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Q1. A woman rides a carnival Ferris wheel at radius 16.0 m, completing 4.40 turns about its horizontal axis every minute. What are (a) period of the motion, and the magnitude of her centripetal acceleration at (b) highest point and (c) lowest point?
Q2. A sailboat is travelling east at 4.0 m/s. A sudden gust of wind gives the boat an acceleration a = (1.35 m/s2 30° north of east). What is the boat's speed 6.0 seconds later while the gust subsides?
A 120 g trick baseball is thrown at 51 km/h. It explodes in flight into two pieces, with a 50 g piece regular straight ahead at 86 km/h. How much energy do the pieces gain in the explosion.
A 0.525 kg ball starts from rest and rolls down the hill with uniform acceleration, travelling 150 m throughout the second 10.0 rm s of its motion.
Determine the greatest vertical displacement of the pendulum (height). The mass lost by the rocket during these 30.0 is negligible. What impulse does an engine impart to the rocket?
The latent heat of fusion
A 1500 car travelling at 26 suddenly runs out of gas while approaching the valley that looks like an inverted hump. 12m at the left where the care runs out of gas and 19 m at the right were it is headed. What will be the car's speed as it coasts into..
Calculate the direction, magnitude and line of action of the vertical and horizontal components of hydrostatic force acting on a surface.
How far would trampoline stretch if the performer stands still on it while taking a bow.
How long does it take an automobile travelling 56.50 km/h to become even with a car that is travelling in another lane at 36.50 km/h if the cars' front bumpers are initially 148m apart.
He would like a prescription for contact lenses to serve the same purpose. What is the exact contact lens prescription, in diopters.
Calculate the speed of block at the instant the dielectric leaves the capacitor assuming it starts at rest and that the voltage across capacitor after the dielectric is removed is measured to be 200 V.
A 25- sample of an ideal gas with is at 250 and 50. The gas is compressed isothermally to one-third of its original volume, then heated at constant volume until its state lies on the adiabatic curve that passes through its original state, and then al..
Two children setup a "telephone" by placing a long, slender aluminium (Y = 6.9 × 1010 N/m2) bar that has a length of 6.1-m between their two houses. To communicate, the child taps a coded message on one end. How long do the sound waves take to reach ..
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