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1) A snowmobile is originally at the point with position vector 28.3 m at 95.0° counterclockwise from the x axis, moving with velocity 4.49 m/s at 40.0°. It moves with constant acceleration 1.94 m/s2 at 200°. After 5.00 s have elapsed, find the following.
2) A boy stands on a diving board and tosses a stone into a swimming pool. The stone is thrown from a height of 2.50 m above the water surface with a velocity of 4.00 m/s at an angle of 60.0° above the horizontal. As the stone strikes the water surface, it immediately slows down to exactly half the speed it had when it struck the water and maintains that speed while in the water. After the stone enters the water, it moves in a straight line in the direction of the velocity it had when it struck the water. If the pool is 5.73 m deep, how much time elapses between when the stone is thrown and when it strikes the bottom of the pool?
A 0.75?F capacitor is charged to 90V . It is then connected in series with a 35? resistor and a 150? resistor, How much energy is dissipated by the 35? resistor
A concave mirror (f1 = 13.2 cm) and a convex mirror (f2 = -7.00 cm) are facing each other and are separated by a distance of 35.4 cm. An object is placed between the mirrors and is 17.7 cm from each mirror. Consider the light from the object th..
A machine that makes transformers can only wind the coils with a single specific number density. what is length of the output coil
A 1.5 kg ball is thrown straight up with aninitial speed of 12m/s. What will be the potential energy of the ball when it reaches its max. height
Two rods AB and BC have charges +2Q and -2Q uniformly distributed on them. They are bent in the shape of arcs of a circle and joined at B. Find the linear charge density on rod AB. Find the electric field at the midpoint between A and C.
A 34-cm-diametere potter's wheel with a mass of 20 kg is spinning at 180rpm. Using her hands, a potter forms a pot, centred on the wheel, with a 14 cm diameter. her hands apply a net friction force of 1.3 N to the edge of the pot.
What is a solar nebula, and what is its relationship to the condensation theory? What was the major influence in the formation of the solar system? What is astrometry? Name two indirect methods by which other planetary systems can be detected?
1. a mass on a spring oscillates with a period of 2s. its maximum displacement is 0.25m. the mass is at x0 at t0.
A mass spectrometer has an adjustable magnetic field. When themagnetic field is 1.000e-1 T, a singly ionizedhydrogen atom (a proton) will strike the detector at a particular location.
A person pushes the shopping cart with a force of 100 N acting down at 45 degrees. Of the cart travelled at a constant speed of 1.00 meters per second what is the value of combined retarding force acting horizontally on the cart due to friction an..
A Chevrolet Corvette convertible can brake to a stop from a speed of 60.0 mi/h in a distance of 123 ft on a level roadway. What is its stopping distance on a roadway sloping downward at an angle of 40.0°
john is listening to a horn. he knows the frequency of the horn is 516.402 hz when both he and the horn are at rest. if
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