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A snow mobile has a position vector 42.1 m at 98.0 degrees counter clockwise from the x axis and velocity of 5.35 m/s at 38.0 degrees. it is moving with a constant acceleration of 1.33 m/s^2 at 210 degrees. After 7.00 s have elapsed determine its velocity vector and its position vector. Any help understanding how to solve this sort of problem would be appreciated.
apart, the first being 3 feet from a basket. If the basket and all of the stones are in a straight line, how far does a person travel who starts from the basket
A jet engine emits sound uniformly in all directions, radiating an acoustic power of 2.91 × 105 W. calculate the corresponding sound intensity level
A 7.6 cm diameter horizontal pipe gradually narrows to 4.8 cm . When water flows through this pipe at a certain rate, What is the largest size vehicle
A record turntable is rotating at 33 1/3 rev/min. A watermelonseed is on the turntable 6.5 cm fromthe axis of rotation. Calculate the acceleration of the seed, assumingthat it does not slip
You lay a mirror flat on the floor with one edge against a wall and aim a laser at the mirror. Find the angle of incidence of the laser ray on the mirror
A 20,000-kg railroad car travels down the track at 30 m/sec and hits a second stationary railroad car of 10,000 kg. Calculate the final velocity of the cars
Water flows with speed 1 m/s from a small hole made at the bottom of a tank filled with water. Find height of the tank
Communications satellites are placed in orbits so that they always remain above the same point of the earth's surface. A) What must be the period of such a satellite? T= hr B) What is its angular velocity in rad/s?
A young girl with mass 35.5kg is sliding on a horizontal, frictionless surface with an initial momentum that is due east and that has magnitude 86.0kg?m/s, How much work has been done on the girl by the force in the time interval from t= 0s to the ..
A man sits on the south bank of a 100m wide river that flows due east at 2m/s. The man can swim 3m/s, How long will it take him to cross
A box sits at the top of an unfolding ramp. As the ramp isgradually tilted down from horizontal, the box will eventuallystart to slide down the ramp, the ramp then stops further tiltingand is held at this angle.
Sheena can row a boat at 2.97 mi/h in still water. She needs to cross a river that is 1.24 mi wide with a current flowing at 1.67 mi/h. How long does it take her to cross the river
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