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A myopic (nearsighted) child wears contact lenses that allow her to have clear distant vision. The power of the lenses of her eyeglasses is -3.00 diopters. Without the corrective lenses, what is the far point of the girl?
Through a rockslide, a 770 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic friction among the rock and the hill surface is 0.29. How much energy is transferred to thermal energy through the slide
A satellite has a mass of 5825 kg and is in a circular orbit 4.34 × 105 m above the surface of a planet. What would be the true weight of the satellite if it were at rest on the planet's surface
An object in the shape square with a circle cut in the center of it spins about it ceter of mass. what is moment of inertia in terms of M and R
A plane flies from base camp to Lake A, 340 km away in the direction 20.0° north of east. After dropping off supplies it flies to Lake B, which is 240 km at 30.0° west of north from Lake A. Graphically find the distance and direction from Lake B to..
Two fun-loving otters are sliding toward each other on a muddy (and hence frictionless) horizontal surface. One of them, of mass 8.00kg, How much mechanical energy dissipates during this play
Calculate the distance from the geostationary satellite to the center of the earth, as well as the distance to the surface of the earth.
You charge an object by rubbing it, and then shake it at 1 Hz. How much energy does each photon carry
A boy of mass 35 kg and a girl of mass 40 kg are skating towards each other with speeds of 2.5 m/s, and 2.0 m/s respectively. Assume that there is no friction, and find their combined velocity after they meet
Describe the characteristics of the pH scale. Compare and contrast acids and bases. Provide examples of some of the products that you know are basic and acidic in nature
A 350kg piano slides 3.8m down a 33^\circ incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see the figure(Figure 1) ). The effective coefficient of kinetic friction is 0.35.
Air Friction damps a tuning fork so that the amplitudedecreases by (1/8.1) per second. Resonance= 74 Hertz. What percent change in frequency results
The weight of the heavy object is W = 200N. Assume that the system is in equilibrium. What is the tension in each of the three vertical segments of the rope? What is the tension in the cable that suspends the left pulley to the ceiling?
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