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Q1. A 0.270 kg block on a vertical spring with a spring constant of 5.00 x 10^3 N/m is pushed downward, compressing the spring 0.120 m. When released, the block leaves the spring and travels upward vertically. How high does it rise above the point of release?
Q2. An airplane is flying with a velocity of 93.0 m/s at an angle of 22.0^circ above the horizontal. When the plane is a distance 119 m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
A force that varies linearly with time according to a relation F = 4t N is applied to an object travelling with a speed of 16-m/s. If the force decelerates the object to a complete stop in 5s, determine the object's mass. Imagine the force is at f..
An electron moves in the positive x-direction a distance of 2.38 m in 2.95 x10-8 s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.63m in 3.53x 10-8 s.
A cylinder contains 2 moles of an ideal monatomic gas that is initially at state A with a volume of 0.01 m^3 and a pressure of 4.0x10^5 Pa. Is this device a refrigerator or a heat engine
q1. consider a person of mass 72 kg. what would his mass be if he was composed entirely of neutron-star material of
A 13cm -diameter cylinder contains argon gas at 10 atm pressure and a temperature of 60?C. What is the final length of the cylinder
A Toyota Prius driving north at 61 and a VW Passat driving south at 42 are on the same road heading toward each other.
A clarinetist, setting out for a performance, grabs his 3.37-kg clarinet case (including the clarinet) from the top of the piano, Find the case's vertical acceleration
A 1.50e-14 kg oil drop accelerates downwards at a rate of 1.80 m/s^2 when placed between two horizontal plates that are 9.40 cm apart. Determine the magnitude of the charge on the oil drop
An infinitely long line of charge has linear charge density 4.00 10-12 C/m. A proton (mass 1.67 10-27 kg, charge +1.60 10-19 C) is 17.0 cm from the line and moving straight toward the line at 3000m/s.
A parachutist of mass 50kg jumps out of an airplane at a hight of 1000m. The parachute deploys, and he hits the ground with a velocity of 5m/s. Find the average resistance on the parachutist
A 5.0 kg textbook is raised a distance of 30 cm as a student prepares to leave for school. How much work did the student do on the textbook
1ml of distilled water is injected into a length of 3mm diametre tubing and sealed at the other end by folding over, Why doesn't water drain out when the tube is hung vertically
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