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Use the small angle approximation to determine the angular size of a car that is 1.5 m tall and is 0.25 mile away from you? (Note that 1 mile = 1609 m.)
A pendulum of length L with a bob of mass m swings back and forth. At the low point of its motion (point Q), the tension in the string is (3/2)mg. What is the speed of the bob at this point?
Derive a formula for the maximum elevation of the jumper's center of gravity in terms of the crouch depth, c, the equivalent force to weight ratio, Fequiv/W, the platform speed, Vp and other relevant parameters.
A 45.0 kg girl is standing on a 162 kg plank. The plank, originally at rest, isfree to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.44 m/s relative to the plank.
A particle of mass M moves in one dimension along the positive x axis, under the influence of two forces. The first force is a constant force, with magnitude B and direction toward the origin. The second force is an inverse square law, with magnitude..
a rocket of mass 3.52 times 105 kg is in flight near earths surface. its thrust is directed at an angle of 65.8deg
Model the tungsten filament of a lightbulb as a black body at temperature 2 900 K. (a) Determine the wavelength of light it emits most strongly. (b) Explain why the answer to part (a) suggests that more energy from the lightbulb goes into infrared..
A 5 kg mass is connected to a spring (1000 N/m) platform which undergoes simple harmonic motion in the vertical direction with two complete oscillations each second. What is the angular frequency of the box
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 19.0 m/s. How long after being released does the stone strike the beach below the cliff
A resistor of 331 ohms is connected in series with a capacitor of 54.0 µF capacitance. what is the phase shift between the current and the voltage
Three dogs are pulling on a blanket in different directions. The English shepherd is pulling north with a force of 40 N. in what direction is the boxer pulling
The diagram in Fig. shows two charged parallel plates separated by 5mm. A device, which might be a battery or a power supply, has been attached to the two plate
Mechanics: Center of Mass. A 60 kg woman and a 90 kg man stand 10.0 m apart on frictionless ice.
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