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Write the expression for the period of a mass attached to a spring using Newton's second law of motion and equation describing position of a mass attached to a spring as a function of time (X(t)=Acoswt).
the sun emits light waves with a power of 4x1026 watts. determine the intensity of light waves from the sun just
A pump, used to move water through a tube, uses a piston 15 cm in diameter which moves 2.0 cm/s. what is the fluid velocity when the tube is 3.0 mm in diamter
a spaceshipmo 10000 kg amp lo 42m is observed to be 42.2m long while traveling towards earth. determine the speed of
A locomotive accelerates a 25-car train along a level track. Every car has a mass of 7.6 ? 104 kg, What is the tension in the coupling between the first car and the locomotive
two 57.5 kw radio stations broadcast at different frequencies. station a broadcasts at a frequency of 892 khz and
Proton projected toward fixed nucleous of charge +Ze with velocityv0. Initially the particles are very farapart. When proton is at a distance R from the nucleous itsvelocity is 1/2v0.
An LC circuit includes a 0.010 µF capacitor and a 400 µH inductor. If the peak voltage on the capacitor is 190 Volt, find what is the peak current in the inductor
q1. what must the charge sign and magnitude of a particle of mass 1.47 g be for it to remain stationary when placed in
At night, the pupil of a human eye can be considered to be a slit by a diameter of 8.0 mm. The diameter would be smaller in daylight. An automobile’s headlights are separated by 1.8 m. How far away can the human eye distinguish the two headlights at ..
A thin, light wire is wrapped around the rim of a wheel, The wheel rotates without friction about a stationary horizontal axis that passes through the center of the wheel. what is the mass of the wheel
A 43 power refracting telescope (wherepower is the angular magnification) has an eyepiece with a focallength of 4.2 cm. How long is the telescope
You are pushing a 150-kg wooden crate in a straight line a distance of 4.5 m across a wooden floor at constant speed. What is the work done by friction on the crate
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