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Q1. As part of an interview for the summer job with the Coast Guard, you are asked to help determine the search area for two sunken ships by calculating their velocity just after they collided. According to the last radio transmission from the 40,000 ton luxury liner, the Hedonist, it was going due west at a speed of 20 knots in calm seas during a rare fog just before it was struck broadside by the 60,000 ton freighter, the Ironhorse, which was travelling north at ten knots. The transmission also noted that when the freighter's bow pierced the hull of the liner, the two ships stuck together and sank together.
Q2. A 48.21 {rm kg} ice skater spins about the vertical axis through her body with her arms horizontally outstretched, making 2.20 turns each second. The distance from one hand to the other is 1.5 {rm m}. Biometric measurements indicate that each hand naturally makes up about 1.25 % of body weight.
A child is riding across a rough field on a sled. Together, she and the sled have a mass of 73 kg. The sled is being pulled by her brother at an angle of 16º with a force of 356 Newtons. What is her acceleration if the coefficient of kinetic friction..
A crate with mass 35.5 initially at rest on a warehouse floor is acted on by a net horizontal force of 120. What acceleration is produced.
Chuck Norris's razor blade has an output force of 2500 lbs is used to shear his burley face. The shaving blade has the 0.35 inch thick blade with a 55 degree slope.
A box of mass 32 kg is at rest on a horizontal frictionless surface. A constant horizontal force then acts on the box, and accelerates it to the right. It is observed that it takes the box 6.5 seconds to travel 48 meters. What is the magnitude of for..
Status Newton's First Law of motion.
Find out how fast a GPS satellite is moving relative to someone on the ground and from that how much slower time runs where it is in orbit relative to someone on the ground.
Calculate the dc voltage applied to the circuit.
Compute the amplitude and phase at the observation screen
When these two wires are connected in equivalent to the same battery, describe the reasoning of the steps that allow you to find out which of these wires will consume the greater amount of power by warming up and dissipating this energy as heat.
A child on a boat throws a 5.40 kg package out horizontally with a speed of 12.0 m/s. determine the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 26.5 kg and the mass of boat is 55.5 kg.
Will the car hit the barricade
An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 37 mm and 92 mm. The electric potential of the inner conductor regarding the outer conductor is -574 V.
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