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Assuming the moon orbits the earth in a circular pattern, which completes a 2 pi rotation (circumference) in 29.5 days and the distance from the center of the earth to the center of the moon is 384,000 km, how far does the moon travel in its orbit in one day (an arc)?
The height of a helicopter above the ground is given by h= 3.10t3, Compute how long after its release does the mailbag reach the ground
a solid lead cylinder and a solid platinum cylinder have the same mass. what is the ratio of the length of the platinum
Beams of high-speed protons can be produced in "guns" using electric fields to accelerate the protons. (a)What acceleration would a proton experience if the gun's electricfield were 2.18 x 104 N/C?
The drawing shows one horizontal wire with the current going up and one vertical wire with the current going to the right. Point A is dH to the right and dV above the intersection. Point B is dH to the left and dV below the intersection.
An LC circuit consists of a capacitor, C = 4.08 µF, and an inductor, L = 4.92 mH. The capacitor is fully charged using a battery and then connected to the inductor. How many complete damped oscillations will have occurred
In serving, a tennis player accelerates at 56 kg tennis ball horizontally from rest to a speed of 30 m/s. Assuming that the acceleration is uniform when the racquet force is applied over a distance of .5 m, what is the magnitude of force exerted on ..
A ball is dropped from a height of 1.50 m and rebounds to a height of 1.20 m. Approximately how many rebounds will the ball make
A positively charged particle of mass 6.80 10-8 kg is traveling due east with a speed of 25 m/s and enters a 0.32-T uniform magnetic field. What is the magnitude of the magnetic force acting on the particle
A wheel (radius 0.6 m) is rolling on a horizontal surface with a center of mass acceleration of 0.7 m/s2. find the friction force acting between the wheel and the surface
A clock has an aluminum pendulum with a period of 1.000 s at 22.1 °C. Suppose the clock is moved to a location where the average temperature is 32.7 °C. (The linear expansion coefficient for aluminum is 2.20 10-5 °C−1.)
A spelunker (cave explorer) drops a stone from rest into a hole. The speed of sound is 343 m/s in air, How deep is the hole
A circular-motion addict ofmass 85 kg rides aFerris wheel around in a vertical circle of radius 10 m at aconstant speed of 5.9 m/s. What is the period of the motion?
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