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Consider a circuit. The three resistors are identical with R1 = R2 = R3= 160 ?, and the battery voltage is 50 V. What is the current through resistor R2?
Two cars were firstly at rest and side-by-side between two photogates. The mass of cart 1 was 0.505kg. The spring was activated and two carts moved away from one another, passing through the photogates and producing the readings as shown below. Find ..
What is the average kinetic energy of an ideal gas.
Monochromatic light from a distant source is incident on a slit 0.750 {rm mm} wide. On a screen 2.00 {rm m} away, the distance from the central maximum of the diffraction pattern to the first least amount is measured to be 1.35 {rm mm}.
A spelunker is surveying a cave. She follows a passage that takes her a distance 189 straight west, then a distance 220 in a direction 45 east of south, after that a distance 280 at 30 east of north. After a fourth unmeasured displacement she find..
A flask containing 800 g. of water is heated. If the temperature of the water increases from 27 degrees Celsius to 88 degrees Celsius, how much heat (in joules) did the water absorb.
Cowboy Joe wishes to shoot his assailant by ricocheting a bullet off the mirrored metal plate. To do so, should he simply aim at the mirrored image of his assailant.
Light with a wavelength of 4.5 x10-5 cm passes through a single slit and falls on a screen 100 cm away. If the slit is 0.015 cm wide, what is the distance from the center of pattern to first dark band.
A certain freely falling object requires 1.10s to travel the last 32 m before it hits the ground. From what height above the ground did it fall.
A small steel ball with a mass of 80 g is releasesd from a resting height of 1.25 m above a ridgid metal plate. What is the velocity of ball before impact.
The bunchberry flower has the fastest-moving parts ever seen in a plant.at first , the stamen are held by the petals in a bent position, storing elastic energy like a coiled spring.
A 65.0 kg human sprinter can accelerate from rest to 10 m/s in 2.90 s. all through the same interval, a 33 kg greyhound can accelerate from rest to 20 m/s. calculate (a) change in kinetic energy and (b) average power output for each.
The leg and cast weigh 200 N, with the center of mass as indicated by the blue arrow. The counterbalance w1 weighs 110 N. find out the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
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