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Two beetles run across flat sand, starting at the same point. Beetle 1 runs 0.46 m due east, then 0.75 m at 31o north of due east. Beetle 2 also makes two runs; the first is 1.74 m at 34o east of due north. What must be the magnitude of its second run if it is to end up at the new location of beetle 1?
A large wheel-shaped space station, 120 m in diameter, Find the rotational frequency of the wheel
A uniform 25 kg door that is 2.4 m high by 1.10 m wide is hung from two hinges that are 20 cm from the top and 20 cm from the bottom. If each hinge supports half the weight of the door, find the magnitude and direction of the horizontal components of..
determine the maximum height attained by the 2.1-kg mass
At normal incidence, the intensity of sunlight at the Earth is 1400 W/m2. find the force on the Earth due to radiation pressure from the Sun
There are four charges, each with a magnitude of 1.6 µC. Two are positive and two arenegative. Find the magnitude of the net electrostatic force experienced by any charge
A wheel with rotational inertia 1.27 kg m2 is rotationwith an angular speed of 824 rev/min on a shaft whose rotationalinertia is negligible. What fraction of the original kinetic energy is lost
A constant magnetic field of magnitude 0.45 T is directed along the +y axis. The length of each rod is L = 1.3 m, and the speeds are the same, vA = vB = vC = 2.7 m/s. For each rod, find out the magnitude of the motional emf, and indicate which end..
A large capacitance of 1.27 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
a speedboat 220 kg making a circular turn r32 m around a bouy. during turn the engine causes a net tangential force of
The drawing shows the front and rear sprockets of a bicycle. Assume the chain does not slip or stretch. How much time is required to double the speed of the rear sprocket
A laser emits a narrow beam of light. The radius of the beam is 8.5 mm, and the power is 1.7 mW. What is the intensity of the laser beam
q1. an ambulance travelling at 39 ms approaches a car heading in the same direction at a speed of 19 ms. the ambulance
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