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By what height must a long jumper raise his centre of mass when making a jump of 9m, if his horizontal velocity on take-off is 8ms-1?
A migrating bird is initially flying south at 10 m/s. To avoid hitting a high-rise building, What is the bird's average acceleration during this 2 s interval
One of the processes observed among elementary particles is the decay of the pi meson, a particle with the rest energy of 139.57 MeV. It decays into a muon and a neutrino. Find the momentum of the muon after the decay
q1. a 3000-kg blue truck travelling east collides and sticks to a 4000-kg orange truck travelling with a speed of 7.3
At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.1 m/s2. How fast will the automobile be traveling at that instant
Transverse waves with a speed of 59.0 m/s are to be produced on a stretched string. A 4.95-m length of string with a total mass of 0.0600 kg is used. Calculate the wave speed in the string
A 1360 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960 N crate hangs from the far end of the beam.
1 you chose a an arbitary point to begin measuring the postion of the falling object. how fast was it going at the
A thin stick of mass M = 4.3 kg and length L= 1.7 m is hinged at the top. A piece of clay, mass m =0.7 kg and velocity V = 4.0 m/s hits the stick a distance x = 1.00 m from the sticks and hinge to it. What is the angular velocity of the stick immedia..
Suppose a car battery provides 14 Volts when not in use. When the starter cranks, it draws 100 Amps, Find the Thevenins equivalent circuit for this battery
A 237 kg cart runs into the rear end of a 120 kg cart that is stationary. What is the speed of the moving cart before the collision
a simple pendulum with a length of 1.93 m and a mass of 6.54 kg is given an initial speed of 2.46 ms at its equilibrium
Water is transported upward in a plant through xylem tissue, which consists of cells of 1 mm length and a diameter of 65 µm. The xylem cells are attached to each other to form a channel. To what maximum height can water rise in these xylem channel..
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