. What sort of interference does the person sense.
An electric field of 490000 N/C points due west at the certain spot. What is the magnitude of the force that acts on a charge of -8.3 C at this spot.
An iron bar of mass, 0.99 kg, slides down a frictionless incline 0.94 m high. What is the speed of the combined masses after collision
An object moving with uniform acceleration has a velocity of 16 cm/s in the positive x direction when its x coordinate is 3 cm. If its x coordinate 1 s later is -5 cm, what is its acceleration.
Water is pumped steadily out of a flooded basement at a speedof 5.5 m/s through a uniform hose of radius 1.1 cm. What is the power of the pump
A tube of glowing gas emits light at 550 nm and 400 nm. In a double-slit apparatus, what is the lowest order 550 nm bright fringe that will fall on a 400 nm dark fringe? What is the corresponding order of the 400nm dark fringe?
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Box A weighs 80 N and rests on a table. A rope that connects boxes A and B drapes over a pulley so that box B hangs above the table
An egg which is initially at rest is dropped on a hard surface and breaks.
A car is travelling at a constant speed of 31.1 m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has a constant acceleration. What acceleration mu..
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