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A 90.0-kg fullback running east with a speed of 5.00 m/s is tackled by a 95.0-kg opponent running north with a speed of 3.00 m/s.
(a) Why does the tackle constitute a perfectly inelastic collision?
(b) Calculate the velocity of the players immediately after the tackle and
(c) determine the mechanical energy that is lost as a result of the collision.
(d) Where did the lost energy go?
Three charges are enclosed by three different Gaussian surfaces, Find the values of the charges (to three significant digits)
A heart pacemaker fires 66 times a minute, each time a 29.0-nF capacitor is charged (by a battery in series with a resistor) to 0.632 of its full voltage
A super tanker with the mass of 3.36 × 109 kg is moving with a constant velocity. Its engines generate a forward thrust of 4.11 × 105 N. Determine (a) magnitude of the resistive force exerted on the tanker by the water and (b) magnitude of the upward..
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an elastic collision between two bodies in which the collision is not head-on. Projectile particle m1 is an alpha particle and target m2 is an oxygen nucleus. Find the initial speed of the alpha particle
Two wires of the same cross-sectional area and length, but made of different materials, are connected in series. what is the resistivity of the other material
Water flows through a fire hose of diameter 5.49 cm at a rate of 1.2 x10-2 m3/s. The fire hose ends in a nozzle of inner diameter 2.11 cm. What is the velocity with which the water exits the hose?
A 1 kg mass is moving in a circle of radius 1.8 m on a flat frictionless table at the end of a string. How much work did you do to reduce the radius by a factor of one-half
A system has three energy levels. The ground state is nondegenerate; however the first and second excited states, energies e1 and e2, respectively, have degeneracies of 3 and 2, respectively. Find the average energy at temperature T.
Bowling balls are roughly the same size, but come in a variety of weights. Given its official circumference of roughly 27.2 inches, calculate the heaviest bowling ball
A projectile is fired with an initial speed of 65.9 m/s at an angle of 37.8 degree above the horizontal on a long flat firing range. Determine the total horizontal distance covered (that is, the range)
An air parcel occupied by an ideal gas (T1 = 255 K, V1 = 1500m3, m1 = 1680 kg) collides and mixes with a second air parcel occupied by a second ideal gas (T2 = 280 K, V2 = 1200 m3, m2 = 1392 kg). Assuming the specific heat capacities of the gases ..
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